NECメーカーPowerMate VT 300iの使用説明書/サービス説明書
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First P rin ting — May 1999 Copy right 1999 NEC Com puter Syste ms Divi sion Pa ck ar d Bell NEC, Inc. 1 Pa cka r d Bell Wa y Sacramen to , CA 95828-0903 All Ri gh ts Re s erve d Proprieta ry Noti c.
Contents iii Contents Pre f ace ............................................................................................................................. xi A bbre vi atio ns ........................................................................
iv Contents In trod ucing OS Re sto re Op tion s .............................................................................. 2- 19 Ch oo sing a Re sto re Pro g ram ................................................................................... 2-1 9 Laun chi ng the NEC O S Re sto re CD .
Contents v Se tting Wake -On LA N.................................................................................... 4- 7 U pgrad e So cke ts ....................................................................................................... 4-8 Pro ce ssor So cke t .
vi Con tent s Tech nical Suppo rt Se rvice s ....................................................................................... 8-3 Pro d uc t In form atio n ........................................................................................
Co ntent s vii De termi ning IDE De vi ce Com pati bili t y .................................................................. A -1 0 Ne w Sy stem Board Jum p e r Se tting s ............................................................................ A- 10 In t el Proce sso r Se rial Num be r Con trol U tili ty .
viii Cont ents List o f Fig ures Po we rMate VT 300 i Se r ies Sy st em C o mpo nents ................................................................................. 1-2 Po we rMate VT 300 i Se r ies Sy st em F ron t Vie w ..........................
Contents ix R eso lutio ns f o r 15 an d 1 7 I nc h N EC Vis taSc a n U SB Monito rs .......................................................... 2-28 Po we rMate VT 300 i Se r ies Dis ass emb l y Se qu enc e ............................................
Pr e face xi Preface This m a nua l co nt a ins techni c a l infor m at i o n for servicing and repai r ing the NEC PowerMa t e ® VT 300i Ser ies co mputers m a nufact ured by NEC Co m put er S yste ms D ivisi o n, P ackar d Be ll NEC, Inc.
Abbreviations xiii Aa m p e r e A C al tern at i ng curren t ACK ackn o w ledge A GP accelerat ed graphics port ASIC app li cat ion-spe cific in t egr at ed ci r cu i t AT advanced t echno log y (IBM .
xiv Abbreviations GB g i ga by t e GND gro und HEX hexadec imal HGA Hercu les Graphics A dapt er Hz hertz IC in t egr at ed ci r cu i t ID i den t if i cati on ID E i n tell i gen t de vi ce el ectr oni cs IDTR i nterrupt descri pt o r t abl e regi ster in .
Abbreviations xv r m s r oot m ean square ROM read- only mem or y rp m rev o l ut i o ns per mi nut e RT C r e a l-t ime c l o c k R/W read/ wr i t e Ss l a v e SCSI S m all Co m put er System In t erf ace S D RA M s yn c hr o no u s d yna m ic r a ndo m access mem o r y S.
1 S y stem Overv ie w Confi gurations Features Com ponents.
1-2 Syst em Overvi ew This sect i o n prov i de s an overview o f the NEC Power Mat e V T 300i Seri es microto wer co m put er s y st e m co nfigurat ions. The sect i o n hig hlight s s yst e m hardware features, co mputer front , back, and insi de feat ures, and syst e m secur it y featur es.
Syst em Overv iew 1-3 The fo ll ow ing table lis t s t he PowerMat e VT 300i ser ies sys t e m confi gurat i o n. Power Mat e VT 30 0i Ser ies S yst em C onf igurat ion Co m ponent Descript ion Syste .
1-4 Syst em Overvi ew Power Mat e VT 30 0i Ser ies S yst em C onf igurat ion Co m ponent Descript ion Tape B ackup Dr ive** Se agate Travan 4 /8-GB Tape Back up Device LS-120 D rive** I m at i on ® S.
Syst em Overv iew 1-5 D i sk ett e drive — copy dat a files t o and from a diskett e o r as a bootable dr ive f o r load ing and start ing pro gr am s fro m a d iskett e.
1-6 Syst em Overvi ew Power M at e VT 30 0i Ser i es Sys t em Rear Vi ew A – Power Socket I – L ine In Ja ck B – Vo ltage S elector S witch J – Mic rophone In Jack C – M o us e P o r t K –.
Syst em Overv iew 1-7 Ser ial po r t s — Seri a l port 1 (COM1) an d ser i a l po r t 2 (COM2) all o w t he co nn e ct ion of ser ial devices w ith 9-p in connecto rs.
1-8 Syst em Overvi ew The ins i d e o f t he syste m has t he foll o w ing feat ures: s ys t e m bo ar d w it h c o nne ct o r s fo r t he Ce l e r o n o r P e nt ium p r o c es s o r s i ng le edge co nt act (S.
Syst em Overv iew 1-9 Components The maj or s yste m co mponents ar e lis t ed in the fo ll o w in g t able, along wi t h the page number where each co m po nent is briefly descr ibed.
1-10 Syst em Over view Disk ette D ri ve A si ng le diskett e driv e is support ed i n the syste m. The insta lled 1.44-MB 3 1/2-inch diskett e driv e is connect ed by a ribb o n cable wi t h three co nnecto r s. The d isket t e driv e ca ble p lugs d irect ly into t he sy st e m boar d.
Syst em Overv iew 1-1 1 M ouse Th e sy stem shi ps wi t h a Mi crosof t I nt e lliMo u se PS/2-co m pat ibl e mouse o r a Lo gite c h PS/2-co mpat ible m o use as st andard equipme nt . T he m o use has two butto ns and a cursor contro l wheel .
1-12 Syst em Over view Fa x/Mo dem B oar d So m e syst e ms come wi t h a f a x/ mode m boar d pr eins t a l led. T he boar d oper ates as a fax syste m a nd data mode m according to the o per at ing sy st e m and sof t ware ins t a ll ed.
Syst em Overv iew 1-1 3 The tape backup uni t in st a ll s in a 5 1/4-inch accessible s lot . The insta lled tape backup uni t i s co nnect ed to an IDE cable that co nn ect s to the syste m b oar d. The PCI/IDE channel , a nd the master/s l ave configurat i o n of the uni t depe nd on t he specific co nf igurat i o n of the syste m .
2 S y stem Confi guration Int errupt Requests Jum per Se ttings BIO S Se tup Video Modes Utilitie s.
2-2 System Configura ti on This sect ion pro vides inf o r m at i o n for co nfi gur ing the syst e m . T he sect ion includes: syste m in t err upt r equest (IRQ) assi g nments syst e m j u mper sett.
System Configura ti on 2 -3 Interrupt Lev el Assignments* Inte rrup t P rio rity Inte rrup t D evic e NMI I/O Channe l Che ck IRQ0 0 Sy ste m Ti m e r IRQ01 Ke yboard IRQ0 2 Pro gra mma b le In terru .
2-4 System Configura ti on Seri al Port Inte rrupt s The in t err upt s f o r serial port 1 and s er i a l po rt 2 are giv e n in the f o ll o w ing tabl e. Any in t er r upt s used for the buil t - in ser ial port s ar e not avail a ble for I SA para llel ports .
