NEC PowerMate CT инструкция обслуживания

A Pow erful, V ersatil e Corpor ate PC P OWER M ATE ® CT SERVI CE AND REFERENCE MANUAL[...]

First Printin g — Augus t 2000 Copyri ght 2000 NEC Co mputers I nc. 15 Busi ness Park Way Sacrament o, CA 95828 All Rights Reserved Proprietary Notice and Liability Disclaimer The information disclosed in this docu ment, including all designs and r elated materials, is th e valuable property of NEC Comput ers Inc. (herein after “NECC ”) and/o[...]

Contents iii Contents Preface ........................................................................................................................ ..........ix Abbreviations.................................................................................................................. ...... xi 1 System Ov erview Configu ration ..............[...]

iv Contents Boot Menu ................................................................................................................ 2-22 Exit Menu ................................................................................................................. 2-22 Hard Drive Security .............................................................[...]

Contents v 3 1/2-Inch Internal Drives ................................................................................................ 3-26 Removing a 3 1/2- Inch Internal Driv e ...................................................................... 3-26 Installing a 3 1/2- Inch Internal Driv e ......................................................[...]

vi Con tents 7 Troubleshooting Checklist ...................................................................................................................... ...... 7-2 System Problem s......................................................................................................... 7-2 Diskette Drive Problems .............................[...]

Contents vii List of Figures PowerMate CT Minitower Front Features ......................................................................... 1-4 PowerMate CT Desktop Front Features ............................................................................. 1-4 PowerMate CT Min itower Rear Features .................................................[...]

viii Contents List of Tables PowerMate CT System Conf iguration ............................................................................... 1-3 System C omponents......................................................................................................... 1-12 Interrupt L evel Assignments ............................................[...]

Pr eface ix Preface This manual contains tec hnical information for servicin g a nd repairing the NEC Po werMate ® CT systems manufactured by NEC Computers Inc. Use this manual for NEC PowerMate CT computers assem bled in Europe. Check the reg ulatory sticker at the rear of the system to find the assembly location for the com puter. The manual con[...]

Abbreviations xi Aa m p e r e AC alternating current ACK ackno wle dge AGP accelerated graphics port AMR audio m odem ris er ASIC application-specific integrated circuit AT advanced techn ology (IBM PC) ATA AT attachment ATAPI AT attachment packet interf ace ATM async hr o no us tra nsfe r mode BBS Bull etin Boar d Servi ce BCD binary- coded decim [...]

xii Abbreviations IrDA Inf rared Data Associati on IRR Interru pt Requ est register ISA I ndustr y Sta ndar d Archi t ecture ISP int ernet service provider IRQ int errupt reques t K kilo (1024) k kilo (1000) KB kilobyte Kbps Ki lobits per s econd kg kilogr am kHz kilo hertz lb po und LAN local area netw ork LED lig ht-emitting diod e LDCM LANDe sk [...]

Abbreviations xiii UART unive rsal a s ynchr onou s receiver/transmitter UHF ultra hi gh fre que ncy UL Underw riter’s L aboratories UMA unified m emory architecture UPS u ninterru ptible power s upply URL uniform resource locator USB universal ser ia l bus Vv o l t Vac volts, alternating c urr ent VCR video cassette recorder Vdc volts, direct cu[...]

1 System Overview ! Configurations ! Features ! Components[...]

1-2 Overview This section provides an overview of the NEC PowerMate ® CT system . Included are descripti ons of the syst em’s ! hard ware c o nfi gurat i on ! front, back, and insi de features ! security features ! major com ponents ! soft ware. The system can be configured as a min itower or as a desk top to suit the user’s requ irements. Con[...]

Overview 1-3 Power Mate CT S yste m Co nfig ura tion Component Description System Board Gigabyte GA-6C X7 Pentium III Proc essor* 667-MHz or higher, 1 33-M Hz or higher FSB Pentium III L1 C ache 32 KB SRAM integrate d on pro cessor Pentium III L2 C ache 256 KB Pipeline B urst SRAM Processor Mount Socket 370 System RAM* 64 MB (minim um) to 512 M B o[...]

1-4 Overview Features The system f ront, back, and inside features are described in the following parag raphs. Also included are descriptions of system security features. Front Features The PowerMate CT syst em can be used as a minitower or as a des ktop. The following figures show the f eatures on th e front of th e system for both setu ps. Brief [...]

Overview 1-5 The system has th e follo wing devices, controls, and lam ps at the front of the system (see the above figu res for device, con trol, and lamp location s). ! Pow er/sleep butt on — press this butt on to turn on system pow er. To turn of f power, cl ose all applications, shut down Windows ® ; Windows 98 an d Windows 2000 autom atical[...]

1-6 Overview Pow er Ma te C T Min it o w e r Re ar Fe atu res A – AC Power Connec tor F – Locking T ab B – Monitor Pow er Socket G – Expansion Sl ots C – Power Supply H – System Board Connector s D – Keyboard/M ouse Anti-T heft Bracket I – Voltage Sw itch E – AGP Video Boar d Minitower Rear Connector Locations A – Keyboard C onn[...]

Overview 1-7 PowerMate CT Desktop Rear Features A – Pow er Supply F – System Boar d Connectors B – Keyboard/M ouse Anti-t heft Bracket G – Monitor Pow er Socket C – AGP Video Board H – Voltage Sw itch D – Locki ng Tab I – AC Power Conne ctor E – Expansion S lots Desktop Rear Connector Locations A – Mouse C onnector G – Line Ou[...]

1-8 Overview ! VGA monitor connector — attach a v ideo graphics array (VGA)-compatible monitor (NEC MultiSync ® monitor or o ther VG A-compatible monitor) with a 15-pin connector to the AGP connect or on the in stalled v ideo board. ! Monitor power s ocket — if a plug adapter is av ailable, connect the power cord f rom the monitor to the monit[...]

Overview 1-9 The inside of the system has the following features: ! system board — cont ains the Pen tium process or Socket 370 conn ector, tw o RIMM memory sockets, tw o IDE connectors, five PCI board conn ectors, an AGP board connector, an AMR board conn ector, diskette drive conn ector, system configu ration jumpers, internal signal an d power[...]

1-10 Overvi ew Software Feat ures NECC provides a variety of app licatio ns and hard ware utilities with the syste m to let you take advantage of the system hardware capab ilities. Preload ed Soft w are The sys tem comes preloaded w ith the Mi crosoft ® Win dows ® 98 operat ing system or the Window s 2000 /Windows NT ® oper ating s ystem c onfi [...]

Overview 1-11 Security Feature s The system h as hardware, software, and m echanical security features th at offer protection against unauthorized access to th e system and data. The following security features are available. Password Security The BIOS Setup Utilit y includes a feature t hat allows a user to set either a user or supervisor passw or[...]

1-12 Overvi ew Componen ts The major syst em components are listed in the following table, along with the page number where each com ponent is briefly described. System Components Component Go to Page System Board 1-12 System M emory 1-13 Diskette Drive 1-13 Hard Drive* 1-13 AGP Video Board* 1-13 Power Supply 1-13 Keyboard 1-13 Mouse 1-14 CD-ROM Dr[...]

