Compaq EX Series manual

C ompaq Deskpro EX and Deskpro EXS Series of P ersonal Computers Minitower Models Maintenance & Ser vice Guide[...]

Maintenance & Service Guide Compaq De skpro EX and De skpro EXS Series of Person al Computer s Minitower Models[...]

Notice © 2000 Comp aq Computer Co rporation. Ex cept for use in conn ection with t h e accompany i ng Compaq prod uct, no part of this guide m ay be pho tocopied or repr oduce d in any form without pri or written c onsent from C ompaq Com puter Corporatio n. COMPAQ, th e Compaq logo, and Deskpro Registered in U. S . Patent and Trademark Offi ce ar[...]

Contents iii C ONTENTS preface About This Guide Symbols and Convent ions ........................................................................................................ .vi i Technician Notes ............................................................................................................... ........ vii Locating Additional Info[...]

iv Contents 3.3 Service Considerations ................................................................................................... 3-5 3.3.1 Power Supply Fan .............................................................................................. 3-5 3.3.2 Tools and Software Requirements ...............................................[...]

Contents v chapter 6 Specificat ions 6.1 Specifications.............................................................................................................. .... 6-1 6.1.1 System ................................................................................................................ 6-1 6.1.2 System Interrupts .....................[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers vii preface A BOUT T HIS G UIDE This Maintenance & Serv ice Guid e is a t roubleshoo ting and repa ir guide t hat can be us ed for refer ence when s ervici ng the Co mpaq Deskpro EX Se ries of Persona l Computers Minito wer Mode l. On ly autho rized techn icians trai ned by Compaq[...]

viii About T his Guid e Locating Additional I nformation The following docu men tat ion is avai lab le to suppo rt the se produc ts: ■ User Doc umentation ■ Technical Tra ining Guides ■ Compaq Serv ice Advisories and Bulle tins ■ Compaq Qu ickFind ■ Technical Referen ce Guide ■ Compaq Quick Referen ce Guide ■ Compaq Service Ref erence[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 1-1 chapter 1 P RODUCT D ESCRIPTION This chap ter descri bes the mod el offerings and featur es of the Co mpaq Deskpro EX Ser ies of Personal Co mputers M initower M odel.[...]

1-2 Product Descr iption 1.1 Computer Feat ures Compaq Deskp ro EX Series of Per sonal Comput ers Minitowe r Model ships with a mou se and keyboard. So me models are also equ ipped with a CD-RO M drive. A Co mpaq color monito r or oth er comp atible monitor doe s not sh ip with t he compu ter. 1.1.1 Front Panel Con trols and LEDs Ref. Component/Fun[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 1-3 1.1.2 Rear Pan el Connectors Ref. Component Ref. Component 1 Mouse Co nnector 6 Monitor Co nnector 2 Keyboard Co nnector 7 Headphone/ Line-Out Aud io Connector 3 Universal Serial Bu s (USB) Connector s (2) (connec ts the computer to a ny USB peri pheral while the computer i s oper[...]

1-4 Product Descr iption 1.1.3 Drive Positions Reference Drive Bay Configuration 1 , 2 1, 2 Two standar d 5.25-in ch, half-he ight ba ys for optio nal drives 3 3 One standar d 3.5-in ch, 1.44-MB d iskette dri ve mounted w ith a drive adapter into a 5.25-in ch bay 4 , 5 4, 5 Two standar d 3.5-inch dr ive ba ys; Bay 4 c ontains th e preinstal led har[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 1-5 1.2 Serial Number Locat ion The serial nu mber a nd model in formati on label i s located on the acc ess panel o f the unit 1 . A second barcode label is located on the rea r of the unit 2 . For the pu rpose of A ssetContro l, the se rial numb er is embedded in C MOS and in the EE[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 2-1 chapter 2 S PA R E P AR TS[...]

2-2 Spare Parts 2.1 System Unit Descriptio n Spare Part Number Warranty Tier 1 Access panel Not spared 2 Front bezel 166868-001 B 3 Chassis/basepa n Not spared 4 Logo Kit (only minit ower version-1 66806-002-u sed) 166924-001 B 5 Power switch with cable, LED and swit ch hol der 199854-001 6 Feet Misc Plast ics Kit B 7 Power supply 201828-001 B[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 2-3 2.2 Mass Storage Devices Descriptio n Spare Part Number Warranty Tier 1 Diskette drive, 3.5-inch 158266-001 D 2 48X Max tray load ID E CD-ROM drive 187263-001 B 3 10.0-GB Ultra ATA hard dr ive (66/540 0) quiet 203139-001 B * 15.0-GB Ultr a ATA hard drive (66/540 0) 202903-001 B *N[...]