System Configura ti on 2 -5 Syst em B oar d Jum per S ettin gs The syst e m bo ar d has four j u mper bl o cks: Pr o cesso r /Bus S peed jumper bl o ck SW 1, Po wer On Mode jumper bl o ck JP1, C l ear CMOS j u mper bl o ck JBAT1, and Wa ke-Up o n LAN j u mper bl o ck JWOL.
2-6 System Configura ti on Po wer On M o de jumper JP1 i s a t wo-pin bl o ck f o r sett ing how the sys t e m po wers up. Dependin g o n the jumper settin g, t he sy ste m powers up when the po wer butto n is pressed o r when t he power cor d is co nn e ct ed.
System Configura ti on 2 -7 Maxt or IDE H ar d Driv e J um per S etti ng s The facto r y sett ings f o r t he j u mpers o n t he Maxto r IDE hard dr ive are show n in t he f o ll o w ing t able. T he sett in g s are for a single drive inst a lled in t he syste m .
2-8 System Configura ti on Lite-O n 32X C D -ROM D ri ve Jum per S ett in gs The facto r y set t in gs f o r t he jumpers o n t he Lite-O n 32X CD-ROM dr iv e ar e show n in the fo ll o w ing table. T he dr ive is set as the mast er device on the seco ndar y c ha nnel.
System Configura ti on 2 -9 BIOS Setup Utility The AMI BIOS Se t up utili t y pro gr am is used to confi gure t he m a in co m po nents o f the com put er. The co m put er ships fro m the facto ry wi t h t he co r r ect syste m paramet er s for the co nfiguration.
2-10 Sy stem Configurati on How to Use BIOS S etup Use t he keys s ho wn o n t he botto m of t he Main menu to make y o ur se lections o r exi t t he current m e nu. T he fo ll ow ing table describes t he n a vigat ion keys . Navig ation K eys Key Function Es c Ex its the me n u .
Syst em Con figu ration 2-11 Main Menu Item s Men u I tem Se ttin gs (de fau lt i s bo ld ) Cache RAM This fie l d is read-only a nd canno t be changed fr om the BIOS Setup ut ility . Exa m pl e: 128 KB Total Me m ory This field is re ad-only and cannot be change d from the B IO S Se tup ut ility .
2-12 Sy stem Configurati on Main Menu Item s Men u I tem Se ttin gs (de fau lt i s bo ld ) Typ e None, CD- ROM, I DE Re m ov a bl e, Us er, ATAPI Removabl e, Auto De faul t s to D isabled and change s at b oot time based on au to- de tec tion.
Syst em Con figu ration 2-13 Ad va nc ed Menu The A d va nced Menu is a top- level menu in the BIOS Set up u t ili t y . C hoo se the Ad va nc ed Me nu b y s e le ct ing Ad va nc e d in t he leg e n d ba r . Advanced Me nu opt ions ar e avai lable by se lect ing submenus.
2-14 Sy stem Configurati on Adva n ce d Menu - Advanced CMOS Setup Men u I tem Se ttin gs (de fau lt i s bo ld ) Qu ie t Bo o t Enabl ed , Di s a bl ed W h en E n a bl ed, di s pl a ys th e NE C sp l as h s c r een , wit h set t i ngs f or disp lay ing P OST o r e nte ring the BI OS s e tup .
Syst em Con figu ration 2-15 Adva n ce d Menu - Power Mana gement Setup M e n u I t e m S e t t i ng s ( d e f a u l t i s b o l d ) Susp e nd Ti m e O ut ( M i n u t e s ) D i sab l ed , 1 , 2 , 4 , .
2-16 Sy stem Configurati on Ad vanced M enu - PCI /Plug and Play Setup Men u I tem Se ttin gs (de fau lt i s bo ld ) Plug and Play Awar e O/S No for W in N T, Ye s for Win 9x Se lec t Ye s if the sys te m ’s o pe rat ing sy ste m is P lug an d Pla y c omp lia nt.
Syst em Con figu ration 2-17 Adva nce d Menu - Peripheral Setup Men u I tem Se ttin gs (de fau lt i s bo ld ) Para ll el Port IRQ P aral lel p o rt 7 Se tt i ng de pends on se t ti ng of P arallel P ort Mode . If not se t at au to, you can se l ect the in t errupt line for the onbo ard pa rallel port.
2-18 Sy stem Configurati on Exit M enu T he E x it Me nu is a t o p- le ve l me nu in t he B I O S S e t up ut il it y. C ho o se t he E x it Me nu b y s e le c t ing E x it in t he le g e nd b a r . Exit Menu o pt i o ns are ava ilable by select ing submenu s.
Syst em Con figu ration 2-19 Pr ess Enter . 5. At t he message EPROM progr amming is ready t o start, ty pe Y (wi t h o ut parenthes is) to co n t in u e. After t he upgrade co m p letes, r em o ve the diskett e. 6. Re bo ot the syste m a nd st ar t t he Set up program.
2-20 Sy stem Configurati on The o per at ing syste m and f a cto ry-shipped dr ivers ar e a l wa ys resto r ed regar dless of wh i ch p rogr am wa s ch os en .
Syst em Con figu ration 2-21 See o ne o f the fo ll o w in g s ect i o ns to co nt inue wi t h t he rest or e. “Auto Rebuild and R est o re” “Custo m R e build and R e st ore” “Fixing t he Operat in g S y st e m” Aut o R eb uil d a nd R estor e Refor mat and repart iti o n t he hard dr iv e as fo ll o w s.
2-22 Sy stem Configurati on 5. C lic k Cont inue . The f o ll o w ing st eps sho u l d t ake place. Sy ste m p erf orm s F DI SK . Sy ste m reb oots . Part iti o ns are for matt ed. OS and drivers load from the CD. The “Operat in g S yst e m Re st o re Completed” scr een appears whe n al l fi les ha ve bee n r est o r e d.
Syst em Con figu ration 2-23 C lick Fu ll t o do a fu l l ha r d d r ive fo r mat . C lick Exit to termi nat e t he restore pro cess. 4. Af t er y o u se l ect t he t y pe o f hard dr ive f o r m at y.
2-24 Sy stem Configurati on Part iti o ns are for matt ed. OS and drivers load from the CD. The “Operat in g S yst e m Re st o re Completed” scr een appears whe n al l fi les ha ve bee n r est o r e d. 9. Re m o ve t he CD f ro m t he CD tra y. 10.
Syst em Con figu ration 2-25 This co m p letes t he OS Resto r e (or “Fix OS”) pr o cedur e. T he sy st e m is n o w in a st at e where dat a can be backed up. S y st e m sett in g s previous ly locat ed in the C:W INDO WS di re ct ory are no w in a backup di rect o ry C: WINDOWS.
2-26 Sy stem Configurati on La unch in g t he A p pl ica ti on a nd D ri ver CD Use t he Applicat ion and Dr iver CD to inst a ll app l icat ions, dr ivers, ut ili t ies, Int er net bro wsers, and the o nline NEC He lp Center . ! CA UT ION Do not selec t and install driv ers f or any hardware that i s not current l y i nstall ed on the system .