Overview 1-13 System Memory The sys tem support s up to 512 M B of h igh- speed non-ECC or ECC RDRA M memory in two RIMM sock ets on the sys tem board. Su pported are 1 84-pin , PC800-MH z module s in 64-, 128-, an d 256- MB unbuff ered conf igurations . The RIMM modules can be installed in one or tw o sockets and can vary in size between sockets. [...]

1-14 Overvi ew Mouse The system ships with a PS/2-compatible mouse as standard equipment. The m ouse has a self- cleaning mechan ism that preven ts a buildup of dust or li nt around t he mouse ball an d tracking mech anism. The six- pin mouse cable connector plugs into the back of the system. Mouse specifi cations are given i n Sec t io n 9 , “Sp[...]

Overview 1-15 Modem Board Some sy stems come with a V.90 rate d 56-ki lobits per s econd (Kbps) PCI m odem board. The modem board allo ws the conn ection of a pho ne li ne to the s yste m for data communications funct ions. Network Board Some sy stems migh t come with a 10/100 netw ork board i nstal led in a PCI s lot. Specif ications for the ne tw[...]

2 System Configuration ! Interrupt Reque sts ! Jumper Settings ! BIOS Se tup Utili ty ! Hard Drive Security ! FLASH Utility ! Online Documentatio n ! Product Recov ery Program ! PowerMate Driv er CD ! Intel Pro cessor Serial Num ber Control Utility[...]

2-2 System Configuration This section pro vides i nformation for config urin g the system. The section i nclude s: ! system interrupt req uest (IRQ) ass ig nments ! syste m ju mper se tti ngs ! pro ced ures fo r usin g the P hoe nix ® T echnologies Ltd. BIOS Setup Utilit y to configure the sys tem ! description and procedures for us ing hard drive[...]

System Co nfiguratio n 2-3 Interrupt Level Assi gnments Interrupt Priority Interrupt Dev ice* IRQ08 System CMO S/real time clock IRQ09 Shared Resource: ACPI IRQ Holder for PCI IRQ Steering/Y AMAHA AC-X G Audio Device/Intel 82801AA SM Bus Controller/SC I IRQ used by ACPI bus IRQ10 Shared Resource: ACPI IRQ Holder for PCI IRQ Steering/ W infa st 3D S[...]

2-4 System Configuration Serial Port Interrupts The interru pts for s erial port 1 and s erial port 2 a re giv en in the f ollowing table. If serial port s share an interru pt, verify that hardware an d software added to the s ystem can sh are these interrupts without pro blems. Serial Port Int e rr upt s Port Interrupt COM1 IRQ04 COM2 IRQ03 COM3 I[...]

System Co nfiguratio n 2-5 System Board Jumper Block Loca tions A – CMOS C lear (JP4) F – BIOS Re covery ( J P5) B – Audio M odem Riser Se lect (JP11) G – USB Selection (JP 28) C – Rear USB Devi ce Wake up (J P3) H – USB Selecti on (JP27) D – PS/2 Keyboard Pow er On (JP16) I – Front USB W ake Up (JP21) E – Save to RAM (JP18) To pr[...]

2-6 System Configuration System Board Jumper B lock Settings Function Jumper Setting Description Rear USB Devic e Wa k e u p JP3 2-3 1-2 Factory sett ing. Enab les system wakeup v ia input from the rear USB port. Disables system w akeup via i nput fro m the rear USB port . PS/2 Keyboard at Power On JP16 2-3 1-2 Factory sett ing. Disa bles the key b[...]

System Co nfiguratio n 2-7 Maxtor EIDE Hard Drive Jumper Settings The factory settings for the jumpers on the Maxtor EIDE Ultra DMA/66 h ard drive are show n in the following table. The settings are for a si ngle hard d rive installed in the system as the master device. Specifications for the h ard drive are included in Section 9. Maxtor EIDE Hard [...]

2-8 System Configuration BIOS Setup Utilit y The Ph oe ni x ® Technologies Ltd. BIOS Set up Utility lets you config ure the main co mpo nents of the system. The utilit y is resident in the system F L ASH memory and doe s not r e q uire a diskette or an operatin g sys tem present to run. Your system ships from the factory with the correct sy stem p[...]

System Co nfiguratio n 2-9 How to Use Setup The Setup Utility has a Main Me nu window and six top-le vel menus with subme nus (see the above fi gure). The m enu bar at the top of the Main Menu window list s the following top-level menus . ! Main — Use the Main Menu for basic syst em configuration. For example, select Main to set th e system date,[...]

2-10 System Con fig uratio n Pre ss Esc to exit the current window. The follow ing subsecti ons describe t he six top l evel menu s and th eir submenus . Main Menu Choose the Main Menu by selecting Main in the legend bar o n the Main Menu screen. Other Main Menu options are available by s electing submenus. Use the arrow keys to s elect one of the [...]

System Co nfiguratio n 2-11 Main Menu Items Menu Item Settings (default is b old) Primary IDE Master Primary IDE Slave Secondary IDE M aster Secondary IDE Slave 10263 M B None CD-ROM None Note: The following sett ing informat ion app lie s to the primary and second ary master a nd slave device s. Each device menu it em displ ays the hard drive or C[...]

2-12 System Con fig uratio n Main Menu Items Menu Item Settings (default is b old) Multi-Sector T ransfers Disabled, 2, 4, 8, 16 sectors Determine s the number of sect ors per blo ck for m ulti-sector transfers. When Type is Auto, value in M ulti-Sector Tran sfers fi eld is auto-detected and fie ld is read o nly. LBA Mode Control Enabled , Dis able[...]

System Co nfiguratio n 2-13 Main Menu Items Menu Item Settings (default is b old) Keyboard auto-re peat delay 1/4 sec, 1/2 sec , 3/4 se c, 1 sec Selects delay before key repeat. Legacy USB Suppor t Disabled, Enable d Disables or e nables legacy U SB support. Boot-Time Di agnostic s Screen Disabled , Enabled Selecting Enab led di splays the diagnost[...]

2-14 System Con fig uratio n Advanced Menu Menu Item Settings (default is bold) Plug and Play OS No, Yes Select Y es if you are booting a Plug and Play capable operating syste m. Select No if you want the B IOS to configure non-boot devices. Reset Config uration Da ta No , Yes Select Yes if y ou want t o clear the Ex tended Sy stem Configurati on D[...]

System Co nfiguratio n 2-15 Advanced Menu Menu Item Settings (default is bold) Cache C800-C BFF Cache CC00-CFFF Cache D000-D 3FF Cache D400-D 7FF Cache D800-D BFF Cache DC00-DFFF Cache E000-E3 FF Disabled , Write Through, Write Protect, W rit e Back Setting at Di sabled proh ibits caching. Setting at W ri te Through permits w rites to be cached and[...]

2-16 System Con fig uratio n Advanced Menu Menu Item Settings (default is bold) Interrupt IRQ5, IRQ7 Selects the IR Q for the LPT port. Mode O utput Only, Bi- directiona l, ECP , EPP Selects paral lel port mode. DMA Channel DMA 3 , DMA 1 Sets the DM A channel for the para llel port. Floppy Di sk Contro ller Disab led, Enab led , Auto Setting at E n[...]

