Benutzeranleitung / Produktwartung 355856-001 des Produzenten HP (Hewlett-Packard)
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H ardware Re fere nc e G u i de HP Co mpaq Bu sines s De sktop d2 2 8 and d2 4 8 M i c r oto we r D o cu m e n t Pa r t N u m b e r : 355856 - 0 0 1 Nov ember 200 3 This guide provides basic informatio n about upgrading this series of computers.
© Copyright 2003 He wlett-P ackard Dev elopment Compan y , L.P . The information contained herein is subject to change without notice. Microsoft, MS-DOS, W indo ws, and W indo w s NT are trademarks of Microsoft Corporation in the U.S. and other countries.
Hardware Ref erence Guide iii Contents 1 Hardware Upgrades Serviceability Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . .
iv Hardware Ref erenc e Guide Contents 4 Electrostat ic Discharge Preventing Electrostatic Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1 Grounding Methods . . . . . . . . . . . . . . . . . . . . . . . .
H ard ware Re fe ren c e G u i de 1–1 1 Har d w ar e Upg r ade s HP Compaq d2 28 , d2 30, and d2 48 Mic r oto w er Ser viceabili t y F eatur es The Microto wer computer includes features that make it easy to upgrade and service. No tools are ne eded for most of the installation procedures described in this chapter .
1–2 H ar dwa re Re fe re nc e G ui de H ard ware U pg ra d es W arning s and C autions Before performing upgrade s be sure to carefully read all of the applicable instructions, cautions , and w arnings in this guide.
H ard ware Re fe ren c e G u i de 1–3 H ardw are U pg ra d es 4. Slide the access panel back about 1 inch (2.5 cm), then lift it away from and off t he unit. Re mov i ng the Acces s P anels T o replac e the access panel, reverse the remo v al steps.
1–4 H ar dwa re Re fe re nc e G ui de H ard ware U pg ra d es 5. T o remove th e front bezel, grasp the bottom of the front panel belo w the lowest air vent and pull the panel out and up to release it from the chassis.
H ard ware Re fe ren c e G u i de 1–5 H ardw are U pg ra d es Rem o vin g Fro nt Dr iv e B ez els 1. T urn o f f the comp uter p rop erly thro ug h th e operating system and turn off any e xternal de vices. 2. Disconnect the p o wer cord from the po wer outlet and the computer , and disconnect an y external de vices.
1–6 H ar dwa re Re fe re nc e G ui de H ard ware U pg ra d es Disk ette Driv e Bezel ✎ Depending on the comp uter configuratio n, you may ha v e a bezel blank in this position. If you do not ha ve a dri ve in this slot, you may choose to install a 3.
H ard ware Re fe ren c e G u i de 1–7 H ardw are U pg ra d es Installin g Additional M emor y The computer com e s wit h Double Data Rate-Synchronous Dynamic Random Access Memory (DDR-S DRAM) Dual Inline Memory Modules (DIMMs). DIM Ms The memory sock ets on the syst e m board can be populated with industry-standard DIMMs.
1–8 H ar dwa re Re fe re nc e G ui de H ard ware U pg ra d es ■ contain the mand atory JEDEC SPD information In addition, the computer supports: ■ 128Mbit, 256Mb it, and 512Mbit non-ECC memory t.
H ard ware Re fe ren c e G u i de 1–9 H ardw are U pg ra d es identical. Th erefore, if you ha v e one preinstalled DIMM in socket J23 and are adding a sec ond DIMM, it is recommended that you install an identical DIMM in to the J25 socket. If you are populating all four DIMM sockets, use identical DIMMs in each socket.
1–10 Hard war e R efe re nce Guide H ard ware U pg ra d es Å W ARNING: T o r educe risk o f personal inj ury fr om hot surfaces , allo w the internal s y st em components to cool befor e to uching . 4. Lay the computer do wn on its side to mak e it easier to work on.
H ard ware Re fe ren c e G u i de 1 –1 1 H ardw are U pg ra d es Installing an Expansion Card 1. T urn o f f the comp uter p rop erly thro ug h th e operating system and turn off any e xternal de vices. 2. Disconnect the p o wer cord from the po wer outlet and the computer , and disconnect an y external de vices.
1–12 Hard war e R efe re nce Guide H ard ware U pg ra d es If not installing an additional e xpa nsion card, skip to step 12. 10. Remov e the e xpansion slot co ver . 11. Slide the expansion card into the e xpansion socket and press it firml y into place.
H ard ware Re fe ren c e G u i de 1 –1 3 H ardw are U pg ra d es R eplaci ng or Upg r ad ing a Dr i v e The computer supports up to fi ve dri ves that may be installed in v arious conf igurations. This Section describe s the procedure for replaci ng or upgrading the storage dri v es.
1–14 Hard war e R efe re nce Guide H ard ware U pg ra d es Driv e P ositions Driv e P ositions Description Descriptio n 1 2 5 .2 5-inc h dr iv e ba y f or opti onal dr iv e s* 3 3 .
