NEC SP B-Series manuale d’uso

A New Dir e c tio n In Cutt ing -Edge Techno logy D IRE CTION ™ SP B- S ERIES SERVICE AND REFERENCE MAN UAL[...]

First P rin ting — A pril 1999 Copy right 1999 NEC Com pute r S ystem s Divi sion Pa ckard Bell NEC, Inc. 1 Pa cka r d Bell Way Sacramen to , CA 95828-0903 All Ri gh ts Re se rved Proprieta ry Noti ce and Liabili ty Disc lai mer The inform ation disclo sed in thi s do cume nt, incl uding al l de sign s and rel ated m ate ria l s, is th e v aluabl[...]

Contents iii Contents Pre face .............................................................................................................................ix A bb r e vi atio n s .................................................................................................................. .x i 1 Techn ical I nfor mation Sy ste m Ove r vie w ..[...]

iv Conte nts B oo t Me n u ..............................................................................................................2-1 3 Hard Dri ve Subm en u .......................................................................................2- 14 Rem ov able Device s Sub m en u ............................................................[...]

Contents v 5 Disass embly and Reassembly Di sasse m bly .................................................................................................................. 5- 3 Sy ste m Ac ce ss Co ve r ............................................................................................... 5-3 Ex pan sio n Bo ard Rem oval ...................[...]

vi Co nten ts C Sy stem Resour ces IRQ Se tti ng s .................................................................................................................. C -2 Sy ste m R e sou rce In fo r m atio n ........................................................................................ C- 2 Jum pe r Se tting s ...........................[...]

Co ntent s vii List o f Fig ures Fro n t Fe ature s – De sk to p Mo de l s .......................................................................................... 1-2 Re ar Fe ature s – D e sk top Mod el s ........................................................................................... 1-3 A udio Con ne cto rs – D e sk to p M od[...]

viii Con tent s List o f Tab le s Sy ste m Mem o r y M ap ............................................................................................................ 1- 7 In t e rrupt Le vel A ss ign me nts ................................................................................................. 1-8 DM A A ssign m en ts....................[...]

Prefa ce ix Preface This ser v ice and re ference ma nua l co nt a ins t echnica l in for mat i o n necessar y for servicing an d repa iring Di rect i o n™ SP B-Seri es syste ms. The man ua l includes syste m setup inf or mati o n, pro cedures for in sta lli ng o pt i o ns, and t roubleshoot i ng. The manual is wr itt en f o r NE C CS D-t r ained[...]

xi Aa m p e r e A C al tern atin g c urren t AT advanced t echno log y (IBM PC) BBS Bu llet in Bo ar d S er vice BCD binary - co d ed decimal BCU BI OS Cust o mized Ut il i t y BIOS basic i n put /output sy st em bi t bi na r y di gi t BUU BIOS Upgrade Ut ili t y bp i bit s p e r inc h bps bit s p e r se c o nd C capacita nce C cent i grade Cache h[...]

xii IPC i n tegrated pe ri p he ral co nt ro ller ips inches per second IRQ i n terrupt requ e s t K kil o (1024) k kil o (1000) KB k ilo b yt e kg kil ogra m kHz k il o hert z lb pound LE D l ig ht - e mit t ing d io d e LSB least- s i g nificant bi t LSI large-scale in t egrat ion Mm e g a mA mi l lia mp s ma x ma x i mu m MB m egaby t e M DA Mon[...]

1 Technical Information Overview Syste m Boa r d Modem B oard (opt ional) Diske tte Dr ive Hard Drive CD-ROM/DVD Dri ve Zip Driv e Power Supply Power Management[...]

1-2 T echni cal Inf orm atio n The sect i on pro v i des a n o verview o f t he NEC Direct ion™ SP B- Ser ies co mputers. I nfor m at i o n inc ludes: an over view o f syste m feat ur es descript ion of syste m co m po nents. System O ver view NEC Di rect i on SP B-Series syste ms s uppo rt the Intel ® Pent i u m ® II proce ss or w i t h MMX™[...]

Techn ica l Inf orm ation 1- 3 Rear F eatur es – D es ktop Mo dels A – Power Socket B – Mo us e P o r t C – Parallel Port D – Ke yboa rd Por t E – USB Ports F – Ser i al Port 1 G – S erial Port 2 H – Au dio C onnecto rs I – Vide o Conne ctor Audio Connec tors – Desktop Models A – MI D I / G am e P or t B – Line O ut Ja ck [...]

1-4 T echni cal Inf orm atio n Front Fea tures – Minitowe r M odels A – C D -ROM /DVD D rive B – Disk ette Dr iv e C – Powe r Lamp D – Power Button E – D isk La mp F – R e se t Bu tto n Rear F eatur es – Min it owe r Mod els A – Power Socket B – M o us e P o rt C – Ke yboa rd Por t D – USB Ports E – Se rial Po rt 1 F – S[...]

Techn ica l Inf orm ation 1- 5 Audio Connec tors – Minitower Models A – L ine Out Ja ck B – L ine In Jack C – M i crophone Jack D –M IDI/ Game Por t System Board The syst e m boar d co nt ains m o st of the compone nt s that pro v i de s yst e m funct i o ns. T he fo ll ow ing su bsect ions pro vi de a descr ipt ion of these co m po nent [...]

1-6 T echni cal Inf orm atio n The syste m suppor t s t he f o ll ow in g DIM M co nfigurations: 4-Mbi t by 64 (32-MB DIMM) 8-Mbi t by 64 (64-MB DIMM) 16-Mbi t by 64 (128-MB DIMM). Chipset The Inte l 440B X chipset pro vides DMA, mem or y , and bus contro l. The chi pset inc lu d e s t he fo llo w in g c h ip s: Inte l 82443BX PCI/A GP (PA C)  p[...]

Techn ica l Inf orm ation 1- 7 Syst em Mem ory Map Memory Address Size Function 100000-1800000 0 383 MB Ex tended m e m ory E8000-FFFFF 96 KB Syste m BIOS E0000-E7FF F 32 KB Syste m BIOS (av ailable as UMB) C8000-DFFFF 96 KB Available high D O S m e mory (open to ISA an d PCI b us) A0000-C7FFF 160 KB Video m e mor y and BIOS 00000-9FFFF 640 KB Conv[...]

1-8 T echni cal Inf orm atio n Interrupt Lev el Assignments I R Q Sys t em R e so u r c e NMI I/O channe l che ck 00 Reserv ed, in t erv al tim er 01 R eserve d, keyboard cont roller 02 Res er v ed , c a sc ad e i nt er r up t f r om sl av e P I C 03 COM2* 04 COM1* 05 LPT2 (P lug and P lay op ti on)/aud io/user a vailable 06 Dis ke tte d rive 07 LP[...]

Techn ica l Inf orm ation 1- 9 IDE Po rts The syst e m bo ar d pro vi des t wo f ast I DE port s: pr im ar y c han nel a nd secondar y channel. Each port suppo rt s two devi ce s for a total of four I DE devi ces. T he syste m board all o w s t he co nnect ion of an IDE CD- ROM dr ive for syst e m configurat i on fl exi bi li t y wi t hou t th e a [...]

1-10 T echn ical In form ation The opti o nal AWE64D PCI sound board repl a ces t he integrat ed audi o s ys t e m. It pro vides FM syn t hesis and 64 simul ta neous vo ices . M od em Board (optional) O pti on al m odem b oa rd s i n cl ud e : U.S . R ob oti cs ® 56-Kb ps V.90 x2-capable Winm o de m, U. S . Ro bot ics 56-Kb p s V. 90 x2-capab le S[...]