2-4 Spare Parts 2.3 Cables Descriptio n Spare Part Number Warranty Tier Cable Kit includes: 192264-00 1 B 1 Single de vice, hard drive/CD-R OM cabl e, 18” (108950-019) 2 Audio cable, 21” (387527-0 01) * Single de vice, hard drive/CD-R OM cable, 12 .5” (105876-001) * Audio cab le, 21”, (288 489-002) (not u sed for t his product) 3 Single de [...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 2-5 2.4 Standard, Memor y, and Expansion Boards Descriptio n Spare Part Number Warranty Tier 1 Nvidia M64 1 6MB SDRAM AGP Card 182757-001 B 5 AIMM (G PA) 4MB, 133MHz for graphi cs 192012-001 B Memory M odule (SDIMM , 133 MHz) 2 128 MB 170081-001 B 256 MB 192014-001 B Intel Penti um II[...]

2-6 Spare Parts 2.5 Miscellaneous Plastics Kit Descriptio n Spare Part Number Warranty Tier Miscel laneous Pl astics Ki t, inclu des: 166878-00 1 B 1 Panel, sub (16683 5-001) 2 Bezel, blank (16 6775-001) 3 Diskette bezel (166776-0 01) 4 Card guide (166778-0 01) 5 Foot, rubber (4 ea.) (1 66939-002) 6 Button, power (166 774-001) 7 Drivelock, DT (1667[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 2-7 2.6 Keyboards (not illustrated) Descriptio n Spare Part Number Warranty Tier Easy Acces s Keyboard-US 123130-xxx D Dutch -331 Finnish -351 French -051 International -B31 Norwegian -091 Spanish -071 Swedish -101 UK -031 US -001 2.7 Miscellaneous Screw Kit (not illustrated) Descript[...]

2-8 Spare Parts 2.8 Miscellaneous Parts (not illustrated) Descriptio n Spare Part Number Warranty Tier Mouse – Scro ll, Opal 334689-002 D 2.9 Shipping Boxes (not illustrated) Description Spare Part Number Return Kit 166990-002 2.10 Documentation and Software (no t illustrated) Description Spare Part Number Maintenanc e & Service Gui de 215879[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 3-1 chapter 3 R EMOV AL & R EPLACEMENT P RELIMINAR IES This chap ter prov ides gen eral s ervice in forma tion fo r the compu ter. Adhe rence t o the procedures an d precau tions desc ribed i n this chapter is essentia l for p roper serv ice. CAUTION: When the computer is plugged [...]

3-2 Removal & Replacem ent Prelimin aries 3.1.2 Preventing Electrostatic Damage to E quipment Many elect ronic compon ents are sens itive to ESD. Ci rcuitry desi gn and struc ture determine the deg ree of sensit ivity. The fo llowing prope r packa ging and ground ing precautions are necess ary to p revent dam age to elec tric com ponents and a [...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 3-3 ! Use fixtures made of s tatic-safe mate rials when f ixtures mus t directly con tact dissipati ve surf aces. ! Keep work area f ree of noncond uctive ma terials such as o rdinary pl astic ass embly aids and Styrofoam. ! Use field servi ce tools, su ch as cu tters, sc rewdrivers, [...]

3-4 Removal & Replacem ent Prelimin aries 3.2.2 Cleani ng the Compute r Case Follow all sa fety p recautions in Se ction 3.2.1 be fore clean ing the co mputer. To clean the co mputer ca se, follow the p rocedures de scribed below: ! To remove li ght stain s or dirt, u se plain wat er with a clean, li nt-free cloth or swab. ! For stron ger stain[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 3-5 3.2.5 Cleaning the Mo use Before clean ing the mou se, ensur e that the power to the com put er is turn ed off. ! Clean the mou se ball by first removing the retain ing pla te and the ba ll from the housing. Pull ou t any deb ris fro m the ball socket a nd wipe th e ball w ith a c[...]