System Co nfiguratio n 2-17 Advanced Menu Menu Item Settings (default is bold) ECC Error Type SMI , SCI, None, NMI When a ECC error occurs, it generate s an interrupt . Select the type of i nterrupt to repor t: NMI Non-M askable SMI Sy stem Manage ment SCI System Contro l SERR Signal C ondition Multiple bit , Both, None, Single B it Select ECC erro[...]

2-18 System Con fig uratio n Advanced Menu Menu Item Settings (default is bold) Event Logging Enabled , Dis abled Selecting Enab led per mits lo gging of D MI ev ents. ECC Event Logg ing Enabled , Disable d Select Enabled to allow logging of EC C even ts. Mark DM I Events As Read Press Ente r . Select Yes or No t o “M ark all Events as read?” P[...]

System Co nfiguratio n 2-19 Security Menu Items Menu Item Settings (default is bold) Set Supervisor Pa ssword Press Ente r to acce ss. Use this f ield to set or change th e supervi sor passw ord. Press Ente r to bring up a dialog b ox where the p assw ord can be entere d and c onfirmed. Set User Passw ord Press Ente r to acce ss. Use this f ield to[...]

2-20 System Con fig uratio n Secu rity Men u I tems Menu Item Settings (default is bold) Assign HDD Pa ss word Press Ente r to access the A ssign HDD Passw ord Mode. Controls a ccess to t he syste m’s hard drive by a ssigning master and u ser passw ords. See “Hard D rive Secu rity” later in this secti on for inf ormation an d procedure s for [...]

System Co nfiguratio n 2-21 Power Menu Settings Menu Item Settings (d efault is b old) Resume On Time Off, On Setting to On allow s the user to set th e Resume T ime field to a ti me when th e syst em is to w ake up. Resume T ime 00:00:00 W hen Res ume on Ti me is se t to On , th e use r ca n spec ify the time the syste m is to wake up. Resume Date[...]

2-22 System Con fig uratio n Boot Menu Choose the Boot Menu by selecting Bo o t in the legend bar on the Main Menu screen. Other Boot Menu options are av ailable by selecting submenus. Use the arrow keys to select one of the Boot Menu option s and press Enter to select a submenu. Items with grayed- out text are not available. Explanations of each B[...]

System Co nfiguratio n 2-23 Hard Drive Securi ty The NEC Po werMate CT system allows establis hing password pro tection for the internal hard drive. Hard disk drive (HDD) passw ord protection restricts access to the drive only if th e dr ive is removed f rom the PowerMate CT system an d installed in an other system. The system does not prompt you t[...]

2-24 System Con fig uratio n 3. Highl ight Assign HDD Password and press Enter . ! If you enter the current master passw ord, you are prom pted to enter a new mas ter passw ord. ! If you enter the current user passw ord, you are prompted to enter th e new user passw ord. ! If you d o not want to estab lis h a new mast e r or user p a ssword , pr es[...]

System Co nfiguratio n 2-25 FLASH Utility The system BIOS resides on a flash read only memory (ROM) chip in y our system. The FLASH ROM can be u pdated using th e following procedu re. Before starti ng th e BIOS update, NECC recommends that you first contact NECC for assistance (see Section 8 f or contact information). Update the FLASH ROM with a B[...]

2-26 System Con fig uratio n ! Solvi ng P ro b le ms Provides a tr o ubleshooting guide, with categories i ncluding — Problems After the Syste m Has Been Runnin g Correctly — Problems at Initial Syste m Start-up — Problems Running Ne w Applicatio n Software — Problems Operating Add-in Cards — Problem s and Sug gestions and Beep Codes an d[...]

System Co nfiguratio n 2-27 Using the Recovery P rogram The Recovery Program main m enu offers the f ollowing opt ions: ! Standard Syste m Restore – select this optio n to restore your syste m to its o r iginal factory softw are and settings . ! Advanced Options – select this o p tion to only install the Microsoft Windo ws operating sys tem . ![...]

2-28 System Con fig uratio n Advanced Options are as follows: ! Reinstall Wi nd o ws Only This process form ats the hard drive and perf orms a new installation of th e Windows operating system with t he minimum settings. All data, inc ludi ng your personal file s, ar e permanent ly delete d. Before you begi n this proces s, back up you r data files[...]

System Co nfiguratio n 2-29 Software Restore or Rem oval Select the Software tab on the m ain menu to restore or rem ove specific applications: ! Click on one or m ore program s to select them. Smart Restore in dicates a selected program with a g reen check mark in front of it. Des elect a selected program by dou ble clicking it. ! Click on the Sel[...]

2-30 System Con fig uratio n The follo wing information describ es: ! syst em requirem ents ! installation proced ures ! processor serial num ber features ! Freq uentl y A sked Q uesti o ns ! technical support. System Requirem ents The Intel Pro cessor Serial Number Control Utilit y requires: ! a Pentium III process or-based sy stem ! Window s 98, [...]

System Co nfiguratio n 2-31 What is t he default state o f the proc essor s erial nu mber? The default state of the processo r serial number is on, until t he P rocessor Serial Nu mber Con tr o l Utility is installed . Once the Processor Ser ial Nu mber Control Utilit y is installed, it turn s the processor ser ial number off by default. You can us[...]

3 Disassembly and Reassembl y ! System Cov ers ! Expansion Board s ! RIMM Memory Modules ! Processor ! 5 1/4-In ch A ccessible Drives ! 3 1/2-In ch A ccessible Drives ! 3 1/2-In ch In ternal D riv es ! CMOS Battery ! System Board ! Power Supply ! Front USB Port ! Front LED/Sw itch Bra cket ! Chassis Intru sion Sw itch ! Minitower and De sktop Se tu[...]

3-2 Disassemb ly and Reasse mb ly This section con tains step-by-step dis assembly procedures f or the PowerMate CT system. A disassembl y figure is provided with most procedures. Fo r an illustra ted parts breakdo wn and parts list, see Sectio n 5, “Illustrated Parts B reakdown.” For complete disasse mbly of the syste m, follow the disasse mbl[...]

Disassembl y and Reas sembly 3-3 On completion of any reas sembly, perform a pow er-on test. If a fault occurs, verify that the reassem bly was performed correct ly . System Covers The following sections des cribe how to remove and replace th e following system unit cov ers: ! sys tem cover ! front panel. Removing the Cove r Before installing op ti[...]

3-4 Disassemb ly and Reasse mb ly Removing the Cover Replacing the Co ver Replace the cover as follo ws. Ensure that all cable s inside t he cha ssis are po sition ed to preven t crimping, abr asion, or cutting w hile ins talling the cover. C heck that t he ribbon cables ar e folded along their fo ld lines a nd out of the direct p ath of the c over[...]

Disassembl y and Reas sembly 3-5 4. Firmly press the cov er against the chassis and slide th e cover towards the front of the chassis until it locks in place. Note If the cover does not sl ide all the w ay to th e front of the chassi s, ch eck that th e cover tabs at the fro nt of the cover are pr operly i nserted int o their slot s in the chassis [...]

3-6 Disassemb ly and Reasse mb ly Replacing the Front Panel Replace the front panel as follo ws. 1. Align the three tabs ( B ) on the insi de edge of the front panel with their correspon ding sl ots ( A ) on the low er edge of the chassis (see the f ollowing figure). 2. Insert the tabs into their slots and pres s the front panel up against the ch a[...]