Techn i cal In for m ation 1-11 Power M anagement The A dva nced Power Management (APM) pr o gr am , l o cat ed on t he 82371EB PCI ISA IDE X cel erator (PI IX4E) ch i p, redu ces sy s te m power c ons ump ti on when there is n o act ivi t y detect ed f ro m t he ke yb o ar d, m o use, d i skett e dri ve, CD-ROM/DVD dr ive, or hard drive af t er a [...]

2 Ut iliti es BIO S Setup U tili ty Inte l Pr oce ssor Ser ia l N u mber C on trol U t ility[...]

2-2 Utilities This sect ion pro vides inf o r m at ion on configur ing the co m put er . T he sect i o n inc lu d e s in fo r mat io n o n t he BIOS Se t up Utili t y f or co nf iguring the system Inte l Processor Seri al Number Contro l ut ili t y for enabling or disabli ng the Pen t i um III pr oces sor s eri al numb er (f or Pen ti um III b as e[...]

Ut ilities 2-3 How to Sta rt Setup To st art the Setup ut ili t y, fo ll o w t hese steps: 1. Tu rn on or re b oo t th e sy stem . 2. Pr ess F2 aft e r P OST be g ins , bu t be fo r e t he s yst e m bo o t s u p. Yo u hav e a bo u t five seco nds t o pr ess F2 . Set up’s Main Menu window appears simil ar t o t he f o ll owing scree n. Note : The [...]

2-4 Utilities A Main Me nu su m mar y windo w  the area o n the l e ft s ide o f the screen. This area pro vi des a su m mar y o f Ma in Me nu Set up para meters. So me M ai n Men u p ara m e ter s c a n b e s e t f rom thi s wi nd ow or th ey can b e s e t f ro m s u bmenus. The h elp and navigat ion win dow  t he area on t he right s ide of[...]

Ut ilities 2-5 Le ge nd Ba r Use t he keys list ed in the l ege nd bar o n t he botto m of t he Set up m enu to m ake t he select i o ns o r exi t t he curr ent menu. T he f o ll o w ing t able descr ibes t he lege nd keys an d t hei r a l t er nat es. Setup Key Functions Key Function F1 or A lt-H Provide s help for the pa rameter field be ing d is[...]

2-6 Utilities Mai n Men u Thi s se ct i on d es crib es the Mai n M en u pa rame ters. O t her m e nu p aram eters are available by se lect in g su bmenu s. Use t he arrow key s to m o ve t he curso r to a para meter and press Enter to se l ect a submenu. It ems with lighter t ext are not available. BIOS Ver s ion T h is f ie ld d is p la ys yo u r[...]

Ut ilities 2-7 Ad va nced Menu T h is s e c t io n d e s c r ib e s t he Ad va nc e d M e nu p a r a me t e r s . Ot he r me nu p a r a met e r s are availa ble by se lect in g su bmenus. Use t he arro w keys to m ove t he curso r to a para meter and press Enter to se l ect a submenu. It ems with lighter t ext are not available. Pl u g & Pl ay [...]

2-8 Utilities Mo de ( P ar a lle l P o rt ) Th i s op ti on se ts th e m ode f or th e pa ral l el po rt . Th e opti on s i ncl ude “Ou t p u t O n ly” ( AT - c o mpa t ib le mo d e ) , “B id ir e c t io na l” ( P S / 2 - co mpat ib le m ode), “EPP” (E xtended Parall el Port – hi g h speed bidi re ct ional), and “ ECP” ( E nhanced[...]

Ut ilities 2-9 Mu l t i S ect or T r ansf ers T h is o pt io n d e t e r min e s t he nu mb e r o f se c t o r s p e r blo c k fo r mu lt ip le sect or transfers. I f necessar y, check t he specificat i on for your hard dr ive to de t er mine the best sett ing f or opt imum dr ive perfor m a nce. T he opt i o ns include:  2 Sectors  4 Sectors[...]

2-10 Utilities Ul tra D M A Th i s op ti on se ts th e Ul tra D M A Mod e f or th e h ar d dr i ve . T h i s opti on cannot be ch a nged when “Auto ” is se lect ed. The opt ions include:  Mode 0  Mode 1  Mode 2  Disabled. T o r et ur n t o t he Ad va nc e d M e nu , p r e s s Esc . Floppy Opti ons Subme nu This subme nu can b e used[...]

Ut ilities 2-1 1 DMI Event Log ging Submenu This s u bmenu can b e used to view an d m o d ify DMI Even t Lo gs. To enter t he subm enu, highlight the DMI Event Loggin g field, then press Ent er . The f o ll o w ing opt ions appear: E ve nt Lo g C a p a c it y/E ve nt Lo g V a lid it y These field s indicat e whether space is available in the Eve n[...]

2-12 Utilities Resource Con fi gurati on Submenu This opti o n all o ws y o u to reserve s pecif ic resour ces f or use by legacy ISA devices. To enter the s ubmenu, highlight this field, then press Ent er . Th e f o l l o wi n g op ti on s a r e di s pl ay e d : Me mor y Reser vat i o n Su bme nu This option l ets y ou c o nfi gure m e m or y bl o[...]

Ut ilities 2-1 3 Pow er Menu The Po wer Menu is used to enable or disable t he syste m’s po wer management f e a tur e s . W hen th e p owe r m an a gem en t op ti on i s e n ab l ed , th e f o l l owi n g op ti on s appear in the P o wer Menu: P o w e r M a na g e me nt This f eat ur e lets you enabl e or di sa ble BIOS po wer m anagement . I na[...]

2-14 Utilities Scan User Flas h Area This opt ion configures t he BIOS to scan the flash mem or y for user binar y files t hat ar e executed at boot tim e. The cho i ces ar e “Ena bled” and “D is a b le d ” ( d e fau lt) . Af t er Po wer Failure This opti on sp ecifies wh ethe r o r not to res tore p ower to the sy ste m if i t i s t ur ned[...]

Ut ilities 2-1 5 Exit M e nu The Exit Me nu a ll ow s y o u t o choo se ho w to exi t t he Setup progr am . P r ess t he arrow ( cur sor) key s to se lect t he desired opti o n, t hen press Ent er to ma ke y our cho ice (or use t he arro w key to sel e ct anot her one). Exi t Saving Changes Th i s op ti on ex i ts th e Se tup pr ogra m an d s av e [...]

2-16 Utilities This ut ili t y pla ces a n icon in the Windo ws s yst e m tray. The icon pro vides a vis u a l st at us of the processo r seri al nu mber. Yo u hav e the opt i o n o f hiding the syst e m tray icon. Yo u can di sa ble t he processo r ser ial number at any t ime. Ho wever, enab ling the ser ial number r equ ires rest ar t ing the sys[...]

Ut ilities 2-1 7 Why w ould I want to turn off my processor s erial number? Inte l b elieve s t he pro cesso r serial number can pro vide co mpelling benefi t s to users. T he y are de velop ing featur es in conj u nct i o n wit h t he processo r ser i a l number to all o w r espo nsib le ser vice pro viders t o pro vide serv ices w hic h main ta i[...]

2-18 Utilities Errat a The t echni ca l support num ber in the h elp fil e is i n co rrect. The cor rect t elephone number for Custo m er Support for Japan is 0298- 47- 080 0 (I n tel Ho tL i n e Serv ice). Te ch nic al S up p or t For wor l d w i de 7 days a week, 24 hours a day t echnica l suppor t, please vi s i t t he Inte l support websi t e a[...]