3-6 Removal & Replacem ent Prelimin aries 3.3.4 Cab les and Connectors Most cable s used th roughout the unit a re flat, flex ible ca bles. These cables must be handled with c are to avoid damage. Apply only th e tension requi red to sea t or unseat the cables durin g inse rtion o r removal from the connecto r. Handle cables b y the con nector [...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-1 chapter 4 R EMOV AL AND R EPLACEMENT P ROCEDURES This chap ter prov ides gen eral s ervice in forma tion fo r the compu ter. Adhe rence t o the procedures an d precau tions desc ribed i n this chapter is essentia l for p roper serv ice. After co mpleting al l necessary remova l an[...]

4-2 Removal & Replacem ent Proc edures 4.2 Disassembly Preparation Before adding a ny interna l optio ns or perfo rming a r emoval/r eplacemen t: 1. Remove any d iskette, compact disc, o r tape fro m the computer. 2. Turn off the compute r and any peripheral dev ices th at are conn ected to i t. WARNIN G: Power is continuous to the system b oar[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-3 4.3 Feet Installation Four (4) rubbe r feet ar e mounted to th e chass is, as shown be low. No parts hav e to be removed to a ccess the feet. The replacem ent feet h ave an adh esive surf ace and are s hipped with a pro tective backi ng in place. Re move th e backing fro m the fe [...]

4-4 Removal & Replacem ent Proc edures 4.4 Cable Lock WARNIN G: To avoid in jury, us e care i n handli ng the s eparated pieces of the cab le lock bracket; metal edges may be sharp. Be s ure to ins tall the bracket so that s harp edges do not extend from the edges of the com puter chassis. Depending on the model, the computer includes a c able [...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-5 4.5 Access Panel 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to the u nit, dis con nect t he power cor d from the pow er sour ce or [...]

4-6 Removal & Replacem ent Proc edures 4.6 Front Bezel 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to the u nit, dis con nect t he power cor d from the pow er sour ce or t he unit before begi nning[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-7 4.7 Power Button 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to the u nit, dis con nect t he power cor d from the pow er sour ce or [...]

4-8 Removal & Replacem ent Proc edures 4.8 Subpanel and Bezel Blanks The subpane l and bezel b lanks mus t be removed from the front b ezel if you are in stalling a mass s torage dev ice for the first t ime. WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to th[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-9 4.9 Power Switch Assembly CAUTION: The po wer s witc h shou ld not be remo ved fr om the switc h hol der. Do ing so may damage the swit ch compo nents. 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply e[...]

4-10 Removal & Replacem ent Proc edures 4.10 Mass S torage Devices The Compaq Deskpro EX S eries of Pe rsonal Co mputers support u p to five d rives in various conf iguration s. Drive Positions Reference Drive Bay Configura tion 12 1, 2 Two standar d 5.25-in ch, half-he ight ba ys for optio nal drives. 3 3 One standar d 3.5-in ch, 1.44-MB d isk[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-11 When install ing addition al dri ves, fo llow the se guide line s : ! For optima l perfo rmance, conn ect ha rd drives t o the prim ary con troller. Con nect expansion devi ces, such as CD-RO M, IDE tape , and diskette d rives to the secondary con tro ller. ! You may insta ll eit[...]

4-12 Removal & Replacem ent Proc edures 4.10.1 Removing an Internal 3.5-Inch Hard Drive 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). 2. Remove th e access pane l (Sectio n 4.5). 3. Remove th e front bez el (Sectio n 4.6). 4. Disconnec t the power and data cable s from the bac k of the hard drive. 5. Slide th e drivelock mechanis [...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-13 4.10.2 Removing an External 5.25-Inch Drive 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to the u nit, dis con nect t he power cor d[...]

4-14 Removal & Replacem ent Proc edures 4.10.3 Removing an External 3.5-Inch Drive If you are in stalling a second 3.5-inch di skette dr ive into 5.25-inch bay s #1 or 2 for the first ti me, you must use a specia l adapter b racket. If you are in stalling a 3.5-inc h disk ette driv e into 5.25-in ch bay #3, you mus t use a spec ial adapter bra [...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-15 6. Remove the br acket brace 1 from the top of the drive adap te r by squeezin g inward on both sides, then ro tating th e brace up and out. 7. Remove th e drive b ezel 2 . 8. Remove th e three screws 3 that secure the dri ve 4 to the drive adap ter. 9. Lift th e drive out o f th[...]