Disassembl y and Reas sembly 3-7 Locating Expansion Board Slots and Connectors A – PCI Ex pansion Board C onnector s C – AGP Board Co nnector B – PCI Expansion B oard Slots D – AMR Board C onnector Removing the Re tainer Bar Expansion boards an d slot covers are held in place by a retain er bar. Remove the retainer bar before rem oving or r[...]

3-8 Disassemb ly and Reasse mb ly Removing an Expan sion Board Remo ve an e xpa ns ion b oa r d as fo llo ws. 1. Remove the cover (see “Rem oving the Cover” earlier in this s ection). 2. Label and un plug any cables conn ected to the board. 3. Remove the retainer bar (s ee “Removing the Retainer Bar”). 4. Pull t he board out of the conn ect[...]

Disassembl y and Reas sembly 3-9 Installing a Slot Cover Install a slot cover as follows. 1. Slide the slot cover into the expa n sion board slot (see the follo wing figure). Make sure the narrow ed end of the s lot cover goes into the m etal strap. Its top edge s hould fit around th e raised hole in the edge of the chassis . 2. Replace the expansi[...]

3-10 Disassemb ly and Re assembly Installing an Exp ansion Board Install an expansio n bo ard as follo ws. 1. Remove the cover (see “Rem oving the Cover” earlier in this s ection). 2. Follow any preinstallat io n i nstructions that come with the expansion board ( such as setting jumpers on the board). 3. Remove the retainer bar th at secures th[...]

Disassembl y and Reas sembly 3-11 Replacing the R etainer Bar Install the retainer bar as follows. 1. Hold the retainer bar at an angle and insert th e ends ( A ) into the slots ( B ) in the chassis (see the following figure). 2. Push the bar into th e slots and under th e edge of the chassis. 3. Press dow n on th e lock tabs ( C ) and fir mly push[...]

3-12 Disassemb ly and Re assembly RIMM Memory Modules See the following sections for procedures on removing or installing a RIMM memory module or a continu ity module. See S ection 4, “Sys tem Boards,” for R IMM module upgrade paths an d guidel i ne s for se l e cti n g RIMM mod ules. Removing a RIMM or Continuity Module Remove a RIMM mod ule o[...]

Disassembl y and Reas sembly 3-13 Ensure that bot h RIMM sockets are filled w ith two RIM M modules or one RIMM module and one con tinuity mo dule. If both sock ets are not filled, syste m memory won’t work w ell or at all. Removing a Continuity Module A – Plastic C lip (2) B – Continuity M odule Removing a RIMM Module A – Plastic C lip (2)[...]

3-14 Disassemb ly and Re assembly Installing a RIMM or Continuity Module Install a RIMM module or a conti nuit y module as follows. 1. Remove the cover (see “Rem oving the Cover” earlier in this section). 2. If you need to remove a currently installed RIMM or continui ty module, see “Removing a RIMM or Continuit y Module” earlier in this se[...]

Disassembl y and Reas sembly 3-15 Installing a RIMM Module A – RIMM Module C – Plastic Clip (2) B – Notches Installing a Continuity Module A – Continuity Module C – Plastic Clip (2) B – Notches[...]

3-16 Disassemb ly and Re assembly Processor The sys tem board has a S ocket 370 for m o unting a C eleron or Pentium III processor. Incorrect installati on of the processor and heat si nk ca n damage th e processor, sy stem boar d, or bot h. Carefully follow the instal lation i nstruction s prov ided with th e upgrade proce ssor and the procedures [...]

Disassembl y and Reas sembly 3-17 Removing the Fan, Heat Sink, and Processor A – Heat Sink D – Processor B – Retention Clip E – Retent ion Clip Fla nge C – Locki ng Lever Installing an Upgrade Processor Install the upgrade process or as follows. 1. Remove the proces sor currently in the sys tem (see “Removing the Processor” in th e pr[...]

3-18 Disassemb ly and Re assembly 5. Install a replacem ent heat sink and fan as follows and in accordan ce with the procedures contained in th e heat sink kit. ! If the kit includes a thermal pad, center it o n top of the processor. ! Align th e heat sink and fan assem bly with the processor and set it down on the processor (see the prev ious fig [...]

Disassembl y and Reas sembly 3-19 Removing or Replacing a Bay Cover If th e system has an empty 5 1/ 4-in ch device bay, it is covered wi th a special bay cover. This cover phy sically protects the insi de of the chassis, and its metal shielding also offers EMF protection. See the foll owing sect ions for informat ion on removi ng or replacin g a b[...]

3-20 Disassemb ly and Re assembly Replacing a Bay Cover Replace a bay cover on a bay as f ollows. Note Place unused rai ls bac k in the em pty bay be fore attempti ng to rep lace a bay cover. T he bay cover c annot be se cured ov er the bay if the rails are abse nt. 1. If necessary, pu t the rails back in the bay. The cover can not be secured if th[...]

Disassembl y and Reas sembly 3-21 Storing an Unused Rail A – Front of Ch assis C – Tab at En d of Rail B – Device Rail 2. Press the rail against the wall of the bay with your thumb and press the tab toward the center of th e bay with y our forefing er. 3. Still pressin g the tab, slid e t he rail into the bay along the guides u ntil i ts tab [...]

3-22 Disassemb ly and Re assembly Removing a 5 1/4- Inch Acce ssible Device 1. Remove t he system un it cover and f ront pan el (see “Rem oving the Cover” an d “Removing the Front Panel”). Before removin g the cover, turn off sy stem pow er and unplug the system pow er cable. Power is re moved only when th e power ca ble is unplugged. 2. Ta[...]

Disassembl y and Reas sembly 3-23 Installing a 5 1/4-Inch A ccessible D evice Note Install rail s on the new device b efore att empting to insert t he new device i n the syst em. Use the rai ls from the old dev ice or the e mpty bay . 1. Remove t he system un it cover and f ront pan el (see “Rem oving the Cover” an d “Removing the Front Panel[...]

3-24 Disassemb ly and Re assembly 3 1/2-Inch Accessi ble Devices The 3 1/2-in ch accessible devices in th e system are housed in a tw o-device bracket. The bracket installs in the lowest bay of the accessible device cage, much like a 5 1/4- inch accessible device. This applies eq ually to the desktop or minitower configuration. The following sectio[...]

Disassembl y and Reas sembly 3-25 The 3 1/2-Inch Accessible Device Bra cket A – Side T abs on Bracket Cover C – Best Approach for B – Drive Screw s (two of fo ur) Unlatching Sid e Tabs 7. Slide the device out th e front of the bracket. 8. If you are installing another 3 1/2- inch accessible devi ce, see “Installing a 3 1/2- Inch Accessible [...]

3-26 Disassemb ly and Re assembly 4. Secure the new devi ce to the bracket with four screws , two to a side (see th e figure “The 3 1/2-inch accessible device bracket” in the prev ious section). 5. Press the bracket cov er over the front shield s o the two side tabs click into place (see th e figure “The 3 1/2-in ch accessible dev ice bracket[...]