3 Option Installat ion General Rules Prec auti ons Acc ess Cover Rem o val Acc ess Cover Repl ac em ent Expansion B oards Mem ory Upgrade Data St orage Devi c es External Opt i ons[...]

3-2 O ption I n stal lation T his se ct io n pr o v i d e s inst r u ct io ns fo r inst a ll in g t he fo llo w in g o p t io ns: expansi o n b oar ds mem or y upgrade dat a storage devices e x tern al op ti ons . All o p t ions ( except ext er nal opt i o ns) r equ ire re moval o f t he access co ver. Procedur es for r em o ving t he co ver are in[...]

Option I nstallati on 3 -3 Avo id carpets in co o l, dr y areas. Leave an o ption, such as a board or chi p, in it s ant i -st at ic packaging unt il read y t o insta ll it. Di ssi pa te sta ti c el ectr i ci t y b ef ore h an dli ng an y sys t em co m pon en t s ( f or example, boar ds and chips) by t o uching a gro unded m eta l object, such as t[...]

3-4 O ption I n stal lation 4. Lo o sen t he t hu mb screw at the rear of the syst em by t ur n ing it co unt er clockw ise. I f y o u insta lled a l o ck o n the back of t he syst e m, unl ock t he l ock and re mo ve it. Press t he ri g ht r elease t ab. While press ing t he t ab, push down and back on t he ri g ht r ear o f the cover. T he cover [...]

Option I nstallati on 3 -5 Aligni ng the Tabs A – Ta bs B – S lots 3. S lide t he access co ver f o r war d to meet the f ro nt pane l. 4. Ti gh te n th e th um b sc re w. Note : The cov er fi t s tightly. If it does not sli de all t he way to the f ront panel , pl ace one hand on the f r ont of the unit whil e you slide the c ov er for ward f [...]

3-6 O ption I n stal lation P C I exp a ns io n bo a r ds r u n a t o ne ha lf t he s yst e m ho st ’ s bu s s p e e d . T he P CI bu s handles 32 bi ts o f data at a tim e, being w i der as well as fas t er t han the standard IS A b us. P CI bo ar ds can se nd a nd rece ive dat a m uc h fast er , thereby bo o sting syst e m perfor ma nce. Expa n[...]

Option I nstallati on 3 -7 Removing the Slot Cover A – Sc rew B – S lot Co ve r S a ve t he s c r ew fo r ins t a ll in g t he e xp a ns io n bo a r d . Be s u r e to s a ve t he s lo t cov er f o r f uture us e. ! CA UT ION A slot c ov er can dam age t he system board or any opti on board if it f alls i nt o the system. Take c ar e to keep t h[...]

3-8 O ption I n stal lation Ins talling a Boa rd 7. At t ach any ca bles requ ired by t he expans io n b o ar d. 8. Rep lace t he access co ver. Expa ns io n B oar d R em ov al Use t he f o ll o w ing st eps t o rem o ve a bo ar d fro m the syste m. 1. Re m o ve t he syst e m access co ver. 2. Label and re mo ve any ca bles co nnect ed to t he b o [...]

Option I nstallati on 3 -9 When upgrad ing y o ur s y st e m mem or y, n o t e the f o l lowing co ndit i o ns: Be sure to use 168- pin 3.3V DIMMs w ith gold-plat ed co nt acts. Bus s peed o f 100 M Hz is supported. No n-Er ror Correct ing an d Checking (64-bit) DI MMs ar e suppo rted. Note : Although m emory size m ay var y, the S DRAM DIMM s must[...]

3-10 Option Inst al latio n Sample Memory Configurati ons Bank 0 Bank 1 Bank 2 Tot al RA M 128 MB 32 MB 32 MB 192 MB 128 MB 64 MB E m pty 192 M B 128 MB 64 MB 32 MB 224 MB 128 MB 64 MB 64 MB 256 MB 128 MB 128 MB E m pty 256 M B 128 MB 128 MB 32 MB 288 MB 128 MB 128 MB 64 MB 320 MB 128 MB 128 MB 128 MB 384 MB DIMM Removal Use t he f o ll ow ing pro [...]

Opt ion In st allat ion 3-11 DIM M Inst all ati o n Use t he f o ll o w ing pro cedur e to inst a ll a DIMM. 1. Re m o ve t he access co ver. 2. Lo cat e the DIMM so cket s. 3. Remove any current ly - inst a lled DIMMs t hat ar e not needed. See t he p r e v io u s s e c t io n “ D I M M R e mo va l. ” ! CA UT ION Bef or e installi ng a DIMM, r[...]

3-12 Option Inst al latio n Devi ce S l ot s Yo ur c o mputer has seven s t o r age device sl o t s: o ne 3 1/2-in c h access ib le device slot ( co ntains the standard 1. 44- MB d iskett e dr ive) t wo i nternal 3 1/2- in c h h ard dr iv e sl o t s (o ne contai ns the hard dr ive) f our access ib le device slot s  t wo accessible 5 1/4- inch de[...]

Opt ion In st allat ion 3-13  The st andard I DE hard dr ive is set as t he mast er device on the pr imary IDE co nn ect o r. The standard CD- ROM dr ive is t he master device on the seco ndar y IDE co nnecto r . Insta llat ion hardware — check to be cer t ain y ou have t he screws necessar y t o secur e the drive in an accessib le dr ive sl o[...]

3-14 Option Inst al latio n Di skette Dri ve Signal Cable A two- connect or diskett e drive signa l ca ble co m es at t ached to the sy st e m boar d and to the standard 1.44- MB di skett e dr i ve. Depending on your s y st e m, inst a llat ion of an access ib le device, suc h as a t ape backup uni t , m a y requ ire t he rep lacement o f the ex is[...]

Opt ion In st allat ion 3-15 IDE Signa l Cable A – C on ne cts to Sys te m Bo ard IDE Po rt B – C on ne cts to IDE De vice s System P ower Cables Po wer cables co m e fro m t he po wer suppl y and are att ached to the s t andard sto r age devi ce s. S y st e m po wer cables vary in lengt h and pro vide connect or sizes to acco mm o d at e a var[...]

3-16 Option Inst al latio n Devi ce C ab ling All st orage devi c es r equ i re a po wer and signal ca ble co nnect i o n. Devices shipped w i t h t he syste m are al read y co nnect ed. Cable o ptional devices as fo l lo w s . Cabli ng an IDE Devi ce 1. Co nnect t he I DE s i gnal ca ble co nnector to t he co nn ecto r o n t he I DE device. Take c[...]

Opt ion In st allat ion 3-17 Co nnect ing an Acces sibl e 5 1/ 4-Inch Devic e A – De vi ce Co nne c t or B – Re d Edge C – S ignal C able D – Powe r Cable Stor a ge D ev ice In st all ati on The f o ll o w ing subsect i o ns descr ibe h o w to in st a ll 3 1/2-i nc h and 5 1/4-in ch devices. The ins t a llat ion procedur es include: re m o [...]

3-18 Option Inst al latio n Relea sing the Front Panel A – Two Re lease Tabs B – Rele ase Tab 3. Pu ll the pa nel awa y fro m the ch ass is. Remo ving the CD-ROM / DVD Drive If y o u need t o rem ove the CD-ROM/D VD dr iv e, you need to rem ove t he access ible device cage. Use t he f o ll ow ing pro cedur e to rem o ve t he access ib le device[...]