4-16 Removal & Replacem ent Proc edures 4.11 Expansion Boards 4.11.1 Expansion Board Slots 1 PCI expans ion slots 2 AGP graphics slot[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-17 4.11.2 Removing a PCI Expansion Board 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to the u nit, dis con nect t he power cor d from [...]

4-18 Removal & Replacem ent Proc edures 4.11.3 Installi ng a PCI E xpansio n Boar d 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to the u nit, dis con nect t he power cor d from the pow er sour ce o[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-19 5. Hold the board a t each end an d carefu lly rock it b ack and for th while pushing downward, until the conne cto rs fit comp letely and firml y into the expansion slot. 6. Secure th e board to th e chass is with the retai ning sc rew. 7. Attach any cables tha t came wit h the [...]

4-20 Removal & Replacem ent Proc edures 4.12 System Memory The computer co mes with synch rono us dynam ic rand om acc ess me mo ry (SDRAM) dual inline me mory modul es (DIM Ms). The In tel 815 c hipset co mes with at le ast 64 MB of SDRAM DIMMS, upgradea ble to 512 MB. DIMMs The memory s ockets on the Inte l 815 chip set–based system boa rd [...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-21 To install a memo ry modu le, com ple te the fol lowi ng step s: 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to the u nit, dis con [...]

4-22 Removal & Replacem ent Proc edures 4.13 Graphics Cards The AGP expansio n slot may come with a reten tion mecha nism ins talled around it t o hold the graphics cards secu rely i n place. Ther e are two di fferent t ypes of ret ention mechanism s that ma y be insta lled around the AGP expansion slot. 4.13.1 Graphics Performa nce Accelerator[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-23 Installing a GPA/AIMM Card WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to the u nit, dis con nect t he power cor d from the pow er sour ce or t he unit before begi nning di sasse mbly proce d[...]

4-24 Removal & Replacem ent Proc edures 6. With the GPA/AI MM card at a 45 degree a ngle, slid e the ca rd toward the back of the expansion slot 4 unt il the fi ngers on th e botto m of the ca rd line up p roperly w ith the connectors i n the expans ion slot. CAUTION: The finge rs on t he bot tom o f the GP A/AI MM card m ust be pro perly a lig[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-25 4.13.2 AGP Card with a Type I Retention Mechanism Removing an AGP Card 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). 2. Lay the co mputer down on i ts large base for g reater stability. 3. Remove th e access pane l (Sectio n 4.5). 4. Remove the sc rew at th e top of[...]

4-26 Removal & Replacem ent Proc edures 4.13.3 GPA/AIMM Card with a Type 2 Retention Mec hanism Removing a GPA/AIMM Ca rd 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). 2. Lay the co mputer down on i ts large base for g reater stability. 3. Remove th e access pane l (Sectio n 4.5). 4. Pull the arm on the right side of the reten tio[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-27 4.13.4 AGP Card with a Type 2 Retention Mecha nism Removing an AGP Card 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). 2. Lay the co mputer down on i ts large base for g reater stability. 3. Remove th e access pane l (Sectio n 4.5). 4. Remove the sc rew at th e top o[...]

4-28 Removal & Replacem ent Proc edures 4.13.5 Standar d AGP E xpansio n Car d Removing an AGP Card 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). 2. Lay the co mputer down on i ts large base for g reater stability. 3. Remove th e access pane l (Sectio n 4.5). 4. Remove the sc rew at th e top of the expansion s lot. 5. Remove the A[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-29 4.14 Processor 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to the u nit, dis con nect t he power cor d from the pow er sour ce or t[...]

4-30 Removal & Replacem ent Proc edures Before insta lling a fansink, p repare for its instal latio n by doing one o f the fo llowing: • New heatsink : if the heat sink ha s a therma l int erf ace attac h ed to its bottom , peel off the protective paper befo re insta lling th e heats ink, if nec essary. • Reinsta lled heats ink: Note w here[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-31 4.15 System Boa rd ✎ More in formation on the sys tem board, including troub leshooting criteri a, can be found in the Co mpaq Quick T roubleshoo ting Guide (par t number 153837-001) and the Compaq Se rvice Ref erence Gui de (part nu mber 152611-00 1). 1. Prepare the c ompute r[...]