H ard ware Re fe ren c e G u i de 1 –1 5 H ardw are U pg ra d es Removing a 5.2 5” Dr iv e 1. T urn o f f the comp uter p rop erly thro ug h th e operating system and turn off any e xternal de vices. 2. Disconnect the p o wer cord from the po wer outlet and the computer , and disconnect an y external de vices.
1–16 Hard war e R efe re nce Guide H ard ware U pg ra d es T o install a driv e, re verse the remo v al procedure. ✎ If you are installing a 5.25” dri ve for the f irst time into bay 2 you must fi rst remo v e the dri ve from b a y 1 and then knock or pry out the metal shield that cov ers the front of bay 2.
H ard ware Re fe ren c e G u i de 1 –1 7 H ardw are U pg ra d es 6. Remov e the four screws, two from each side, that secure the dri ve in the driv e cage 1 . 7. Slide the dri v e out of the front of the chassis 2 . Re mov ing a Disk ette Dr i v e T o replace the diskette dri v e, re verse remo v al procedure.
1–18 Hard war e R efe re nce Guide H ard ware U pg ra d es 7. Remov e the four scre ws that secure the driv e cage to the front of the chassis 1 and then remo ve the single scre w that attaches the lo wer dri v e cage to the f ix ed upper dri v e cage on the right side of the chassis 2 .
H ard ware Re fe ren c e G u i de 1 –1 9 H ardw are U pg ra d es Remo v ing a 3.5” H ard Driv e 1. T urn o f f the comp uter p rop erly thro ug h th e operating system and turn off any e xternal de vices. 2. Disconnect the p o wer cord from the po wer outlet and the computer , and disconnect an y external de vices.
1–20 Hard war e R efe re nce Guide H ard ware U pg ra d es.
H ard ware Re fe ren c e G u i de 2–1 2 B at ter y Repl acem ent Rep l a c in g t h e B a t t er y The battery that comes with your computer pro vides power to the real-time clock and has a lifetim e of about three years. When replacing the battery , use a battery e qui valent to the battery originally installed on the computer .
2–2 H ar dwa re Re fe re nc e G ui de Batter y Replacement N Batteries , batter y packs, and accum ulators should not be disposed of together w ith the gener al hou sehold w aste .
H ard ware Re fe ren c e G u i de 2–3 Batter y Replacement Ty p e 1: a. T o release the battery from its holder , squeeze the metal clamp that extends abo ve one edge of the battery .
2–4 H ar dwa re Re fe re nc e G ui de Batter y Replacement c. T o insert the new battery , slid e one edge of the replaceme nt battery under the holder’ s lip with the positi v e side up. Pu sh the other edge down until the clamp snaps over the other edge of the battery .
H ard ware Re fe ren c e G u i de 2–5 Batter y Replacement Ty p e 2 : a. T o release the battery from its holder, push the ret aining clip that holds the battery in place 1 . a. Lift the battery out of its holder 2 . Re mov ing a T ype 2 Battery b .
2–6 H ar dwa re Re fe re nc e G ui de Batter y Replacement.
H ard ware Re fe ren c e G u i de 3–1 3 R o uti ne Ca r e & S hi pping I nf or mati on Rou t in e C a re Follo w these suggestions to tak e ca re of your personal comp uter and monitor: ■ Operate the personal computer on a s turdy , level surf ace.
3–2 H ar dwa re Re fe re nc e G ui de Ro utine Car e & Shipping Infor mation Optical Disk Driv e Pr ecautions Be sure to observe the follo wing guidelines while operating or cleaning your opt ical disk dri v e. Ope rat i on ■ Do not mov e the driv e during operation.
H ard ware Re fe ren c e G u i de 3–3 R outine Car e & Shipping Inf ormati on Sh ippi ng Pr e pa r ati on Follo w these suggestions when preparin g to ship your person al computer: 1. Back up the hard drive f iles onto the network or remov able media.
3–4 H ar dwa re Re fe re nc e G ui de Ro utine Car e & Shipping Infor mation.
H ard ware Re fe ren c e G u i de 4–1 4 Elec trosta tic Dis c harge A discharge of static electricity from a finger or other conductor may damage system boards or oth er static-sensiti ve de vices. This type of damage may reduce the life expectancy of the de vice.
4–2 H ar dwa re Re fe re nc e G ui de Electr os tatic Disc har ge Groundin g Met h ods There are sev eral methods for grounding. Use one or more of the follo wing methods when handling or installing el ectrostatic-sensiti v e parts: ■ Use a wrist strap connected b y a grou nd cord to a grounded workstation or computer chassis.
Hardware Ref erence Guide Index–1 B battery Type 1, removal and replacement 2–3 Type 2, removal and replacement 2–5 C care of equipment 3–1 CD-ROM drive cleaning and safety 3–2 D drive 3.
Index–2 Hardware Ref erenc e Guide Index.
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