Opt ion In st allat ion 3-19 2. S li de t he cage to war d s the f ro nt of the syst e m and lif t it o ut of t he uni t . Installi ng a 3 1/2-I nch Devi ce Use the f o ll o w ing pro cedur e to i nst a ll a 3 1/2-inch device. 1. Fo ll ow t he preinsta llat ion inst r u ctions t hat ca me wi t h the de vice, such as se t t ing ju mp e r s a nd s w [...]

3-20 Option Inst al latio n Rem ovin g t he Br acket Sc rews A – T w o D r i v e Br a c k et S c r ews S lide the 3 1/2-inch hard driv e bracket to war ds t he back of t he syst e m uni t unt il i t i s f ree of t he m o l ded p last i c. A li gn th e tw o s cr e w h ol es on th e h ar d d ri v e wi th th e tw o tab s on th e bracket ( see the fo[...]

Opt ion In st allat ion 3-21 Secu rin g t he Dri ve S lide the bracket into the m o l ded p last ic drive sl ot . S ecur e t he b racket to t he f ro nt panel wi t h the t wo screws show n in “Rem o ving the Bracket Screw s.” If y o u ar e ins t a lling the devi ce in the standard 3 1/2-inch in t er nal d e vice sl o t , sim p l y insert t he d[...]

3-22 Option Inst al latio n 6. T o insta ll a 3 1/2-inch devi ce in an access ible s l o t : Rem o ve t he p l ast i c blank panel fro m the s e lect ed sl ot by pressing the panel tab in w ard and swing ing t he bl a nk panel o ut ( see the fo ll ow ing figure). Rem ovin g t he Bl ank P anel A – B lank Pane l Tab Use a screw dr iver to rem o ve [...]

Opt ion In st allat ion 3-23 Installi ng a 5 1/4-I nch Devi ce Inst a ll a n access ib le device into t he device slot as foll o w s. 1. Fo ll ow t he preinsta llat ion inst r u ctions t hat ca m e wi t h the device, such a s se t t ing ju mp e r s a nd s w it c he s . Note : If your 5 1/4-i nc h dev ic e c om es with driv e rail s, do not at t ach[...]

3-24 Option Inst al latio n In sta l l i ng th e Dev ice Note : If you rem ov ed the acc essibl e devic e c age, repl ac e it . Secur e the devi c e cage with the screw. 12. If y o u inst a lled a h ard dr ive in t he 5 1/4-inch sl ot , r epl ace t he p last i c panel. 13. Rep lace t he fro nt panel. 14. Rep lace t he access co ver. Replaci ng the [...]

Opt ion In st allat ion 3-25 Exte rnal Options Ext er nal connecto rs on the b ack o f the syst e m u n i t a ll o w for a var iet y of indus t r y -st andard o pt i o ns This su bsect i o n pro v i d es t he inst allat i on pro cedures for the most comm o nly used exter na l o pt ions, whic h are as fo ll o ws: pa r a lle l pr int e r serial devic[...]

3-26 Option Inst al latio n RS-23 2 C D evi ce C o nn ec tion Note : Befor e connect i ng a serial devic e to the system , be sure the serial dev ic e is set up corr ec tl y. F oll ow the setup instr uc t i ons that come wit h the option. 1. Tur n off power to the syste m an d to the ser i a l device. 2. Co nnect o ne end of t he ser ial cable to o[...]

4 Mai ntenance and T roubl eshooti ng Maintenanc e Troubles hooti ng[...]

4-2 M a intenance and Troubleshooting This s ect i on pro vides inf or mat ion on m ain t a ining and tro ublesh o ot ing the D i rect i on SP B- S er ies co m put er s. Als o included in t his sect ion are syste m err o r beep code descri pt i ons and a pro cedur e f o r r epl acing t he CMOS battery . The fo ll ow ing t able list s NE C CS D ser [...]

Mainte nance and Troubleshooting 4 -3 Syst em C le a ning Use t he f o ll ow ing pro cedur e for cleaning the system. 1. Po wer off t he syste m a nd unplug all power cables. 2. Per i o dically wipe the outs i de o f the syste m , ke yb o ar d, m o use, and m o nito r w ith a soft, cl e an c lot h. Re m o ve st ains with a mild det er gent . Do not[...]

4-4 M a intenance and Troubleshooting Locat ing th e Mous e Ba ll C o ver A – M o us e B a l l C ov er 4. T ur n t he m ouse o ver and rem o ve t he ball. 5. Clea n t he m o use as fo ll ow s: Cl ean th e m ous e b all wi t h ta p w a te r a n d a m il d d e te rg e n t, th en dry i t w i t h a lin t - f ree c l o t h. Remove any dust and lin t f[...]

Mainte nance and Troubleshooting 4 -5 Probl e ms and Solu ti ons Probl em Sy m pto m Solution No powe r Powe r lamp on co mpute r does not light. Che ck that the powe r cord is plugge d into the AC conne ct or on the co mputer . Ch ec k t h at th e ot h er en d of t h e c or d i s plugged into a live properly grounde d AC powe r outlet. Che ck cab [...]

4-6 M a intenance and Troubleshooting Probl e ms and Soluti ons Probl em Sy m pto m Solution Co m pute r halts d uring loadi ng se quence. Po w er t h e c om p ut er of f. C h ec k f o r p r op er jumpe r settings, the n powe r on t he c om p ut er . Che ck cond ition o f selecte d boot load de vice (d iske tte o r h ard driv e ) fo r bad boo t tra[...]

Mainte nance and Troubleshooting 4 -7 Probl e ms and Solu ti ons Probl em Sy m pto m Solution Mode m board ma lfu n ct ion N o output from boa r d. Che ck interrupts (see Appe ndix C, “Syste m Resource s”). Che ck DM A channels (se e Se cti on 1, “Technica l Info rmation”) . Ke yboard or mou se ma lfu n ct ion M onit or has promp t, but can[...]

4-8 M a intenance and Troubleshooting Probl e ms and Soluti ons Probl em Sy m pto m Solution Disc t ray doe s not ope n. Syst e m power no t on. Turn on syste m powe r. Syste m powe r failed. Inse rt abou t an inch of a s traightene d pape r clip into the em er g en c y ej ec t ho l e, u nt i l t h e tr ay o p en s. Cannot acce ss CD-R OM/DVD drive[...]

Mainte nance and Troubleshooting 4 -9 Probl e ms and Solu ti ons Probl em Sy m pto m Solution Co mmunication e rror No or bad da ta whe n co mm un icating. Che ck cab le conne ctions be twe e n the syste m board and device . Ch ec k t h at th e i n t er f a c e p o r t i s s el ec t ed . Te st or replace the device and inte rface c a b l e (s ee t [...]

4-10 Ma inte nance and Troubleshooting CM OS B at tery R e pla cem e nt Re m o ve t he 3-volt li t hiu m batt er y f ro m the syst e m b o ar d as fol low s. 1. Turn o ff and un p lug the syste m uni t a nd any ext ernal opt i o ns co nnect ed to th e sy s tem . ! CA UT ION Rem ov ing t he batter y from the system boar d c ause s the com put er to [...]

Mainte nance and Troubleshooting 4 -11 5. Wi t h the posi t ive (+) si de facing up, pr ess the n ew batt er y in to t he s o cket. 6. Rep lace t he syst e m access co ver. 7. Co nnect ext er na l per iphera ls and po wer cables. 8. Run Setup to reco nfi gure s yst e m para met ers ( see Sect ion 2, “Setup Utili t y”).[...]