4-32 Removal & Replacem ent Proc edures 4.16 Battery 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). 2. Lay the co mputer down on i ts large base for g reater stability. 3. Remove th e access pane l (Sectio n 4.5). 4. Locate the ba ttery o n the syste m board. If you have e xpansion boa rds insta lled, you may need to remove the m t[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 4-33 4.17 Chassis Fan Assembly ✎ If the un it has a 866 - 933MHz proc essor, it require s an extern al chassi s fan. 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned[...]

4-34 Removal & Replacem ent Proc edures 4.18 Power Supply 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system b oard and power supply even when the power switc h is t urned o ff. To preve nt dama ge to the u nit, dis con nect t he power cor d from the pow er sour ce or t he unit before begi nn[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 5-1 chapter 5 C ONNECTORS AND J UMPERS This chap ter prov ides con nector, ju mper, an d switch inf ormation for sy stem bo ard jumpers, sy stem I/O bo ard conn ectors, and h ard drives f or th e Desktop Mode l. 5.1 System Board 5.1.1 Conn ectors and Jumpers CR28 3.3V Aux LED P12 SOS [...]

5-2 Connecto rs and Jumpers 5.1.2 Clearing CMOS The compu ter's configu ration (CMOS ) may occas ionally be corrupt ed. If it d oes, it is necessary to clear the CMOS memory usi ng push bu tton switch S W50. To clear and r eset the co nfigurat ion, perfor m the fol lowing procedu re: 1. Prepare the c ompute r for dis assemb ly (Sectio n 4.2). [...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 5-3 5.1.3 Disabling o r Clearin g the Power- On a nd Setup Passwor ds 1. Turn off the compute r and any external d evices, and d isconnect the power c ord from the power outl et. 2. Disconnec t the keyboar d, monitor, and any othe r external devices conn ected to t he computer. 3. Rem[...]

5-4 Connecto rs and Jumpers 5.2 Hard Dr ive Jumper Settings 5.2.1 Seagate, Q uant um, and Weste rn Di gital The drawings and tables below apply t o a number o f differe nt size dr ives in th e follow ing pa ragr ap hs. Seagate, Quantum, and Western Digital Ultra ATA Hard Drive Jumper Settings Definition S e agate Quantum Western Digital Single 7 - [...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 5-5 5.2.2 Maxtor Maxtor Ultra ATA Hard Drive Jumper Settings Definition J50 J48 J46 J44 J42 Single J Primary (in a d ual-drive s ystem) J Secondary O Cable Sele ct Disabled* Enabled O J 4092 Cyli nder Limita tion Disabled* Enabled O J Factory Re served O Factory Re served O * = Def au[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 6-1 chapter 6 S PECIFICA TIONS 6.1 Specifications 6.1.1 System Dimensions Height Width Depth 17.65 in 6.60 in 16.80 in 44.83 cm 16.76 cm 42.67 cm Weight (approxim ate, depen ding on configurati on) 26 lb 11.8 kg Power Supply, 200 Watt Operating Vol tage Rang e Rated Voltag e Range Rat[...]

6-2 Specificati ons 6.1.2 System Interrupts Hardware IRQ Sy stem Function 0 Timer Interr upt 1 Keyboard 2 Interrupt Contr oller Ca scade 3 Serial Port (CO M B) 4 Serial Port (CO M A) 5 Audio 6 Diskette Dri ve 7 Parallel Por t (LPT 1) 8 Real-Time C lock 9 Availabl e for PCI 10 Available for PCI 11 Available for PCI 12 Mouse 13 Coprocessor 14 Primary[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 6-3 6.1.4 ICH Fixed I/O Registers Port Register Nam e 00h, 02h, 04h, 06h Channel 0, 1, 2, 3 DMA Base & C urrent Addres s Regsiter C0h, C4h, C 8h, CCh Channel 4, 5, 6, 7 DMA Bas e & Current Addres s Regist er 01h, 03h, 05h, 07h Channel 0, 1, 2, 3 DMA Base & C urrent Count R[...]