Disassembl y and Reas sembly 3-27 Locating Internal Drive Bracket Screws A – Screw s 5. Slide the bracket back about one quarter inch. The tabs on the bracket should s lide out of the guides on the side of the accessi ble device cage (see the following figure). Sliding the Inter nal Dr ive Bracket out of the Chassis A – Guide B – Tab (one of [...]

3-28 Disassemb ly and Re assembly Locating Internal Drive Screws on the Bracket A – Screw s (2 of 4) C – Screws (al l on one si de) B – Screw Holes (2 o f 4) 7. Slide the device out th e front of the bracket. 8. If you are in stalling a new 3 1/2- inch internal drive, see “Ins talling a 3 1/2-Inch Intern al Drive.” If y ou are not install[...]

Disassembl y and Reas sembly 3-29 Locating Guides for the Internal Drive Bracket 5. Support the brack et within the chassis while you replace the s crews at the front of the chassis. Securing the Internal Drive Bracket A – Screw s 6. Reconnect the power an d signal cables for all devi ces in the drive bracket. 7. Replace the front pan el (see “[...]

3-30 Disassemb ly and Re assembly CMOS Battery The system board uses a CMOS b a tter y to maintain system configuration in for mation. The battery is a coin-cell batter y mounted on t he system board ( see the follo wing figure). If it fails to maintain system configu ration information, replace it with an identically rated battery from the same m [...]

Disassembl y and Reas sembly 3-31 Removing the Battery A – Battery B – Clip 6. With the positive (+) side o f the new battery facing up, press the batter y into the socket. 7. Replace the system cover (see “Replacing the Cover”). 8. Connect ex ternal peripherals and power cables, an d power up th e system. 9. Run the Setup Utilit y to r eco[...]

3-32 Disassemb ly and Re assembly Locating System Board Screws A – System Board Screws 5. Ensur ing you d o not t o uch a ny co mpo ne nts, car e full y lift the s yste m boa rd o ut of t he chassis. 6. If you are discarding the board, fi rst rem ove useable memory modules, the proces sor, or cables, as appropriate. 7. Set the system board aside [...]

Disassembl y and Reas sembly 3-33 Power Supply Remove t he power su pply as f ollows. Before removin g the syst em cov er, turn off th e power an d unplug the system pow er cable. Power is re moved only when th e power ca ble is unplugged. 1. Turn off the system and any connected peripherals . 2. Unplug the syst em AC power cord an d any peri phera[...]

3-34 Disassemb ly and Re assembly Front USB Port Remove the front U SB por t using the se step s. 1. Remove t he system un it cover and f ront pan el (see “Rem oving the Cover” an d “Removing the Front Panel”). 2. Disconnect the f ront USB port cable from its header on the system board. 3. Remove the two screws t hat secure the USB por t to[...]

Disassembl y and Reas sembly 3-35 Releasing the Front LED/Switch Bracket A – Front LED/Sw itch Bracket 4. Open the LED/switch bracket toward the left. On ce the right tabs are free, th e hooked left tabs can be f reed. Removing the Front LED/Switch Bracket 5. Gently feed the L ED/switch cable assembly through the cutout in the front of the chassi[...]

3-36 Disassemb ly and Re assembly Chassis Intrusio n Switc h If installed, rem ove the chassis intrusion switch from the rear edge of the chassis using these steps. 1. Remove the cover (see “R emoving the C over”). 2. Disconnect the chassis intrusion switch cable from its header on the system board. 3. Press together t he tabs that hold the cha[...]

Disassembl y and Reas sembly 3-37 Minito wer a nd Desk top Setu p The system ships as a minitower and can be recon figured as a desktop or, if a desktop, it can be reconfigured back to a minitower. The accessible devices in the syste m can be positioned so they are upright for the minitower o rientation or for the desktop orientation. The follow in[...]

3-38 Disassemb ly and Re assembly Accessible Device Placement for a Desktop A – 5 1/4-In ch Bays on T op B – 3 1/2-Inch Bracket i n Lowest Bay 8. Remove the logo plate b y unclipping its tabs fro m inside the front panel. Positio n the logo plate so it is readable when the chassis is in the horizontal position. P r ess t he tabs into the front [...]

Disassembl y and Reas sembly 3-39 6. Replace all devices, cov ers, and rails in the accessible dev ice cage so they sit sideways in the drive cage, w ith their top surfaces toward the right end of the chassis (see the f ollowing figure). Place them in the same order they were in bef ore. See the following sections for the procedures. ! “Stori ng [...]

3-40 Disassemb ly and Re assembly Chassis Shell Note The chassis s hell (th e U-shape d covering w ith rubber feet on tw o sides) s hould o nly be removed by authorized service per sonnel. No repla ceable part s are acce ssed fro m this panel , and it shoul d only be removed i f it i s being repl aced du e to damage . The chassis sh ell is secured [...]

4 System Board ! External Cable Conne ctors ! Internal Cable Conne ctors ! Jumper Settings ! Upgrade Sockets ! Components ! Resources[...]

4-2 System Bo ard This section desc ribes the locations of conn ectors, jumpers, and s ockets on the syst em board, including any extern al cable connectors, in ternal board connectors and s lots, jumper locations, and upgrade s ockets. Included in this section are procedures f or setting jumpers on the sys tem board and a RIMM memory upgrade path [...]

System Bo ard 4-3 Desktop External Cable Connector Locations A – Mouse C onnector G – Line Out B – Parallel Port H – Serial Port 2 C – MID I/Game Port I – Serial Port 1 D – VGA Connector ( on vide o board) J – USB Port E – Microphon e In K – Keyboard Port F – Line In Internal Cable Co nnectors Locations of the in ternal cable [...]

4-4 System Bo ard Jumper Settings The follow ing sections provide th e names and locati ons of jum pers on the sy stem board, and provides in structions on changing a jumper setting . Locating System Bo ard Jumpers The following figure s hows the locations of the jumpers on the sys tem board. System Board Jumper Locations A – CMOS C lear (JP4) F [...]

System Bo ard 4-5 3. Locate the jumper on th e system board (see the precedin g figure, “Sy stem Board J umper Locations”). 4. Remove any subas semblies blocking access to the jum per (see Section 3, “Disassem bly and Reassembly,” f or procedures). 5. Change the jum per setting by moving the jumper to or from the pins as in dicated in the j[...]

4-6 System Bo ard Processor So cket The process or instal ls in a 370-pi n Socket 370 on t he sys tem board. The process or is hel d in place in the socket by a lock ing lever attached to the socket and a remova ble retention clip. The retention clip anchors bot h the processor an d the process or heat sink to the Socket 370. To remove or ins tall [...]

System Bo ard 4-7 Checking Syst em Memory If you do not kn ow how much mem ory is inst alled in the sy stem, check the amount by using the followi ng procedure. 1. On the Win dows deskt op, point to My Computer , and click the right mou se b utto n. 2. With the left mouse button, clic k Properties . Click the General tab to d isplay the random acce[...]

4-8 System Bo ard — serial dev ices throug h two buf fered 16C550 UA RT serial ports , support ing u p to 115.2 KB pe r second — two U SB devices — jo ystick t hro ugh t he MID I/game po rt — speaker and m icrophone conn ectors (line in, line out, m icrophone in). The following table lists the major componen ts on the system board. System B[...]