5 Disassemb l y and Reassembl y Di s a s s em bl y Il lust rat ed Parts B reakdown[...]

5-2 D i sa sse mbl y a nd Rea sse mbl y This sect i on co nt a ins step-b y - st ep disas se mb l y pro cedur es for the syste m uni t . Reassemb ly is the reverse o f disassembly. The pro cedur es are suppor t ed by sim plified dis assembly illustrat i ons to f acili tat e rem oval. A Phillips - hea d screwdriv er is th e only required too l . For[...]

Di sa sse mbl y a nd Rea sse mbl y 5- 3 ! CA UT ION W hen handli ng boards or chips, gr ound y our sel f t o rel ease st at i c . Disassembly Use the f o ll ow ing pro cedur es to di sass e mble the sy st e m uni t . Note : Unplug the power cord bef ore disassembli ng t he system uni t. V olt age is present i nsi de t he system unit ev en afte r th[...]

5-4 D i sa sse mbl y a nd Rea sse mbl y Removing a Boar d F r on t Panel Remo val R e mo v e t he fr o nt p a n e l fr o m t he s y s t e m u n it a s fo ll o w s . 1. Lo cat e t he t wo plast ic tabs at the f ro nt o f the ch a ssis. T hey are indicat ed by t wo arro ws engraved on t he chassis. 2. Press do wn o n t he two tabs an d press in a thi[...]

Di sa sse mbl y a nd Rea sse mbl y 5- 5 Side P an el R em oval Rem o ve t he side panel fro m the sys t e m uni t as f o ll o ws. 1. Re m o ve t he syste m acces s co ver and front pane l as previousl y descr ibed. 2. Locat e the t wo si de pa nel secur ing t abs at the f ro nt of the syst e m. 3. Pu ll the t abs ou t and awa y fro m the syst e m. [...]

5-6 D i sa sse mbl y a nd Rea sse mbl y Disk ett e Dr i ve R em o val Re m o ve t he standard disket t e drive fro m the syst em uni t as fo ll o w s. 1. Remove t he syst e m acces s co ver and front pane l as previousl y descr ibed. 2. Label a nd u nplug t he signal and power cables for the d i sket t e driv e. 3. Locat e the t wo clips at t he f [...]

Di sa sse mbl y a nd Rea sse mbl y 5- 7 Rem ovin g t he 5 1/4- In ch D evice S cre ws 4. S li de t he device out fro m t he front of the syste m uni t . Op tion al 3 1/2- In ch Hard Dr iv e Remo va l Rem o ve t he o ptional 3 1/2- inch hard drive as f o ll ows. 1. Re m o ve t he syste m acces s co ver and front pane l as previousl y descr ibed. 2. [...]

5-8 D i sa sse mbl y a nd Rea sse mbl y 4. S lide the 3 1/2-in c h hard dr ive bracket to war ds t he back of t he syste m uni t unt il i t is f ree of the m o l ded plast i c. 5. Re move t he screw o n the si de o f the hard dr ive secur ing i t to t he bracket . Rem o vin g the Se curing Sc r ew 6. S l ow ly pull the hard dr ive away f ro m the b[...]

Di sa sse mbl y a nd Rea sse mbl y 5- 9 Fa n As sem bly Rem ov al Rem o ve t he fan ass e mbly per t he f o ll o w ing steps. 1. Re move t he syst e m access co ver ( see Sect i o n 3, “Opt ion Inst a llat ion”). 2. At the rear o f the syste m uni t , pr ess in on t he t wo l o ck ing tabs secur in g t he asse mb l y to t he chassis. 3. Rem o v[...]

5-10 D i sa sse mbl y a nd Rea sse mbl y 4. At the back o f the syste m uni t , r e move the t wo screws secur in g t he po wer supply to the syste m uni t ( see t he fo ll ow ing fi gure). Removing the Power Supply Scre ws A – Pow er supp ly scre ws 5. Pu ll t he po wer supply o ut of the sys t e m uni t. Syst em Bo ar d Rem o va l Rem o ve t he[...]

Di sa sse mbl y a nd Rea sse mbl y 5- 11 Rem ovin g t he Syst em Bo ard Scr ew A – Syste m Board Screw 4. S lide the syst e m boar d to war ds t he fro nt of the uni t unt il is clear o f the meta l sh ie ld in g a nd t he a lig n me nt c lip s . 5. Lif t t he board o ut of the sy st e m at an angle. 6. If rep lac ing t he syst e m b oar d, r emo[...]

5-12 D i sa sse mbl y a nd Rea sse mbl y Illustrated Parts Brea kdown This sect ion conta in s t he NEC CSD part descri pt i o ns and the illustrat ed parts breakdown (IP B) figure for the Di rect i on SP B- S er ies deskto p an d mini t o wer co m put ers. The fo ll ow ing table and IPB li st s and illustr ates the field-rep laceab le part s for t[...]

Di sa sse mbl y a nd Rea sse mbl y 5- 13 Direc tion SP B-Series Desktop Field-Replacea ble Parts List * It em D escri p tion 17 3C509C-TX ne twork boa rd 18 Diske tt e d rive si gnal ca ble 19 IDE s ignal cab le 20 Cable, au dio int ernal , dual M PC 21 Mi c r os o f t I nt el li P oi nt mo u s e 22 Re tention mech anism k it 23a 350-MHz Pe nti um [...]

5-14 D i sa sse mbl y a nd Rea sse mbl y Direct ion S P B-Se ries D eskt op Illus trat ed Part s B reakd own * _______ * T h i s da ta w as p r epared A p r i l 19 99. Fo r an up- to -date listi ng o f s par e pa rts, please call F axFl ash SM at 1-888-329-0088 (or 1-91 6-379-4780 o utside the U .S.) and o r der do cume n t 4210 2343.[...]

Di sa sse mbl y a nd Rea sse mbl y 5- 15 The fo ll ow ing table and IPB li st and illustrat e t he fi e ld-rep laceable part s f o r the mini to wer com put er . Direct ion SP B -Se ries Min ito wer Fi eld -R epl aceab l e Par ts Lis t * It em D escri p tion 1 AC pow er ca ble 2 Microphone 3 M icro sof t In te lliPo in t Mo us e 4 Ke yboard, Ergo 5[...]

5-16 D i sa sse mbl y a nd Rea sse mbl y Direct ion SP B -Se ries Min ito wer Fi eld -R epl aceab l e Par ts Lis t * It em D escri p tion 21 Spe ake r, in te rna l 22a 6.4-GB ha rd dr ive, IDE UD MA 22b 10.2-GB ha rd dr ive, IDE UD MA 22c 14.5-GB ha rd dr ive, IDE U DMA 23a 32X CD-R OM d rive 23b 40X CD-R OM d rive 24 Iomega ATAPI Z i p drive 25 3.[...]

Di sa sse mbl y a nd Rea sse mbl y 5- 17 Direct ion S P B-Se ries Minit o wer Illus trat e d Parts Br eakdo wn * _______ * T h i s da ta w as p r epared A p r i l 19 99. Fo r an up- to -date listi ng o f s par e pa rts, please call F axFl ash SM at 1-888-329-0088 (or 1-91 6-379-4780 o utside the U .S.) and o r der do cume n t 4210 2343.[...]