Syst em Con figu ration 2-27 3. C lick Insta l l t o ins t a ll t he se lec t i o n. Fo ll o w t he o n-scr een inst r uct ions to insta ll t he se lect ion. 4. C lick Exit to close t he Applicat ion an d Dr iver I nst a llat ion Utili t y dia log bo x.
2-28 Sy stem Configurati on Resolutions for NEC VistaScan USB Monitors The fo ll ow ing table lis t s t he support ed res o lut ions f o r NE C Power Mat e Seri es syste m s w i t h 15- in c h and 17-inch NEC Vi staScan ™ USB m oni t o rs.
Syst em Con figu ration 2-29 Intel Pro cessor Ser ial Number Control Utility The Inte l Pr o cesso r Serial Nu mber Co ntro l ut il i t y is a Windows pr o gr am that en a bles or di sabl e s the readi n g of the Pen t i um III pr oces sor s eri a l num ber b y software.
2-30 Sy stem Configurati on Pro ces so r Seri al Nu m be r Th e In te l proce ss o r s eri al num ber, a ne w f eature o f the Pen ti um III proces so r, i s an ident ifi er f o r t he processo r.
Syst em Con figu ration 2-31 Do es I ntel track ser ial num bers? Gene ra lly not, other than rel at ed to the m a nufact ur ing process. Intel do es n o t, in t he absences o f advanc e and expres s co nsent o f a user, co ll ect seria l number dat a whi c h is otherw i s e i de nt ified with a user.
3 Disassemb l y and Reassembl y Sys t em Unit Cover Removal Expansion B oard Removal AGP B oard Removal Front P anel Removal Bl ank P anel and Metal Shi el d Removal DIMM Module Rem oval Proc essor Ca.
3-2 Di sa sse mbly a nd R ea sse mbl y This sect ion cont a in s st ep- by - st ep disasse mb ly procedur es for t he sy st e m uni t . A sim p lified disassembly illustr at i o n is pro vi ded w ith m o st pro cedur es. Section 5 includes a part s li st and an illust r ated part s breakdo wn sh o w in g an exploded view of the syste m .
Di sa sse mbly a nd R ea sse mbl y 3 - 3 ! CA UT ION Bef ore handli ng boards or chips, gr ound y our sel f to rel ease st at i c . System Unit Cove r R emoval The fo ll ow ing subsect ions describe how to rem o ve and repl ac e t he sy st e m uni t lef t side co ver and r i g ht s ide cover.
3-4 Di sa sse mbly a nd R ea sse mbl y Removi ng the Left S i de Cover A – Le ft S i de Cove r C – Han dl e B – Th umb Sc rews D – L ock Tab Re pla cing th e Le ft Si de Co ver Rep lace t he lef t s ide co ver as f o ll o w s. Note : To prevent dam age to system cables, car ef ully positi on t he cabl es out of t he pat h of t he c ov er .
Di sa sse mbly a nd R ea sse mbl y 3 - 5 Replac i ng the Left Side Cover A – Ta b Slo ts C – Chassis Rail B – Le ft S i de Cove r D – L ock T ab 6. Rep lace t he t wo t humb screw s, and inst a ll t he secur i t y l o ck ( if used) . 7. Reco nnect a ll e xt er nal per i p herals.
3-6 Di sa sse mbly a nd R ea sse mbl y Removing t he Right Side Cover Re m o ve t he ri g ht side cover as fo ll o ws. ! W A RNI NG Bef ore removing t he right side cov er , t ur n off the power and unplug t he system power cabl e. Power is rem oved only when the power cabl e is unpl ugged.
Di sa sse mbly a nd R ea sse mbl y 3 - 7 Repl aci n g the Ri gh t Si de C ov er Rep lace t he r ight si d e co ver as fo ll o w s. 1. Po si t i o n t he r i g ht si de co ver o ver t he chassis, abo ut a half-inch fro m t he fr o n t p a n e l.
3-8 Di sa sse mbly a nd R ea sse mbl y Expansion Board Remova l Re mo v e a n y in st a lle d e xpa ns io n bo ar d ( s ) a s fo llo w s. 1. Rem o ve t he l e f t s i de co ver (see “Re mo v ing t he Lef t S i de Co ver” ear li er in t h is s e c t io n) .
Di sa sse mbly a nd R ea sse mbl y 3 - 9 AGP Board Remov al Re m o ve t he A GP bo ar d as fo ll o w s. 1. Re m o ve t he l e ft s ide cover (see “Re m o v ing t he Lef t S i de Co ver” ear li er in t h is s e c t io n) . 2. Rem o ve t he screw h o lding the A GP board in its expansi o n sl o t .
3-10 Di sa sse mbly a nd Re a sse mbl y Blank Panel and Me tal Shi eld Removal Rem o ve t he blank panel fro m t he f ro nt panel and the m et a l sh ield co vering the access ible device bay as fo ll o w s. 1. Re m o ve t he f ro nt pane l (see “Fro nt P ane l Re mo va l” ear lier in this sect ion).
Di sa sse mbly a nd R ea sse mbl y 3 - 11 DIMM M odule Removal Re m o ve a DIMM modu le fro m t he syste m b o ar d as fo ll o ws. 1. Re m o ve t he l e ft s ide cover (see “Re m o v ing t he Lef t S i de Co ver” ear li er in t h is s e c t io n) .
3-12 Di sa sse mbly a nd Re a sse mbl y Re movi ng the C eleron or Pen tiu m III Pro cesso r Cart ridge Rem o ve the Cel eron proce ss o r ca rtri dge or th e Pen t i u m III proces so r car tri dge f ro m the universa l retent i o n mechanism and system board as foll o w s.
Di sa sse mbly a nd R ea sse mbl y 3 - 13 Removing the Celeron or Pentium III P rocessor Cartridge A – L ocking Leve r C – P r ocessor C artridge B – Un iversa l Re tention Me chanism 10.
3-14 Di sa sse mbly a nd Re a sse mbl y 2. Align t he rep l ace me nt car tr idge wi t h the to p o f t he ret ent ion m ec hanis m so t hat the n o t ch in t he cart ridge connecto r ali g ns w i t h t he key in t he S lot 1 co nn ect or .
Di sa sse mbly a nd R ea sse mbl y 3 - 15 Re movi ng t he Pent ium II Process or Cart ridge Rem o ve t he Penti u m II pro cesso r cartri dge f ro m its S lot 1 socket and uni versa l r e t en t io n me c h a n is m o n t h e s y s t e m b o a r d a s fo llo w s .
3-16 Di sa sse mbly a nd Re a sse mbl y Removing the Penti um II Processor Cartridge A – L ocking Leve r D – R ete nt ion Me chanism B – P rocessor Cart ridge E – S yste m Board C – L ocking Leve r F – Top B ar 8. Stor e t he processo r cartr idge in a n ant i st at ic bag.
Di sa sse mbly a nd R ea sse mbl y 3 - 17 ! CA UT ION Using the wrong heat si nk or no heat sink can dam age the processor, sy stem board, or bot h. Ensure t hat the repl ac em ent processor cart r i dge has the cor r ec t heat si nk (ref er t o the document ati on that com es with the proc essor).