System Bo ard 4-9 System Board Components Component Function Winbond Super I/O W 83627HF- AW c o nt r o ll e r The controller support s the follow ing: Industry-sta ndard fl oppy contro ller Multimode paralle l port Centron ics compati ble (standar d mode) Enhan ced capab ilitie s port (ECP) Enhan ced paralle l port (EPP) Two RS-232C serial ports T[...]

4-10 System Board The FLASH ROM allows the syste m and video BIOS to be upgraded with the BIOS Upd ate Utility, without havin g to p hysically remove the ROM (see Section 2 for further in for mation on the BIOS Update Utility). The FLASH ROM supports th e reprogramming of the system BIOS and th e video BIOS. System Memory The sys tem comes with bet[...]

System Bo ard 4-11 Parallel Port Addresses Starting I/O Address Port 378 LPT1 278 LPT1 3BC LPT1 378 LPT2 278 LPT2 3BC LPT2 Parallel interface signals are output through th e system board’ s 25-pin, D- subconnector. The connector is located at th e back of the system unit. Serial Interface The sys tem has tw o 16C550 UAR T compati ble serial ports[...]

4-12 System Board USB Interface The Univ ersal Serial Bu s (USB) ports al low plug and play s erial devi ces to be added wi thout having to open the system. One USB device can be plu gged into each USB port for direct system connection. Wit h a hub and th e proper cabling, up to 127 USB devices per port can be addressed by th e system. The USB dete[...]

System Bo ard 4-13 Resources The system memory map, I/O addresses, and DMA s ettings are given in the following sections. System interrupt setti ngs, parallel interrupt set tings, and serial interrupt setti ngs are included in Section 2, “Syste m Configuration.” Memory Map The system memory map is s ho wn in the following table. System Memory M[...]

4-14 System Board I/O Ad dress Ma p Address (H ex) I/O Device N ame 00C0-00DF DMA control ler 00F0-00FE Numeric d ata process or 0170-0177 Secondary IDE ch annel/I ntel 82801AA Bu s M aster IDE controll er 01F0-01F7 Primary IDE chan nel/Inte l 82801AA Bus M aster IDE controll er 0200-0207 Gamepor t/Joyst ick 02F8-02FF Communi cations Port (CO M2) 0[...]

System Bo ard 4-15 DMA Settings The system’s DMA settings are given in the f ollowing table. DMA Setti ngs DMA Setting Device 0 Availabl e 1 Availabl e 2 Standard Fl oppy Disk Co ntroller 3 ECP Printer Port (LPT 1) 4 Direct me mory acce ss con t rol ler 5 Availabl e 6 Availabl e 7 Availabl e[...]

5 Illustrated Parts Breakdow n ! Ordering Parts ! Field Replaceable Units ! Illustra ted Parts Bre akdown[...]

5-2 Illustrated Parts Breakdown This section contain s the illu strated parts b reakdown (IPB) and NECC p a r t d escriptions for the PowerMate CT sy stem. The follo wing tables list ! teleph one numbers for orderin g syst em parts and option s ! field-replaceable parts for the system. The PowerMate CT system illustrated parts break down figure is [...]

Illustrated Parts B reakdow n 5-3 PowerMate CT System FRUs Item Description 14 I/O Shield 15* 8-MB AGP 4x nVanta Video Bo ard 32-MB AG P 4x nVanta Gforce V ideo Board 32-MB AG P 4x nVanta TnT 2 Pro Video Board 16* 3Com PCI 3C905C 1 0/100 TX -M Netw ork Board Intel PCI Pro 1 00+ 10/100 Netw ork Board (w ith W OL) Accton PCI 10/10 0 TX 4 or TX5 Netw [...]

5-4 Illustrated Parts Breakdown Illustrated Par ts Breakdown The following figure sh ows the illustrated parts breakdown (IPB) for the PowerMate C T system. Each FRU on the IPB is identified with a number that cross-re ferences to the FRU list. PowerMate CT System Illustrated Parts Breakdown[...]

6 Preventive Maintenance ! System Cleaning ! Keyboard Cleaning ! Mouse Cleaning[...]

6-2 Preven tive Maintenan ce This section con tains general information for cleaning and checking the sys tem, keyboard, and monitor. The system un it, keyboard, and mon itor require cleaning and ch ecking at least once a year, and more oft en if operati ng in a du sty environm ent. No oth er schedul ed maintenan ce is required. Unplug all power co[...]

Pr even tive Mai nte nan ce 6-3 Mouse Cleaning The mouse has a self-cleaning mechanism that prevents a bu ildup of dust or lint aroun d the mouse ball and track ing mechanism under norm al conditions. Periodically, however, the m ouse ball must be cleaned. Us e the following procedure to clean the m ouse. Note The following procedure de scribe s th[...]

7 Troubleshooting ! Checklis t ! Diagnostics[...]

7-2 Troubleshooting This section pro vides i nformation to help iso late and repair system malfunctions at the field level. The system has a built- in program that automatically checks its compon ents when the system is powered on . If there i s a problem , the syst em displays an error mess age. If th is happens , follow any instructions on the sc[...]

Troubleshooting 7-3 ! Syste m perfor mance appears sl uggish. Check that the syste m is set for opti mal operation. See the operatin g system documentatio n. Check the memor y require ments o f the software applicatio ns. If required, install additional RIMM memory (see Section 4, “Syste m Board,” information on installi ng memory). If optional[...]

7-4 Troubleshooting ! Distorted image appears on the monitor screen. Adjust t he mo nitor ’s vid eo c o ntro ls. If this does not help, turn the mo nitor off for several seconds, the n back on. ! There is constant m ovement on the screen. A ma gne tic field is a ffec t i ng th e mo nitor . Mo ve an y devi c es ( fan, moto r , ano ther monit o r) [...]

Troubleshooting 7-5 ! The CD does not eject due to a power failure or sof tware error. Insert the end of a paper clip into the CD -ROM e mergency eject hole. Press in ward o n the clip to open th e CD-RO M door. ! The CD-ROM drive plays m usic CDs but t he sound is not hea rd. Check that the speaker pow er is on (see “ Speaker Problems”). If th[...]

7-6 Troubleshooting Diagnostics One beep indicates that the sy stem has completed its POST test. If intermittent beeping occurs, power off the system and try again. If the beeping persists , see the following table. The table summarizes problems that may dev elop durin g system operation an d lists (in sequ ential order) suggested correctiv e actio[...]

Troubleshooting 7-7 Problems and Solutions Problem Symptom Solution Operating sy stem does not boot (cont’d) System halt s during loadin g sequence. 1. P ower the sy stem off. Check for proper jumper setti ngs (see Se ction 2), then power-on t he system. 2. Chec k the condi tion of t he selecte d bootl oad device (dis kette, d isc, or hard disk) [...]

7-8 Troubleshooting Problems and Solutions Problem Symptom Solution Keyboard or mouse malfunction Monitor has prompt, but cannot input data us ing keyboard or mouse. 1. Chec k keyboard/ mouse plu gged in. 2. Clean mouse 3. Chec k password (s ee Secti on 2). 4. Disab le passw ord (see Sect ion 2). 5. Repla ce keyboar d (or mouse). 6. Repla ce syste [...]