A S y stem Specifications Pro ce ssor Random Acc ess Memory Read-Only Mem ory Video Memory Calendar Cloc k Input / Output Facil iti es Expansion S lots Keyboard and Mouse St orage Devi c es Devic e S lots Graphic s Sound S ystem Dimens i ons We i g h t Pow er Recomm ended Operat ing E nvironm ent[...]

A-2 Syst em Specif i cation s Th is sect i o n descr ibes s yst e m spec if icat i o ns. Processo r Micro pro cesso r  350 -MHz, 400- MHz, o r 450-MHz Pen t i u m II pro cessor or 500-MHz Pen t i um III proces sor Cl ock R a te 350 MHz in t ernally, 100 MHz F SB 400 MHz in t ernally, 100 MHz F SB 450 MHz in t ernally, 100 MHz F SB 500 MHz in t e[...]

Syst em Spe cific atio ns A-3 Read-Only Memory Fl ash R OM  2 Mbi t Video M e mory St andard vi deo m e m o r y  8 M B or 16 MB vi deo mem o r y on vi deo boar d Calendar Cloc k Year/Mo nth/Day/Ho ur/Minute/S econd/. 01 Seco nd; m ain t ained by batt ery backup Batter y T ype  R eal T ime Cl ock (R TC) b att ery Input/Output Facilities In [...]

A-4 Syst em Specif i cation s Expansion Slots I/O Bu s  PC I/ISA S ix exp a ns io n s lo t s One 8-/16-bi t ISA sl ot Three 32-bi t PCI s l ot s One shared ISA/PCI slot One A GP sl o t Keyboard and M ouse Ke ybo a r d  Windo ws 95 enhanced, PS /2- co mpatible Fu nc t io n K e ys  12 ke y s, capable of up to 48 f unct ions Status Lam p s ?[...]

Syst em Spe cific atio ns A-5  One accessible 5 1/4- inch device sl o t  Two 3 1/2-in ch device sl ot s; the l o wer 3 1/2-inch s lot is not access ible on the deskt o p m ode l Graphics Video Mem or y – 8 MB or 16 MB Diam o nd Stea l t h II G460 Graphi c s Suppo rt (wi th 8 MB of vi deo me mo r y) 1600 by 1200 p ixels, 256 colors 1280 by 1[...]

A-6 Syst em Specif i cation s Sound System The syste m board featur es t he Yamaha DS1-L PCI acce le rat o r and An a log Devices AD1819A SoundPort c o dec. The chi ps pro vide the f o ll o w ing features: 32-vo i ce XG wavet able 3D ster eo support f o r DirectX fu ll- d u p le x a u d io PC/PCI suppor t for l egacy DMAC em u lat ion. The opti o n[...]

Syst em Spe cific atio ns A-7 Recommended Operating Environment Te m peratur e  50 ° F to 9 5 ° F ( 1 0 ° C to 3 5 ° C) Re lat iv e H u mid it y  20% to 80%[...]

B Connector Pi n A ssi gnments Seri al I nt erface Connect ors Parall el I nt erface Connector Power Supply (P rim ary) Keyboard and Mouse Connect ors Front P anel Dis k ett e Drive Interf ac e Connect or IDE Int erf ace Connect ors DI MM S o ck e t s AGP Connec t or ISA Expansion B us Connect ors PCI Expansion Bus Connect ors Univers al S erial B [...]

B-2 Connec tor Pi n Assignm ents This appendix de scr ibes the syste m board conn ect o r pin assig nment s. The fo ll ow ing “Syste m Board Co nnecto r s” t abl e l ist s t he co nnector s and socket s o n the syste m b o ar d. T he table also cro ss- r efere nce s t he page numbers w here t he co nnecto r s and t he ir pinout s ar e descr ibe[...]

Connec tor Pin Assignments B-3 Syst em Board Expan sio n Slot , Mem ory, and I/O Conn ectors A – A GP Slot C onnecto r B – PC I Slo t Conne ctors C – Sh ared ISA /PC I Slo t Connect ors D – ISA S lot Co nnector E – D IMM S ocke t (Bank 2) F – D IMM Soc ke t (Bank 1) G – DIMM Socke t (Bank 0) H – D i skette Drive Conne ctor I – P r[...]

B-4 Connec tor Pi n Assignm ents System Board Internal Connectors Description Connector Nu mber CD-RO M Audio J2F 1 Au xi l i a r y Li n e- i n A u di o J 2 F 2 Tele phony J2F1 Fan 3 J3F2 Dis ke tte D rive J 8K 1 PC I IDE J8G1 , J7 G1 Fan 1 J8M1 Fan 2 J4M1 Powe r Supply J7L1 Syst em Bo ard C onn ector N um ber s an d Typ es Function Nu m ber Type P[...]

Connec tor Pin Assignments B-5 Serial Int e rface Connector s P in assign me nt s for the ser ial inter face po rt connecto r s are li st ed in the fo llo w ing t a b le . RS-232 C Serial Port Connector Pin Assignments Pin Signal Description 1 DCD Car ri er det ect 2 Ser i a l I n# Rec ei v e d a t a 3 S e rial Out# Tra ns mi t d a ta 4 DTR# Data t[...]

B-6 Connec tor Pi n Assignm ents Power S upply (Pr imary) Vo l t ages from the power supply are input to the sy ste m boar d t hro ugh t he pr imary po wer supp ly connecto r . The f o ll ow ing t abl e shows t he connecto r pin lo c a t io ns a nd p in a s s ig n me nt s. Primary Power Supply Connector Pin As signments Pin Signal Pi n Signal 1 +3.[...]

Connec tor Pin Assignments B-7 Keyboard and M ouse Connectors The keyboard and mouse use st andard P S / 2 co nnectors. Pin assignme nt s ar e g ive n in t he fo llo w in g t a b l e . Keyboard a nd Mouse Connec tor Pin Assignm ents Pin Keyboard Connec tor Mouse Connec tor 1 Ke yboard Data Mouse Data 2 No conne ction No conne ction 3 Gr ound Ground[...]

B-8 Connec tor Pi n Assignm ents Diskette D rive Interf ace Connector The fo ll ow ing t able prov i de s t he p in assignme nt s for t he d i sket t e drive in t er f ac e co nn ect o r. Diske tte Drive Connector Pi n Assignments Pin Description Pin Description 1 Gr ound 2 DENSEL 3G r o u n d 4R e s e r v e d 5K e y 6F D E D I N 7 Gr ound 8 FDI ND[...]

Connec tor Pin Assignments B-9 IDE Inte rface Connector All s ignal leve ls in the IDE interface are T T L com pat ibl e. A log ic 1 is a sig nal whose v o l t age l e vel is between 2.0 and 5.0 V. A log ic 0 i s a signal measur ing be t wee n 0.00 and 0.70 V . The t wo syst e m b oar d I DE connect or s ar e physically ident i cal. The fo ll ow in[...]

B-10 Connec tor Pin Assignments DIMM Socket s The fo ll ow ing t able prov i de s t he DIMM so cket pin assig nme nt s. DIMM Sock et P in Assignments Pin Description Pi n Description Pin Descr iption Pin Descri pt ion 1V SS 43 V SS 85 V SS 127 V SS 2 DQ0 44 NC 86 DQ32 128 CKE0 3 DQ1 45 S2 87 DQ33 129 NC 4 DQ2 46 DQM2 88 DQ34 130 DQM6 5 DQ3 47 DQM3 [...]