3-18 Di sa sse mbly a nd Re a sse mbl y 5. For syst e ms using t he to p bar , inst a ll it as fo llows. ! CA UT ION Use cauti on when i nsert i ng the t op bar to prevent damage t o the pl asti c clips on the DI M M socket. In s er t th e b a r in to i ts pi n s on th e re ten ti on m ech an i sm an d th e h ea t si n k .
Di sa sse mbly a nd R ea sse mbl y 3 - 19 Rem ovin g a 5 1/ 4-Inch D evic e A – Sc rews B – De vi ce 3 1/2-Inch Hard Drive Removal Rem o ve a 3 1/2- in c h hard drive as f o ll o ws. 1. Remove t he lef t s ide cover and front panel (see “R e mo ving t he Lef t Si d e Co ver” and “Fro nt Panel R e m o val” earlier in this sect ion).
3-20 Di sa sse mbly a nd Re a sse mbl y Rem oving the H ard Dri ve A – Sc rews B – Top B r acket 3 1/2-Inch Disket te Dr ive Remov al Rem o ve t he 3 1/2-in c h d iskett e driv e as f o ll o w s.
Di sa sse mbly a nd R ea sse mbl y 3 - 21 Power Supply R emoval Rem o ve t he po wer supply as fo ll o ws. ! W A RNI NG Bef ore removing t he system unit c ov er s, turn off t he power and unplug t he system power cabl e. Power is rem oved only when the power cabl e is unpl ugged.
3-22 Di sa sse mbly a nd Re a sse mbl y System Board Removal Re m o ve t he syste m b o ar d as fo ll o ws. 1. Ensure t hat all e xt er nal ca bles ar e d i sco nnect ed from the rear o f the sy st e m. 2. Re m o ve t he l e ft s i de co ver ( see “Re mo v ing t he Lef t S i de Co ver” ear lier in t h is s e c t io n) .
Di sa sse mbly a nd R ea sse mbl y 3 - 23 CM OS Ba tte r y Re mo va l Re m o ve t he 3-volt li t hiu m batt er y fro m the syst e m boar d as foll o w s. 1. Turn o ff and unplug the sys t e m uni t a nd any exter nal options connect ed to th e sy s tem .
3-24 Di sa sse mbly a nd Re a sse mbl y 4. Press do wn o n the b at t er y cli p to re lease t he batt ery fro m i t s so cket . Removi ng the Battery A – Ba ttery B – C lip 5. Re m o ve t he batt ery a nd discard in accor dance w i t h the manufactur er ’s ins t r u ct io ns.
4 S y stem Board Connect ors, Jum pers, and So ck et s Com ponents Resourc es.
4-2 Syst em Board This sect i o n descr ibes the locat i o ns of connect o r s, jumpers, and so cket s o n t he syste m boar d, in c lud ing external cable connector s, in ter nal boar d conn e cto rs, jumper l o cat ions, and upgrade sockets.
Syst em Board 4-3 Inte rna l C onne ct ors an d S ocket s Locat ions of the inter nal co nnect o r s and so ckets o n the syste m b o ar d ar e sho w n in t he fo ll ow ing figure.
4-4 Syst em Board Locat ing Sys tem Boar d Ju m pers A – Pow er On Mode Jumpe r JP1 C – C le ar CM OS Ju mpe r JBAT 1 B – Pr o c es s o r/ B us S p eed J um p er s SW 1 D – W ake-On LAN J umper J W OL Changi ng Processor Spee d To change pr o cesso r speed, t he syste m must be jumpered for t he co rrect pro cesso r/bus speed.
Syst em Board 4-5 Proc ess or Ju mp er S ettin gs 5. Rep lace t he l e ft s ide cover (see “Repla c ing the Left Side Cover” in Sect ion 3). 6. Co nnect s y st e m po wer cabl e s and e xt er na l opt i o ns. 7. Pow er on th e sy s tem an d r u n th e B IO S Se tup u ti li ty to ch ec k th e co nfigurat i o n of the syste m .
4-6 Syst em Board 4. S e t jumper JP 1 as fo ll o ws. Set the j u mper o n pi ns 1 and 2 to all o w s ys t e m boo t up wh en t he power butto n is pressed. Re mo v e t he ju mp e r fr o m p in s 1 a nd 2 fo r imme d ia t e s yst e m bo o t u p when the power cor d i s plugged into a p o wer source.
Syst em Board 4-7 8. Co nnect syste m po wer cables and ext er nal opt ions. 9. Power on the sy ste m . 10. Run the BIOS S et up u t ili t y t o check the co nfigurat ion or to set a new password (see Secti o n 2).
4-8 Syst em Board Upgr ad e So ck ets The syste m bo ar d has the f o ll o w ing upgrade socket s: pr o cesso r so cket DIMM so ck et s. See t he f o ll o w ing paragraphs f o r so cket descri pt i ons. Processor Socket The processo r Sl ot 1 socket i s des i g ned for eas y pro cessor upgradeabili t y t hro ugh use o f a Single Edge Contact (S.
Syst em Board 4-9 Supporte d DIMM s DIMM Size Non- ECC Confi gurati on 16 MB 2 Mbit x 64 32 MB 4 Mbit x 64 64 MB 8 Mbit x 64 128 MB 16 Mbit x 64 Sam ple DI MM Up gr ade P ath s* To tal Me mo ry DI MM .
4-10 Syst em Board Components The syst e m bo ar d has t he f o ll o w ing feat ures: Inte l 82443Z X AGPset used f o r AGP, PCI/ISA, m e m o r y, and peri p hera l co ntro l Winb o nd ® W83977TF I/O.
Syst em Board 4-11 The fo ll o w ing table list s t he m a j o r co m po nents o n the syste m boar d. System Board Components Co m ponent Funct i on Processor (mou nte d in a S.
4-12 Syst em Board Pro c es so r and S eco nda r y C ache Th e sy stem uses a n I ntel Ce le ron, Pen t i um II, or Pen t i um III pr o ces sor w i t h an in ter nal c lock speed o f 300 MHz, 333 MHz, 350 MHz, 366 MHz, 400 MHz, 433 MHz, 450 MHz, o r 500 MHz (dependin g o n ty pe o f processo r and mode l ).
Syst em Board 4-13 The Fl a s h ROM all o ws t he sys t e m and video BIOS to b e upgraded w i t h the BIOS Updat e u t ili t y , w i t hout havi ng to phy s ica lly rem o ve the ROM (see S e c t io n 2 fo r fur t her in fo r mat io n o n t he B I O S U p d at e ut il it y).
4-14 Syst em Board PCI/IDE P orts The sys t e m boar d support s two hi g h-per f o r m ance PCI/IDE port s: a pri mary port and a s eco ndary port on t he system bo ar d.
Syst em Board 4-15 Seri al Interf ace The sys t e m has two 16C550 UAR T co m pat ibl e seri a l po rt s (COM1 an d COM2) in t egr at ed on the I/O controll er. T he s er i a l po rt s support t he standard RS-232C in ter face. T he b u ffered hig h-speed serial po r t s supp o rt transfer rates up to 115.