Troubleshooting 7-9 Problems and Solutions Problem Symptom Solution CD-ROM drive malfunction (cont’d) No sound fr om CDs. 1. Chec k that spea ker pow er is on and v olume is adj ust ed. 2. Chec k audio sof tware sett ings. 3. Check th e CD. 4. Chec k the CD-R OM drive audi o cable connect ions. 5. Chec k the CD-R OM drive audi o cable. Replace a [...]

8 NECC Information Services ! Service Telephone Numbers ! Technical Support[...]

8-2 NECC Informat ion Servic es This secti on contains the follow ing NECC serv ice and support i nformati on: ! servi ce and support telephon e num bers ! technical support. Service Telephone Numbers The follow ing tabl e lists the tel ephone numbers for the NECC service and su pport fun ctions. NECC Service and Support Telephone Numbers Service T[...]

NECC Information Service s 8-3 NECC FTP Site You can use the In ternet to access the NECC FTP (file transf er protocol) site to downl oad various files (video d rivers, printer drivers, B I OS upd ates, and Setup Disk files). T he files are essentially the sa me as on the NECC website. To access the NECC FTP site, enter the following In ternet ftp [...]

9 Specifications ! System Board ! Keyboard ! Mouse ! Speakers ! System Unit ! Hard Drives ! Diskette Drive ! CD-ROM Drives ! CD-RW Drive ! DVD-ROM Drives ! Zip Drive ! Modem Boards ! Network Board s ! ATX Power Supply ! Environmental and Safety ! Compliance[...]

9-2 Specifications This section cont ains the specifications for the various compon ents comprising the PowerMate CT systems. The following table lists the specifications and the pages where the specifications can be foun d. System Specifications Specification Go to Page System board 9-2 Keyboard 9-3 Mouse 9-3 Speakers 9-4 System Unit 9-4 Hard driv[...]

Specifi cations 9-3 System Board Specifications Feature Specification Chip Set Intel 820 with 8282 0 M emory Controller Hub , 82801AA I /O Controller Hub , 82802AA Firmw are Hub, Aud io-Codec 9 7 Controller, a nd System M anageabil ity Bus I/O Controller Winbond W83627HF-A W Super I/O controll er System M emory 64 MB to 512 M B in two R IMM socket [...]

9-4 Specifications Speaker Specificatio ns The specifications for th e optional speaker set are included in the f ollowing table. Speaker Specifications Feature Specification Speakers NEC Features Magnetical ly shield ed 10-w att stereo s peakers 15-volt AC pow er adapter Performance Freque ncy respon se, 90-2 0 kHz, 2 dB Sensitivity , 300 mV Outpu[...]

Specifi cations 9-5 Hard Drive Speci fications Syst ems come w ith a 10-GB or h igher Ult ra DMA/66 h ard drive capable of 5,400 or h ighe r rotations per mi nute (RPM). The specifications for typical hard drives are provided in the following tables. Quantum Hard Drive Specifications Feature Specification Hard Drive 10.2 GB Features Ultra ATA/66 In[...]

9-6 Specifications Maxtor 5,400 RPM Hard Drive Specifications Feature Specification Model 15.4 MB — 31536U 2 20.5 MB — 32049U 3 30.7 MB — 33073U 34 Heads/Dis ks 15.4 MB 20.5 MB 30.7 MB 2/1 3/2 4/2 Seek Times (ty pical) Trac k t o Tr ack Average Ma xi mu m 1 ms < 9.5 ms < 20 ms Average Laten cy 5.55 ms Rotation Speed 5,400 Data Transfer [...]

Specifi cations 9-7 Maxtor 7,200 RPM Hard Drive Specifications Feature Specification Model 20.5 MB — 52049U 4 30.7 MB — 53073U 6 Heads/Dis ks 4/2 Seek Times (ty pical) Trac k t o Tr ack Average Ma xi mu m 1 ms < 9.0 ms < 20 ms Average Laten cy 4.17 ms Rotation Speed 7,200 Data Transfer Rates to/from interfa ce to/from media up to 66.7 M B[...]

9-8 Specifications Diskette Drive Specificati ons Specifications for a typical diskette drive are in cluded in the following table. Diskette Drive Specif ications Feature Specification* Recording Ca pacity High density mod e: Unformatte d: 2.00/1.00 M B Formatted : 144 0 KB (512B 18 Sec ) 720 KB (256B 18 S ec) Normal density mode: Unformatte d: 1.0[...]

Specifi cations 9-9 CD-RW Drive Spec ifications The specifications f or the 8x4x32x CD-RW driv e are included in the following table. CD-RW Drive Specif ications Feature Specification* CD-R W Drive NEC Write/Read Sp eeds: Wr i t e Write/Read Read 2x, 4x , 8x 2x, 4x 32x Data Transfer Rate M ax, 4,800 KB/sec Access T ime 100 ms Buffer Size 2 M B Inte[...]

9-10 Specifications DVD-ROM Dri ve Specifications Feature Specification* Humidity 15% to 85 % relative h umidity (Operating) 10% to 90% rel ative humi dity (Non- operating) Weight 1 Kg (2.2 lb.) Dimensio ns 146 mm wide, 41.3 mm high, 190 mm depth *Specificat i ons may vary by model. Zip Drive Speci fications The specificat ions for th e 250-MB Z ip[...]

Specifi cations 9-11 Modem Board Sp ecificatio ns The specifications f or a typical optional modem board are in cluded in the following table. Modem Board Specifications Feature Specification* Modem Board 3Com V.90 Data (max imum speed) V90 ITU 56 Kbp s ITU-T V.23 ITU-T V.34+ IT U-T V.22bis ITU-T V.34 ITU -T V.22 ITU-T V.32bis Bell 212A ITU-T V.32 [...]

9-12 Specifications Intel PRO 100+ WOL Network Board Spec ifications Feature Specification Topology 10Base-T, 100Ba se-TX Bus PCI 2.2 Network M anagement ACPI Support Wake on LAN Intel PRO/100 Boot Age nt Data Rates 10/100 M bps Onboard M emory 6 KB cache Data Transfer M ode Bus-master DM A Controller Intel 82559 Power Requirem ent .67 W atts @+ 5V[...]

Specifi cations 9-13 Compliance The system meets the compliance standards lis ted in the following table. System Compliance Usage Standard Domestic FCC CFR 47 Part 15, S ubpart B UL 1950 3rd edition Canadian C-UL C22.2 N o. 950- 95 ICES-003 Issu e 2, Rev ision 1 European CD EMC D irective 89/336 EEC EN55022:199 3 Class B EN50082-1:19 97 CD LVD Dire[...]

Glossa ry 1 Glossary A access time The time period betw een the supply of an access signal and the ou tput or acceptance of the data by the addres sed system . Examples are the access times f or DRAMs, SRAMs, hard drives, and C D-ROM drives. Hard drive access time is the time it takes for a compu ter to get data from the driv e. A hard drive with a[...]

2 Glossary APM Advanced Pow er Managemen t. An API developed by Intel and Microsoft th at allows deve l ope rs to includ e po wer ma na ge ment i n t he BI OS. AP M de fine s a la ye r be twee n the hardware an d the operating system th at effectively shields the programm er from hardw are details. application programs Softwa re designed t o perfor[...]