6-4 Specificati ons ICH Fixed I/O Reg isters con t Port Register Nam e CF9h Reset Contro l Register A0h Slave PIC ICW1 Init. Cmd Word 1 Register Slave PIC OCW2 Op Ctrl Word 2 Register Slave PIC OCW3 Op Ctrl Word 3 Register A1 Slave PIC ICW2 I nit. Cm d Word 2 Regist er Slave PIC ICW3 I nit. Cm d Word 3 Reg ister Slave PIC ICW4 I nit. Cm d Word 4 Re[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 6-5 ICH Fixed I/O Reg isters con t Port Register Nam e 1F0h-1F7h PIO Mode Com mand Block O ffset for Prim ary Dri ve 376h PIO Mode Contro l Block O ffset for S econdary D rive 3F6h PIO Mode Contro l Block O ffset for Prim ary Drive 4D0h Master PIC Edge/L evel Tr iggered Re gister 3F6h[...]

6-6 Specifications 6.2 Drives 6.2.1 1.44-MB Diskette Drive Size and Capacity Size (in) High Density (M B) Low Density (KB) 3.5 1.44 720 Compaq Spare Par t Number 21079 5-001 Light Green Drive Rotation (rpm) 300 Height One-third (1 i nch) Bytes per Sector 512 Sectors per Track (high/ low density) 18/9 Tracks per Side (high/low dens ity) 80/80 Read/W[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 6-7 6.2.2 Ultra ATA Hard Drives 10.0 GB 15.0 GB Formatted Capacity Physical (MB) Logical (M B) 10242 10242 15364 15364 Compaq Spare Par t Number 203139-00 1 202903-001 Logical Block Allocat ion Total Sectors User Address able Sectors 16514064 19541088 16514064 29336832 Sectors per Tr [...]

6-8 Specificati ons 6.2.3 CD-ROM Drives 48X Max Compaq Spare Par t Number 187263-001 Data Buffer (ms) 16.6 Data Transfer Rate 150 KB/s Min (a udio) CD: 3000-7200 KB/s Access Time (ms) Random Full-Stroke See k <100 <150 Cache Buffer 128 KB Interface ATAPI Disk Formats Read Photo-CD/Multisess ion CD-ROM Multi Rea d CD TEXT Audio CD CD-I CD-RW C[...]

Compaq Des kpro EX and Des kpro EXS Series of Personal Computers 6-9 6.3 Compaq Keyb oard Compaq Easy Ac cess Dimensions Height Width Depth 1.4 in 18.3 in 6.3 in 6.4 Scroll Mouse Dimensions Height Length Width 1.34 in 4.45 in 2.36 in 3.4 cm 11.3 cm 6.0 cm Weight 4.59 oz 130 g Base Resolution 400 dpi 15.8 dp Tracking Speed (maximum ) 10 in/sec 25 cm[...]

6-10 Specificati ons 6.5 Supported Graphics Resolut ions 6.5.1 In tel 3D Graphics Colors 256 65K 16.7M 640 x 480 85 Hz 85 Hz 85 Hz 800 x 600 85 Hz 85 Hz 85 Hz 1024 x 768 85 Hz 85 Hz 85 Hz 1152 x 864 85 Hz 85 Hz 85 Hz 1280 x 1024 85 Hz 85 Hz 85 Hz 1600 x 1200 85 Hz 85 Hz 85 Hz 6.5.2 n VIDIA M64 Pro Mode Color Depth (bits/pixel) Refresh Rat e (Hz) 64[...]

Index I-1 Index A access panel remova l and replacemen t, 4-5 AGP card spare part number, 2-3 AGP retention mech anism, 4-22 AIMM card spare part number, 2-3 B battery proper disposal , 4-32 remova l and replacemen t, 4-32 C cable kit spare part nu mber, 2- 2 cable lock remova l and replacemen t, 4-4 cable select featu re, 4-11 CD-ROM specification[...]

I-2 Index M memo r y remova l and replacemen t, 4-20 spare part number, 2-3 standard, 2- 3 memo r y map , 6- 5 mi croprocessor spare part nu mber, 2- 3 miscellaneous scr e w kit spare part nu mber, 2- 4 monitor cleaning, 3- 4 mou se cleaning, 3- 5 spare part nu mber, 2- 5 specifications , 6-9 N Network Interface Card spare part number, 2-3 Nvidia g[...]