4-16 Syst em Board The fo ll o w ing graphics boar ds ar e availab le from NEC CSD: A TI Mi nd en (R age IIC) 4-M B A GP boar d This board co nt ains 4 MB o f SD R A M. A TI XPE RT98 (RagePRO) 4-MB A GP b o ard wi t h 4-MB upgrade This board co nt ains 8 MB o f SD R A M.
Syst em Board 4-17 In teg rat ed A ud io To suppo rt t he i ncrea s ing number o f m u l t i med ia appl icat ions, a Creat ive ES1373 PCI audi o chip is in t egrat ed on t he sy ste m boar d. The chi p pro v i de s 16-bi t st ereo, Sound Bl aster Pro -c om pa tib le au di o.
4-18 Syst em Board Memo ry Ma p T he sys t e m me m o r y map is s ho w n in t he fo ll o w ing t ab l e . Syst em Mem ory Map Memory Space Siz e Function 100000-1800000 0 383 MB Exte nd ed m e m ory .
Syst em Board 4-19 I/O Add res s Map Address (Hex ) I/O Device N ame 0070, b it 7 PIIX4 - e nabl e N MI 0070, b it s 6 th rough 0 P II X4 - real tim e c lock, addre ss 0071 PIIX4 - re al t im e clock,.
4-20 Syst em Board I/O Add res s Map Address (Hex ) I/O Device N ame 03CE-03CF Video (VGA ) 03D4-03D5 Video (V GA) 03DA Video (V GA) 03E8-03EF COM3 03F0-03F5 Floppy ch annel 1 03F6 Primary IDE channe .
Syst em Board 4-21 DMA Settings The syst e m’s DM A set t ings are g iven in t he fo ll o w ing t abl e. DMA Se tti ngs D M A Se tting Device 0 Audio 1 Audio/paralle l port 2 D iske tte d rive 3 Par.
5 Illustrated Pa rts Bre akdo w n Ordering P arts Field Repl aceable Uni t List Il lust rated P arts B reakdown.
5-2 Illus trated P a rts B reakdo wn This sect ion cont a in s t he illust r at ed parts breakdo wn (I P B) and NEC CSD part descript i o ns f o r the PowerMat e VT 300i Series B uild-t o -Or der (BTO) sy st e ms .
Illus trat ed Parts Bre a kdo wn 5-3 Field Replaceab le Unit List The fo ll o w ing table list s t he fi e ld rep l a cea ble un i t s ( FRU s) for t he Po wer Ma t e VT 300i Ser i es o f co mputers.
5-4 Illus trated P a rts B reakdo wn Power Mat e VT 30 0i Ser ies S yst em F RU L ist It e m Description 16c GVC 10/1 00 Ne t work Bo ard 17 Chassis C ove r, Le f t Side 18 Chassis C ove r, Right S id.
Illus trat ed Parts Bre a kdo wn 5-5 Illustrated Parts Brea kdown The fo ll ow ing figure sh o ws t he illus t rat ed par t s breakdown (IPB) f o r t he Po wer Mate VT 300i Ser ies com put ers. E ach FR U o n the IPB i s ident ifi ed w it h a number t hat cro ss-r efere nces t he FRU list.
6 Prev entiv e M aintenance Sys t em Cleaning Keyboard Cl eani ng Mouse Cleaning.
6-2 Pr eve ntive Mai nte nance T h is s e c t io n c o nt a i ns g e ne r a l in fo r mat io n fo r c lea nin g a nd c he c k ing t he s ys t e m, keyb o ard, and m o ni t o r. The syste m u ni t , ke yb o ard, and m o nito r requ ire cl ea ning and check ing at l ea st o nce a y ear, and m o r e often if operat in g in a dust y environment.
Pre venti ve Main ten anc e 6-3 3. Cl ean th e e n cl osu re an d k ey s wi t h a d am p cl ot h . A sm all , sof t-b ri stl e b rush may be used to clean between the ke ys.
7 Troubl eshooti ng Ch eckli st Diagnos tics.
7-2 Troubleshooting This sect i o n prov i de s inf o r m at i o n t o help iso late and repair syste m malfunct ions at t he fi e ld l e ve l. The syste m ha s a bui lt- in progr am that auto mat ically checks its co mponent s when t he syste m is powered o n.
Troubleshooting 7 -3 System emit s cont inuous beeps. Tur n the syste m off , wa i t at l ea st five second s, and tur n t he syst e m on. If t he b eeps co nt inue, call t he NEC CSD Techni c a l Suppo rt Center . System does not maintain date , time, system configuration inf or ma t ion .
7-4 Troubleshooting Disk ette D ri ve Pr o blem s Check t he f o ll o w ing t o see t he po ss ible cause and so lut i o n. Diskette won’t load. Check t hat the diskett e i s being l o aded co r r ectly. Check t hat the sy st e m and m o nito r po wer lam ps ar e o n and the power-o n scree n appears.
Troubleshooting 7 -5 Check t hat the vi deo r efres h rat e an d video dr iver are co r r ect. Click the right m o use butt o n any w here o n the Windows desktop and a me nu a p p e a r s. C lic k P roperties and the Di sp la y Pr o per t i es w indo w appears.
7-6 Troubleshooting T he CD-ROM dri ve play s music CDs but the sound is not hea r d. H o wever, .W A V and .MI D I s ounds can be heard wh en played. Check t hat t he cable connect ing the CD-ROM dr iv e to the sy st e m boar d CD aud i o co nnecto r i s in p la ce and secur e.
Troubleshooting 7 -7 Probl e ms and Soluti ons Probl e m Sym pto m Soluti on No powe r (cont’d) 4 . Che ck +5 and +1 2 powe r supp ly voltages. Me asure voltage s with s yste m board in st alle d. 5 . Re place the powe r switch asse m bly. 6 . R ep l a c e t h e p o w er s u pp l y .
7-8 Troubleshooting Probl e ms and Soluti ons Probl e m Sym pto m Soluti on Dis ke tte d rive doe s not work Lamp on drive pane l doe s not light whe n diskette is loade d. 1 . Che ck powe r and s ignal cab le conne ct i ons betwe en diske tt e drive and powe r supply.
Troubleshooting 7 -9 Probl e ms and Soluti ons Probl e m Sym pto m Soluti on Monitor malfunct ion U nabl e to s ynch ronize display. 1 . Adjust the mon itor’s synch roniz at ion controls. 2 . C he ck tha t the mo n ito r’s re solu tion matche s the vide o se tting or the vide o dr iv er u s ed (s ee S ec t i o n 2).
7-10 Troubleshooting Probl e ms and Soluti ons Probl e m Sym pto m Soluti on CD-RO M dri ve malfunct i on (cont ”d) N o sound from CD s. 1. Che ck that speake r power is on and volume is ad j usted . 2. Che ck audio s oftware se ttings. 3. Check t h e CD.
8 NEC CSD Information Serv ices Servic e Telephone Numbers Technical Support Produc t Inform at ion.
8-2 NEC CSD I nformation Service s This sect ion conta in s the fo ll o w ing NEC CSD serv ice a nd support i nfor mat i o n: service and s uppo rt t el ep ho ne numbers t echni c a l suppor t pro duct i nf o r mat i o n.