Glossa ry 3 B bad sector Part of a h ard drive or diskett e drive st orage medium that doesn’t hold data. Form atting generally detects and marks these areas s o they won’t be used. Certain u tility programs do, too, and it is a good idea to run th is type of utility occasionally to prevent data los s if the condition of the drive changes. band[...]

4 Glossary bitmap Any occurren ce where a single location in mem ory and a single pixe l correspond. Usu ally applies to screen or p rinter output. .BMP files are bitmapped graphics files. bits per secon d (bps) A unit of transmissio n. Al so called baud rate. block A contiguous section of bits considered as a w hole, especially in mem ory. On a di[...]

Glossa ry 5 bus A parallel electrical pathway on the system board, conn ecting and shared by the parts of a computer sy stem (especi ally the CPU, its support circu itry, m emory, and expans ion cards), used for transmitting data or electrical po wer f rom one device to another. Typicall y the lines in a bus are dedicated to s pecific fun ctions, s[...]

6 Glossary CMOS Complementar y Metal Oxide Semiconductor. A chip on the syste m board that contains nonvolatile memory. CMOS is backed up b y an internal lithium battery that preserves clock/calen dar data and sy stem configuration param eters st ored in CMOS . codec Coder-decoder. Us ed prim arily with Internet ph one and video conf erencing produ[...]

Glossa ry 7 DVD Digit al versatile dis c or digit al video dis c. A type of CD-ROM that holds a minimum of 4.7 GB, enough f or a full-length movie. The DVD specification supports disk s with capacities of from 4.7 GB to 17 GB and acces s rates of 600 Kbps to 1.3 M bps. One of the features of DVD drives is that they are back ward-co mpatible with CD[...]

8 Glossary FTP File Trans fer Protocol. A m ethod of trans ferring files between tw o computers on a TCP/IP netwo rk (s uch a s the I nter net). “Ano n ymo us FT P” (the most co mmon usage on t he Inte rne t) allows a user to download f iles without having an accoun t at the remote computer. function key The se t of ke ys on t he keybo a rd ( u[...]

Glossa ry 9 interrupt A signal from part of a system, such as an I/O device, asking to us e the CPU. Interrupts are hierarchical, which preven ts interrupts from interrupting each other. (Whichever interrupt has higher priority makes the other interru pt wait.) When the CPU receives an interrupt signal, it saves what it is doing , processes the rou[...]

10 Glossary M master Part of a two-sided communication t hat i nitiates commands ( to a “slave” that car r ies o ut the comma nds) . megaby te (MB) 1,048 ,576 by tes. memory Electronic storag e area in a computer that retains information and programs. A com puter has two ty pes of mem ory: read-only memory (ROM) and random access m emory (RAM).[...]

Glossary 11 O operating system Set of prog rams th at manage the overal l operation of the computer. overwrite Storing information at a location where information is already stored, thus des troying the original infor mation. P page A type of message transmission in which a message is sent or receiv ed via m odem to a paging dev ice from a comput e[...]

12 Glossary port Any connection by which data can enter or leave a computer or periph eral. Provides the means f or an interface between the microprocess or and external dev ices. A cable conn ector is usually plugged into the po r t to attach the device to the computer. processor In a computer, a functional unit that interpr e ts a nd executes ins[...]

Glossary 13 S SEC Single-Edge Contact. The SEC cartridge containing the Pentium processor. See Slot 1. serial interface An interface that communicates information one bit at a time. serial printer A printer with a s erial interface. SGRAM Synchron ous Graphic Random Access Mem ory. A type of DRAM used in creasingly on video adapters an d graphics a[...]

14 Glossary system boar d The main printed circuit b oard inside the syste m unit into whic h other b oards and major chip components , such as the system microprocess or, are connected. T tpi Tracks per inch. track Any of m any concentric ci rcular regi ons on a disk for storing data. Tracks are div ided into sectors. One measure of storage densit[...]

Glossary 15 VRAM Video RA M. VRAM is special-pu rpose memory us ed by video adapt ers. Unlik e conventiona l RAM, VRAM can be accessed by tw o different dev ices simultaneously. This enables a vi deo adapter to access the VRAM for screen updates at the same time that the CPU provides n ew dat a. VRAM yields bett er graphics perf ormance but is more[...]

Index-1 3 3 1/2-inch accessible device locating, 1-4 3 1/2-in ch internal dev ice installing, 3-28 re moving, 3 -26 3 1/2-inch internal device bracket installing, 3-28 re moving, 3 -26 5 5 1/4-inch accessible device guidel ine s for rep l acing, 3-1 8 installing, 3-23 locating, 1-4 re moving, 3 -22 A Accessible dev ice cage, 3-26 Address es paralle[...]

Index-2 Diskette flash , 2-25 Diskette drive, 1-5 features, 1- 13 specifications, 9-8 DMA s etting s, 4- 15 Doc u menta t i on, Onl i ne, 2 -2 6 Drives disket te, 1-5 DVD-ROM, 1-5 Zip, 1- 5, 1-14 DVD-ROM drive, 1-5 features, 1- 14 specifications, 9-9 speed, 1-5 E Envi ronmental and S afety specif ications, 9- 12 Expans ion boards installing, 3-10 l[...]

Index-3 Menus Adva nc ed, 2-9 Boot, 2-9, 2-22 Exit, 2- 9, 2-22 Main, 2- 9, 2-10 Main setu p, 2-8 Pow er, 2-9, 2- 20 Security, 2- 9, 2-18 Microphon e in, 1-8 Microsoft Internet Ex plorer, 1-10 MIDI port, 1- 8 Minit ower conversi on, 3-37 Modem port, 1-15 specifications, 9-11 Modem f eatures, 1-15 Monitor power sock et, 1-8 Mouse cleaning, 6- 3 featu[...]

Index-4 hardwa re features, 1-11 Serial ports I/O address es, 4-11 interrupts, 2-4 Setup desktop con vers ion to mini tower, 3-38 minit ower conve rsion to desk top, 3-37 Setup Utility BIOS, 2-8 legend bar , 2-9 Main Menu, 2-8 startu p, 2-8 usin g, 2-9 Sleep button , 1-5 lamp, 1-5 Slot cover installing, 3-9 re moving, 3 -9 Smart Restore Prog ram, 2[...]

Regulatory St atem ents 1 Regulatory Statements The follo wing regulato ry statements incl ude the Federal Commun icatio ns Co mmission (FCC) Radio Frequency Interference Statement, co mpliance statements for Canada and Europe, battery dis posal and replacem ent informati on, and the D eclaration of Conf ormity. FCC Statement for Unit ed States Onl[...]

2 Regulatory St atement s Il y a danger d’expl osion s’ il y a replacem ent incorrect de la batterie. Rem placer uniquement avec une batterie du même type ou d’u n type recommandé par le constructeur. Mettre au rébut les batter ie s usagées conformé ment aux instructions du fabricant. Battery Dis posa l The CMOS b atte r y is ma de o f l[...]

NEC Computers Inc. 15 Business Park Way Sacramento, CA 95828 www.nec-com puters.com 456-00134- 000SRV 8/00[...]