Connec tor Pin Assignments B-1 1 DIMM Sock et P in Assignments Pin Description Pi n Description Pin Descr iption Pin Descri pt ion 31 NC 73 V DD 115 RAS 157 V DD 32 V SS 74 DQ28 116 V SS 158 DQ60 33 A0 75 DQ29 117 A1 159 DQ61 34 A2 76 DQ30 118 A3 160 DQ62 35 A4 77 DQ31 119 A5 161 DQ63 36 A6 78 V SS 120 A7 162 V SS 37 A8 79 CK2 121 A9 163 CK3 38 A10[...]

B-12 Connec tor Pin Assignments AGP Connector Pin Assignments Pin Description Pi n Description Pin Descr iption Pin Descri pt ion A16 Vcc3 .3 B16 Vcc3 .3 A49 G r ound B49 G round A17 SBA3 B17 SBA0 A50 PAR B50 SERR# A18 Reserved B18 SB_STB A51 AD15 B5 1 C/BE1 # A19 Gr ound B1 9 Gr ound A52 Vc c3. 3 B52 Vcc 3. 3 A20 SBA5 B20 SBA4 A5 3 AD13 B5 3 AD14 [...]

Connec tor Pin Assignments B-1 3 ISA Expansion Bus Conne ctors The expa nsio n sl o t si g na ls, vo l t ages, and gro unds are supp lied thro ugh the b us co nnecto r s. The f o ll ow ing t able pro vides the pin assig n ment s for t he IS A expansi o n bus. ISA E xpansion Slot Pin Assignm ents Pin D irec tion S ign al Pin D irec tio n S igna l A1[...]

B-14 Connec tor Pin Assignments ISA E xpansion Slot Pin Assignm ents Pin D irec tion S ign al Pin D irec tio n S igna l A28 Input/Outp ut SA3 B28 O utput BALE A29 Input/Output SA2 B29 Po wer +5V A3 0 Inpu t/Ou tpu t SA 1 B3 0 Ou tpu t OSC A31 I nput/Ou tput SA0 B31 Ground Ground C1 I nput/Outpu t SBHE# D1 Input MEM CS16# (M16#) C2 I nput/Outpu t LA[...]

Connec tor Pin Assignments B-1 5 PCI Expansion Bus Conne ctors The expa nsio n sl o t si g na ls, vo l t ages, and gro unds are supp lied thro ugh the b us co nnecto r s. The f o ll ow ing t able pro vides the pin assig n ment s for t he PCI expansi o n sl o t s. PCI E xpa nsion Slot Pin Assignments Pin Si gnal Pi n Signal Pin Si gnal Pin Si gnal A[...]

B-16 Connec tor Pin Assignments PCI E xpa nsion Slot Pin Assignments Pin Si gnal Pi n Signal Pin Si gnal Pin Si gnal A29 AD20 B29 AD21 A60 REQ64C# B60 ACK64C # A30 Ground B30 AD19 A61 +5V B61 +5V A31 AD18 B31 +3.3V A62 +5V B62 +5V Universal Se rial Bus (USB ) Connectors The fo ll ow ing t able list s t he pin ass ig n ment s and signa l names for t[...]

C S y stem Resources IRQ Se tt in g s Syste m Re sour ce Info r m atio n Jum per S ett ings[...]

C-2 S y ste m Re sou rce s This sect i o n i ncludes inf o r mat i o n o n: system in terr upt request (IRQ) def aul t sett in g s viewing sys t e m reso ur ces jumper set t i ngs for t he syst e m b o ar d . IRQ Settings Th e f o l l owi n g s e tti n gs a r e th e de f aul t IR Q s etti n g s : IRQ 0 ( tim er) IRQ 1 (ke y b oard) IRQ2 (cascade in[...]

Syst em Res ou rces C-3 4. Do uble click Com puter . T he “Co mputer P ro pert i es” d ia log box appear s and d isplays t he “V iew Re so ur ces” fo lder. The “View Reso ur ces” fo l der s ho ws t he sy ste m resour ces used by y o ur co mputer. For example, it shows a list o f in t er r upt s and how t hey are all ocat ed. I f a n int[...]

C-4 S y ste m Re sou rce s Cle aring You r Pass word The fo ll ow ing describes how to clear y o ur s y st e m password ( s). 1. Tur n off t he po wer and un plug t he syste m and any per iphera ls. ! W A RNING Turn off t he system bef or e y ou change any j umper setti ngs. 2. Remove t he access co ver ( see “Access Co ver Remo val” in Sect i [...]

Syst em Res ou rces C-5 Re co v e ring th e B I O S The fo ll o w ing descr ibes how to r eco ver the s y s te m BIOS. 1. Turn o ff t he power and un plug t he syste m and any per iphera ls. ! W A RNING Turn off t he system bef or e y ou change any j umper setti ngs. 2. Remove t he access co ver ( see “Access Co ver Remo val” in Sect i on 3). 3[...]

Gloss ary 1 Glossary A access ti me The tim e period be tween t he supply of an acce ss signal an d the output o r acc e ptan ce of th e dat a by the add r e ssed sy ste m . Exam ple s are th e ac ce ss tim e s fo r DR AM s , SR AM s , ha r d dr i v es , a nd C D - R OM dr iv es . Ha r d dr iv e a c c ess t i m e is t h e time it take s f or a com [...]

2 Gloss ary AP M Ad va n c ed P o w er M a na ge me n t . An AP I d e v e l op e d b y I n t e l a nd M i c r os oft t ha t allow s develo p ers to in c lude powe r m ana geme nt in the BIOS. APM de f ines a laye r be tween the h a r dware and the ope ra ting sy stem th at effe ctively shield s the pro gram me r fro m hard w are de tail s. app lica[...]

Gloss ary 3 AV I A digital mov ie for m at created by Micro soft. AVI is sh ort f or “audi o/video i nt er l ea v e, ” a met h o d of i nc lu d in g a di g i t a l mo vi e a n d it s a c c o mp a n y i ng s ou n d i n the same f ile . File s in the AVI f orm at have the .AV I ex t ension . B bad sector P a r t of a har d dr iv e or dis k et t e[...]

4 Gloss ary bit Bina r y d i git . T he s ma l l est u n it of c omp u t er da t a . A s ing l e d i git a l p i e c e of in for mati on , gene ra lly re presen t ed b y the n umeral 0 o r 1. U sually the transition be t we en t he st ate s o f + 5V and -5V wi thin a co m pute r, th e ch arge of a t ran si st o r in an i n teg rated ci rcui t, o r [...]

Gloss ary 5 boot sect o r T he p a r t of t h e b o ot b l oc k t ha t c o nt a i ns t h e op er a t i n g s ys t em l oa d er , a p r ogr a m t ha t starts by itsel f and lo ads the operating system . bps Bi ts per se cond. The n u mber o f bi ts of data th at can be tra nsm itte d in one s econd . Be cause d a ta com pre ssion sche me s enable mo[...]

6 Gloss ary chassi s The me tal frame t o whi ch the electronic com p onents o f the com put er (such a s the sy st em boar d, powe r supply , a nd drive bay s) are attach ed. The chassi s goe s inside the sy st em unit cove r. checksu m A nu mb er , ca lcu la t e d f r o m a b l oc k of da t a , u s ed t o v er i f y t h e i nt e gr it y of t ha t[...]

Gloss ary 7 DIMM Dual I n line Memo r y Mod ule . Circui t bo ard wi th pin s conne cting to diffe r en t me mor y ch ip s o n b ot h s i des of t h e b oa r d, wh ic h a ll o ws f or wi der a nd f a s t er da t a transfe r (128-bi t). See SIMMs. DMA Dir e c t M e mor y Ac c ess . A met h o d f or tr a nsf er r in g da t a , us u a lly b et w ee n [...]