NEC CSD I nformation Service s 8 -3 BIOS upda t es, drivers, an d setup d i sk files to downl o ad co ntact inf o r m at i o n, including tele p hone numbers f o r T echnica l Suppo rt and lin k s t o ve nd o r w ebs i t es an auto mated email for m for y o ur technical suppor t questi o ns a Resel ler’ s area ( passwo rd access ible).
8-4 NEC CSD I nformation Service s D i r ect ass ist ance is avai lable 24 hour s a da y , 7 days a week. Ca ll t he NEC CSD Technical Support Center, toll f ree, at 1 (8 00) 63 2- 45 25 (U.
NEC CSD I nformation Service s 8 -5 ! CA UT ION NEC CSD rec omm ends that you download fil es f r om the Bull eti n Board S erv ice to a diskett e and not t o your hard driv e. Log o nto t he BBS as f o ll o ws. 1. From t he Win do ws deskto p, cli ck Start .
8-6 NEC CSD I nformation Service s Fo ll o w t he prom pt s to se l ect a file for do wnload ing. ! CA UT ION Ex ecutabl e fil es automati c ally f ormat your di sket t e w hen you download f il es fr om the B BS. Form atting destroy s any dat a on the di skett e.
9 Specificat ions Syste m Boa r d Keyboard Mouse Speak ers Syste m Un it Diske tte Driv e Hard Drives Power Supply Fax / Modem Board Graphic s B oards CD-ROM Drives PC Ad ap ter Un it Tape Back up Uni.
9-2 Spec ific ations This sect ion cont a in s t he spec ificat i o ns f o r the vario u s co m po nent s co m pr ising t he PowerMat e VT 300i Ser i es syste ms. The fo ll ow ing tabl e lists t he specificat ions a nd the pages where the spec ificat i o ns can be found.
Spec ificat ions 9-3 System Board Specificat ions The specificat i o ns for the syst e m board ar e included in the f o ll o w ing t able. Syst em Board Spe cific ation s Feature Specification Syste m.
9-4 Spec ific ations M ou se Specif i cations The spec ifi c at ions f o r t he m o use are incl ud ed in the f o ll ow in g table. Mouse S pecifications Feature Specification M ous e M icro so ft In .
Spec ificat ions 9-5 System Unit Specific ations The specificat i o ns for the syst e m uni t ar e in c luded in the fo ll ow ing t able. Syst em Unit Specif icat ions Feature Specification Di m en si o n s W idt h: 8. 5 in c h es ( 2 1 .5 9 cm ) De pth: 18 inches (45 .
9-6 Spec ific ations Dis kett e Dri ve Sp ecifi cation s Feature Specification Data T ransfer Ra te H i gh de nsi ty mode : 5 00 /250 Kb it/se c Normal de nsity m ode : 2 50 /125 Kb it/se c Disk Spe e.
Spec ificat ions 9-7 4.3-GB Maxtor H ard D rive Specif ications The specifi c at i o ns for the 4.3- GB Max t or Diam o ndMax™ hard dr ive are included in t he fo ll o w ing t able. 4.3 -GB Maxtor DiamondMax Hard Drive Speci fi ca ti ons Feature Specification Hard D rive 4.
9-8 Spec ific ations 8.4-GB Fujit su Hard Dr ive Spe cifications The specificat i o ns for the 8.4- GB Fu ji t su hard dr iv e ar e incl ud ed in the fo llo w ing t ab le . 8.4-GB Fujits u Hard Driv e Sp ecif icatio ns Feature Specification Ha rd D rive 8.
Spec ificat ions 9-9 8.4-GB Maxtor H ard D rive Specif ications The specificat i o ns for the 8.4- GB Maxt or hard drive are included in t he fo llo w ing t ab le . 8.4 -GB Maxtor DiamondMax Hard Drive Speci fi ca ti ons Feature Specification Har d Driv e 8.
9-10 Spe cifi cation s 12.9-GB Maxtor Hard D rive Sp ecificat ions The specifi c at i o ns for the 12.9- GB Max t or hard drive are in c luded in the fo llo w ing t ab le . 12.9-GB Ma xtor DiamondMax H a rd Drive Specifica ti ons Feature Specification Hard D rive 12.
Spec ificat ions 9-1 1 Fax/Modem Board S pe cifications The spec ifi c at ions f o r t he f a x/m o de m bo ards are in c luded in the f o ll ow in g table. Fax/M odem Board Specifications Feature Specification Fax/Mode m Board U.S. Robo tics P yt hon V .
9-12 Spe cifi cation s ATI Minden AGP Boa rd Specifications The speci ficat i o ns for t he ATI Minden (Rage II C) 4 MB AGP boar d ar e included in t he fo ll o w ing table.
Spec ificat ions 9-1 3 Diamond Viper V55 0 AGP Board Specifi cations The specifi c at i ons f o r the Diam o nd Vi p er V550 AGP 2D/3D graphi cs board ar e included in t he fo ll o w ing table.
9-14 Spe cifi cation s Lite-O n 32X and 40X CD-ROM Drive Speci fica tions Feature Specification Tem p er at u r e O p er a t i ng: 5 ° to 45 ° Non-operating : -20 ° to 6 0 ° Hu midity Operating: 20% to 80% (non-conde nsing) Non-operating : 20% to 90% (non-conde nsin g) Physical Di m ens ions H x W x L: 41 .
Spec ificat ions 9-1 5 Hitachi 4X D VD-RO M D rive Sp ecific ations The specifi c at i o ns for the Hitachi 4X DVD-ROM dr iv e ar e in c luded in the fo llo w ing t ab le . Hit achi 4X D VD-R O M Dri ve Sp ecifi cations Feature Specification 4X DVD -ROM D rive Hitachi GD-2500 Dat a Tra nsf er Rate DVD, 5.
9-16 Spe cifi cation s PC A dapter Devic e Sp ecific atio ns Feature Specification Software SwapFit F lash F ili ng s yst e m driver e nabling f ull f loppy d isk or ha r d d ri v e em ul a ti on o n .
Spec ificat ions 9-1 7 Tape Backup Unit Specifications Feature Specification Tem p er at u r e O p er a t i ng: 5 ° to 45 ° Non-operating : -40 ° to 6 5 ° Hu midity O perating : 20% to 80% (non-co.
9-18 Spe cifi cation s Environmental and Safety Spe cifications The syste m e nvironment a l and s a fet y spec if icat ions ar e in cluded in the fo llo w ing t ab le .
A Release Notes General Not es SCS I Drive Limit ations LS-120 S uperDi sk Copy Ut il it y NEC OS Rest ore CD PIIX 4 L im itatio n s New Sys tem Board J umper S etti ngs Inte l Pr oce sso r Ser ia l N.
A-2 NEC Pow erMat e VT 300 i S eries Rel ease Not es Th e PowerMate VT 300i Series Releas e Notes pro vide up-to-d ate i nf o r mat i o n o n insta lling the applicat i o ns that co m e w i t h y o ur co m put er.
NEC Pow erMat e VT 3 00i Seri es Rel ease N otes A- 3 Onc e I nt e r net Exp l o re r is inst a lle d , o t her a p p lic a t io ns c a n be in st a lled du r ing t he s a me in st a lla t io n se ss io n a nd in a n y o r d e r . I nt er ne t Exp lo r e r co m e s pre in st a ll ed o n syste ms with the Wi ndo ws 98 op erat in g s yste m .
A-4 NEC Pow erMat e VT 300 i S eries Rel ease Not es 2. Do ubl e c l ick the Ne t wo r k ic o n in t h e Co n t r o l P a ne l w i n d o w . 3. C lick t he P rotocols ta b . In th e P r o toc ol s di s pl ay , th e f ol l owi ng p ro toc ol s are l o aded: NetBEUI Pr otocol N WL ink IPXSPX- Compatible Tr ansport N WLin k Ne tB IOS 4.
NEC Pow erMat e VT 3 00i Seri es Rel ease N otes A- 5 In st alli ng LapL ink Ap pli cat ion N ot Suppo rted The LapLink applicat i o n included o n the NEC Applicat ion an d Dr i ver CD is not support ed. T hi s versio n of La p Link can cause pro blems w hen insta lled.
A-6 NEC Pow erMat e VT 300 i S eries Rel ease Not es Ins tallin g I nter n et E xpl orer 4.01 A dd -O n C omp onen ts from th e NEC Driver CD Ch o o s in g t he In st a lli ng Inter net E xpl o rer 4. 01 A dd-On Co m po nents o pti o n on t he NEC Dr iver CD resu lts in a file opening erro r m e ss age.
NEC Pow erMat e VT 3 00i Seri es Rel ease N otes A- 7 Using the NEC OS Rest ore CD wi th a SCSI Drive If a si t u at i o n ar i s es in which a ful l oper at ing system rest o re m u st be perfor med using the NEC OS Rest o re CD, fi r st boot the syst em fro m the bo ot able diskett e.
A-8 NEC Pow erMat e VT 300 i S eries Rel ease Not es NEC OS Resto re CD The fo ll o w ing sect i o ns prov i de inf o r mat i on a bo ut the “Fi x OS ” Re sto re opt ion o n t he NEC OS Restor e CD.
NEC Pow erMat e VT 3 00i Seri es Rel ease N otes A- 9 This co m p letes t he OS Resto r e (or “Fix OS”) pr o cedur e. T he sy st e m is n o w in a st at e where dat a can be backed up. S y st e m sett in g s previous ly locat ed in the C:W INDO WS di re ct ory are no w in a backup di rect o ry C: WINDOWS.
A-10 NEC Po werM ate VT 300i Ser ies R ele ase N otes When users ins t a ll thei r o wn versi o n o f Windows 95, ULTRA DMA/33 does not funct i o n wi t hou t the addi t ion of these fil es. These .I NF fil e s ca n be added to a ne w install o f Wi ndows 95 by u s ing t he NEC OS Restore CD.
NEC Pow erMat e VT 3 00i Seri es Rel ease N otes A- 11.
A-12 NEC Po werM ate VT 300i Ser ies R ele ase N otes Intel Pro cessor Ser ial Number Control Utility Th e In te l ® Pro cesso r Serial Number Co nt ro l utili t y i s a Windo ws ® pr o gram t hat enables o r di sa ble s t he read ing of the Pent i u m ® III p roce ss o r seri a l num ber b y software.
NEC Pow erMat e VT 3 00i Seri es Rel ease N otes A- 13 The pro cesso r serial number is an a l o g o us t o a convent i o nal ser i a l nu mber, w ith t hese impor t ant diff er e nces: A so ftwar e applicat i o n ca n read t he processo r ser ial nu mber.
A-14 NEC Po werM ate VT 300i Ser ies R ele ase N otes Whi ch progra ms and/ or websites currently use the processor seri a l number? Yo u can fi nd a co m p lete lis t o f pr o grams w hich can t ake advantage o f the proces sor s eri a l num ber an d o t her n ew ca pabili t ies o f the Pen t i um III pr ocess or at h ttp: / /www.
NEC Pow erMat e VT 3 00i Seri es Rel ease N otes A- 15 Rest ori ng S of twar e wi th a US Rob otic s 56K V .90 M o dem I ns talle d If your s yste m has a US Robot i cs 56 K V.90 Modem insta ll ed a nd y o u r estore t he Windows 95 oper at ing syste m, t he syst e m migh t d isplay a message indicat ing i t cannot load t he Modem.
A-16 NEC Po werM ate VT 300i Ser ies R ele ase N otes Fin din g No Ne tw or k N eig hbor hood Ic o n on th e De sk top The Wi ndo ws 98 deskto p does not di splay a Netwo r k Nei g hbor hoo d i co n when y ou bo ot the sy ste m into Win do ws 98. T he 3Com 3C905B-T X dr iv er s are pre insta lled on the syste m and no proto col s are l o aded.
NEC Pow erMat e VT 3 00i Seri es Rel ease N otes A- 17 2. Co nfi gure Bo ot Magi c. If you want to use B oot Magi c: C lick t he ENAB LE BOOTMA G IC but to n. The Boot Magi c menu appears dur ing the n e xt bootup sequence an d let s you select Windows NT as the o per ating sy st e m .
A-18 NEC Po werM ate VT 300i Ser ies R ele ase N otes 5. S elect SA VE/EXIT i n t he Bo ot Magi c Co nfigurat i o n box. E ither cho ice, to enable Boot Mag i c o r to not enable Boot Magic, requ i res t he SAVE/EXI T se lect i o n.
Gloss ary 1 Glossary A access time The time p eriod be t wee n the supply of an acce ss signal an d the output o r acc e ptance of the d ata by the add r e sse d sy stem . Exam ple s are the acce ss t im e s fo r DR AM s , S R AM s , ha r d dr i v es, a nd C D - R O M dr iv es .
2 Glos sary AP I App li ca t io n P r ogr a mmi n g I nt er f a c e. A n AP I is a ser i es o f f u nct i o ns t ha t pr ogr a ms can use to m a ke the ope ra ting system do routine or r epe t itive ta sks.
Gloss ary 3 audi o Rel ating to or cap a ble of pro ducing sound. Mul timedi a com put e rs make e xt ensive use of audio . AV I A digital mov ie for m at created by Microsof t. AVI i s sho r t f or “aud io / video i nt erl ea v e, ” a met ho d of i nc lu din g a di g it a l mo vi e a n d it s a c c o mp a n y i n g s ou n d i n the same f ile.
4 Glos sary bit Bi na r y d i git . T he s mal l es t u n it of c o mp u t er da ta . A s ing l e d i git a l p i ec e of in f or m at ion , gene ra lly re pr esen t ed by the nume r a l 0 o r 1.
Gloss ary 5 boot sect o r T he p a r t of t h e b o ot b l oc k tha t c o nt a i ns t h e op er a t i n g s ys t em loa d er , a pr ogr a m tha t starts by itsel f and load s the ope rat ing sy st em . bps Bi ts per se cond. The n u mber o f bits o f d ata that c an be transm itted in one second .
6 Glos sary chassi s The me tal frame t o which the electronic com p onents o f the com put er (suc h as the sy st em board, powe r supply, an d drive bays) are attach ed. The chassis goe s inside the system u nit 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 if y th e i nt egr it y of t ha t da t a .