8 Gloss ary EIDE Ex t e n d e d I nt egr a t ed Dr i v e E l e c t r o ni c s . T he E I D E s p ec if i c a t io n is a n e n ha nc e d ve rsion of IDE th at allow s for faste r transfe r rates an d supports la rge r hard d rive size s enha nce d VGA A vid eo in t e rface th at o ffe rs mo re colo rs o r h i g he r re so l ution th an V GA . EPP E[...]

Gloss ary 9 H hertz ( Hz) A unit o f f requency eq ua l to one cycle p er se cond. hexad ecimal A numbe r system th at uses 16 as th e ba se. (Pl ace value indic at es powe r s of 16.) It use s the digits 0- 9 and A-F. Use d around com puters be caus e a by te (eight bi n ar y dig its) e asily conve rts to a tw o digit he xa decim al numb e r. H ex[...]

10 Glos sary IRQ I n te rrup t Req u e st. A sig n al th at, wh e n r ece ived b y t he CPU, m ake s i t s to p w h at i t i s going to do som ething else. An in t errupt is a w ay in wh ich a particul ar dev ice in a com put er com munic ates wi th the CPU. PCs h ave 16 IRQ li nes th a t can be assigne d to diffe r ent de vices (fo r exam ple , pr[...]

Glos sary 11 micro pro cesso r A s emi conduc t or cen tral proce ssing unit th a t is the pr incipal com ponent o f a mic rocompute r. Usuall y contained on a single c hip that in cludes an arithm etic logic un it , cont r o l l o g ic , a nd c o nt r ol - memor y u nit . MIDI Musi cal In stru men t Digital In t erface. An inte rface fo r conne ct[...]

12 Glos sary P page A type of me ssage tra nsmission in whic h a m essage is se nt or re ceive d via modem to a paging devi ce f r om a com puter (wi t h paging comm unication s softw a r e) o r tele p hone. paral l el interf ace I n t erf ace t h at c om muni cate s eig ht bi ts at a t im e . par alle l pr i nter A pri n te r w i th a p a ral le l[...]

Glos sary 13 printe r p ort Nam e assigned t o the par a lle l po r t by the Window s operating sy st em . A se cond paralle l devi ce is assig ned LP T 2 (if the r e is ano t her paralle l po rt). Al so called the prin t er port. pro cessor I n a com puter, a f unc tion al uni t th at in t erpre ts and e x ec utes in struction s. prom pt A sp eci [...]

14 Glos sary serial p rint er A pri n t e r wi t h a s e rial i nte rface . SGRA M Synchrono us Graphi c Random Access Mem o r y. A ty pe of DRAM use d i nc r ea s in g l y o n vi d e o a da p t er s a nd gr a p hic s a c c el er a t or s . L i k e S D R AM , S G R AM can syn c hronize its elf with the CPU bus cl ock at speed s of up to 100 MHz . I[...]

Glos sary 15 system bo ard Th e m ain printed ci rcuit bo a r d in s ide the sy stem unit in t o whi ch o ther bo ar ds and m ajor ch ip com ponen ts, such as the sy stem microproce ssor, are co n nect ed. T tpi Trac k s p e r in ch. track Any of m any concen tric circular re gions on a disk f or sto ring data. Track s are di vi de d i nt o s ect o[...]

16 Glos sary VRA M Video RA M. VRAM i s spe cial-purpo s e mem ory used by video adapters. Un like conven t ional RAM, V RA M can be accesse d by two different devi ces sim u ltan eo usl y . Th i s en able s a v ide o adap te r to acc es s th e V RA M fo r sc ree n upd ates at th e same time that th e CPU provide s new data. V RAM yield s bette r g[...]

Index-1 A Address e s I/O, 2-7 AGP ape rture si ze , 2-1 1 chi pset, 1- 6 connec tor pin assignme n ts, B-11 A WE64D PCI sound bo ar d, 1-10 B Batte r y CMOS, 1-7, 2-2 , 4-10 r emo va l, 4 - 1 0 Bee p codes de scriptions, 4-9 BIOS, 1-6, 1-7 re cove ry , C- 5 Boo t device , 2-14 Bo ot M enu , 2- 1 3 C Cabl e s diske tt e d r ive , 3-14 IDE si gnal ,[...]

Index-2 cabling , 3-14, 3-16 connec tion , 1-9, 1-10 in stalling, 3-17, 3-19, 3- 23 jum pe r setting s, 3-12 removing CD-ROM/DV D d rive, 3-18 seq uence, 2-14 support, 1-9, 1-10, 3- 11 E Ex p a ns i on b oa r ds bus, 1-6 in stalling , 3-5, 3-6, 3-8 removing , 3-8, 5-3 slo t location s, 3-6 slo t sp eci fication s, A -4 Exte r n al o ption s paralle[...]

Index-3 in stalling DIMMs, 3-11 m ap, 1-6 removing DIMMs, 3-10 sam ple c onfig uration s, 3-9 so ckets, 3-9 support, 3-8 upgrade , 3-8 Men u Advanced, 2-7 Boo t, 2-13 DMI Even t Logg ing sub men u, 2-11 Exit, 2-15 F l op p y op t i ons s u b m e nu , 2 - 1 0 Har d d r ive submen u, 2-14 IDE Co n figura tion sub men u, 2-8 Main , 2-6 Main se tup, 2-[...]

Index-4 Re pai r disassem b ly, 5-2 S Second ar y IDE c onne ctor, 3-14 Se c uri ty Men u, 2-12 passwo rd cle ar ing , C-4 Se rial po rts, 1-9, 2-7 connec ting to, 3-26 connec tor pin assignme n ts, B-5 Se tting s IRQs, C -2 Se tup utili ty Advanced Men u, 2-7 a u di o, 2 - 8 Bo ot M enu , 2- 1 3 boo t seq u ence, 2-14 con figuring pe riphe rals, 2[...]

Index-5 fan assem bly, 5-9 fron t panel, 5-4 powe r supply , 5-9 side pa nel, 5-5 stand ard 3 1/2-i nch h ar d d rive, 5-8 sy st em boar d, 5-10 T Tech nical suppo rt, 4-4 Tele p hone n u m b e rs te chnical support and spar e pa rts, 4-2 Trouble shooting , 4-4 beep c ode s, 4-9 CMOS batte r y repl aceme nt, 4-10 diagno stic s, 4-4 pr ob l e ms a n[...]

(F or U nit ed St ates U se On l y) Federal Comm unica tions Commission Rad i o Frequ en cy Int er fer en ce Statem ent WARNING: Change s o r modi fication s to thi s unit no t e xpr e ssly approved by the party re sponsi ble fo r com pliance could void the user’s auth o rity to o perate the equipme n t. NOTE: Thi s e quipme n t h as been teste d[...]

Bat tery Rep l acem ent A li thi um batte r y in some com put e rs m aintain s sy st em c onfig urat ion inform ation. In the even t th at the batte ry fai ls to m aintain system c onfig uration in formation , NEC recom me nds th at yo u r e place t he b a t t er y. F or ba tt er y r ep la c e ment i n f or ma t i o n, s e e S ect i on 4 of t his m[...]

NEC C om put er S yst ems D i visi on P ackard B ell N EC , Inc . 1 P ack ar d B ell W ay Sa crame n to, CA 95 828- 0903 www. n ec-c ompu t ers.c om 102343S RV 4/99[...]