Gloss ary 7 DIMM Dual I nline M emo r y Mod ule. Ci rcuit bo ard wi t h pin s connec ting to different me mor y ch ip s o n b ot h s i d es of t h e b oa r d, wh ic h a l l o ws f or wi d er a nd fa s t er da t a transfe r (128-bi t). See SIMMs. DMA Dir e c t M e mor y A c c es s .
8 Glos sary EIDE Ex t e n d e d I nt egr a t ed Dr i v e E l ec t r o ni cs . T he EI DE s p ec if i c a t io n is a n en ha nc ed ve rsion of I DE that allow s fo r faster transf e r ra tes an d suppo r t s large r hard d rive size s enha nce d VGA A vi deo in t e rface th at o ffe rs mo re colo rs o r h ig he r re sol ution than VGA .
Gloss ary 9 H hertz (Hz ) A uni t of frequency e qual to one cy c le pe r second . hexad ecimal A number sy st em that use s 16 as th e base . (Place value indicates powe r s of 16.) It use s the digits 0- 9 a nd A-F. Used a r ound com put ers be caus e a by te (eigh t bin ary dig its) e asily conve r ts to a two digi t he xa decim a l numb er.
10 Gloss ary IRQ In t e rrupt Req ues t. A si gn al th at, w hen r e ceiv ed b y t he CPU , m akes it sto p w hat it is going to do some t hing else. An interrupt i s a w ay in which a particul a r dev ic e in a com put er com municate s wi t h the CPU.
Glos sary 11 memory Ele ctronic storage a r ea i n a com put er th a t re tains in f ormation an d prog ra m s. A co mp u t er ha s t wo t yp es o f memor y : r ea d- o n l y memor y ( R O M ) a nd r a nd o m a c c es s me mor y (R AM ) .
12 Gloss ary overw rite S t or in g i nf or ma t i o n a t a loc a t io n w h er e i nf or mat io n is a lr ea d y s t or ed, t hu s de stroying t he origin al in f ormation .
Glos sary 13 port An y c o nn ec t i on b y wh ic h da t a c a n e nt er or lea v e a c o mp u t er or per ip h er a l. Pr o v id e s t h e m e an s f o r an i n te rf ac e be tw e e n th e m i c ro p ro c es so r an d e xte rn al devi ces. A cable connecto r is usually plugge d into the po rt to attach th e device to t h e c o mp u t er .
14 Gloss ary serial p rinter A pri nte r wi th a se rial i n te rface . SGRA M Synchrono us Graphi c Random Ac cess Memo r y. A type of DRAM used 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 hics a c c el er a tor s . L i k e S D R AM , S G R AM can syn c hronize its elf wi th t he CP U bus c lo ck at speed s of up to 100 MHz.
Glos sary 15 system bo ard The main printed c ircui t board in side t he sy st em unit in t o whi ch o t her bo ar ds and m a jor ch ip com ponents, such a s the sy st em micro proc essor, a re c on nect ed. T tpi Trac k s pe r i n ch . track Any of m a ny concen tric ci r cular re gions on a di s k fo r storing data.
16 Gloss ary VRA M Video RAM. V R AM i s speci a l-purpo s e mem or y used by video adapt ers. Un like conven t ional RA M, VRA M can be accessed b y two dif f erent device s sim u lt aneo usl y. Th is en able s a v ideo ad apte r to acc e ss th e V RA M fo r scre e n upd at es at th e same tim e t hat th e CPU pr ovide s new data.
Index-1 A Address e s paralle l port, 2-3 Advanced me nu (BIOS), 2-13 A GP board, 1-11 features, 4-16 r emo va l, 3 - 9 A ppl ic ati on and Dri ve r CD using , 2-26 A u dio features, 4-17 B Batte r y .
Index-2 D i s k et t e d r i v e, 1 - 1 0 r emo va l, 3 - 2 0 sp ec if ic a t i o ns , 9 - 5 DMA setting s fun cti ons, 4-21 Do cumentation , online NEC Hel p C en t er, 2-27 DVD-ROM drives Hit a ch i.
Index-3 M a x t or ha r d dr iv e 12.9-GB h ar d d r ive sp ecification s, 9-10 4.3-GB h ar d d rive sp ecification s, 9-7 8.4-GB h ar d d rive sp ecification s, 9-9 Mem ory checki ng system , 4-9 fea.
Index-4 Righ t side cover disassem b ly, 3-6 repl ac i ng , 3-7 S Se agate ID E hard d riv e 4.3-GB d rive specification s, 9-6 Se cu rity features, 1-8 lo cking tab, 1-8 Securit y menu (BIOS ), 2-17 .
Index-5 U SB in t e rface features, 4-15 Ut il iti es Cheyenne Backup, 2-28 W Wake -O n Lan se tting j umper JWOL , 4-7 Websi t e, 8-2 Window s ne t work s e curit y, 1-8 Z Zip d rive, 1-13 jum pers, .
Regulator y Statements FCC Statem ent Note f or Canada Bat tery Repl acem ent Batte ry Di spo sal.
Reg ulato r y St atem ent s- 2 The fo ll o w ing regu la t o ry st ate ments prov i de inf or mat i o n ab o u t use of the Po werMate VT 300i Ser i e s co m put er : FCC St at em e nt ( Fo r Uni t ed St at es Only) Not e for Can ada B at tery Re pla cem en t Batt er y D ispo sa l .
Reg ulato r y St atem ent s- 3 FCC Statem ent (For United St at es Use O nly ) WARNING: C h an g es or m odi f i cati on s to thi s un i t n ot e xp re ssl y a pp rov ed by t he party respo ns ible for co m p l iance co u l d vo i d t he user’s aut ho r i t y to oper ate t he equ i p ment.
Reg ulato r y St atem ent s- 4 Note for Ca na da T h i s C l a s s B d ig it a l a p p ar a t u s me e t s a l l r e q u ir e m e n t s o f t he C a n a d i a n Inter ference-Caus ing Equ i p ment Regu lat i o ns.
Reg ulato r y St atem ent s- 5 Battery R eplac ement A lit h iu m ba tt er y in so me co mpu t er s m a int a in s sys t e m co nf igu r at io n infor m at i o n. In t he event t hat the batter y fa ils to main t a in s yst e m co nfigurat i on inf o r m at i on, NE C r eco mm ends t hat you repl ac e t he batt ery .
Reg ulato r y St atem ent s- 6 Batter y D ispos al Do not pl ace used bat t eries in y o ur r egu l ar t r ash. The nickel-cadm ium o r nickel met a l - hydr ide batt eries m ust be co ll ect ed, rec y c led, o r disposed of in an environmenta lly - appro ved m a nner.
NEC C omput er S ys t ems D i vis ion P a ckard B ell N EC , Inc . 1 P a ck ard B e ll W ay Sa crame nto , CA 95 828- 0903 www. n e c -c om put ers.c om 456-000 50-000SRV 5/99.
デバイスNEC PowerMate VT 300iの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
NEC PowerMate VT 300iをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはNEC PowerMate VT 300iの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。NEC PowerMate VT 300iの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。NEC PowerMate VT 300iで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
NEC PowerMate VT 300iを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はNEC PowerMate VT 300iの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、NEC PowerMate VT 300iに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちNEC PowerMate VT 300iデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
