Manual Dell 100-Mbps

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  • Dell 100-Mbps - page 1

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  • Dell 100-Mbps - page 2

    Information in this document is subje ct to cha nge without notice .  1996 Dell Comput er Corp ora tio n. All rights reserve d . Reproduc tion in an y mann er whatsoeve r without the wri tten perm i s sion of Dell Co mp uter Co rpo ratio n is stri ctly forb idden . Trademar ks use d in this te xt: Dell , th e DELL logo, a nd OptiPlex are registe ...

  • Dell 100-Mbps - page 3

    v Contents Chapter 1 System Ov erv iew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 System Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Dual-Processor Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Advanced Expansion Subsystem ...

  • Dell 100-Mbps - page 4

    vi Chapter 2 Basic Trouble sho oting . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Initial User Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 External Visual Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Observing the Boot Routine . . . . ...

  • Dell 100-Mbps - page 5

    vii Terminator Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23 Add-In Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24 System Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25 System Board . . . . . . . . . . . ...

  • Dell 100-Mbps - page 6

    viii Figure 4-16. Expansion-Card Cage Removal . . . . . . . . . . . . . . . . . . . . . . 4-17 Figure 4-17. Expansion-Card Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 Figure 4-18. Riser Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 Figure 4-19. DIMM Removal . . . . . . . . . . . . . . . . . . ...

  • Dell 100-Mbps - page 7

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  • Dell 100-Mbps - page 8

    R ead This First W arnings, Cautio ns, and N otes Throughout this manual, there may be blocks of text printed in bol d type or in italic type. These blocks are warnings, cautions, a nd notes, and they are used as follows: NO TE: A NO TE pr ovides helpful information about using the computer system. A prerequisite for using this m anual to service D ...

  • Dell 100-Mbps - page 9

    System Overview 1-1 Chapter 1 System Overview T his service manual covers the Dell ® OptiPlex ® GX pr o high-speed, upgrad- able desktop systems, which use the Intel ® Pe ntium ® Pro family of microprocessors. These Dell systems incorporate the high-pe rformance PCI local bus as well as the ISA expansion bus. These buses are built into the syst ...

  • Dell 100-Mbps - page 10

    1-2 Dell Opt iPlex GX pro System s Ser vice M anual S ystem Features In addition to the standard features found in a traditional personal computer , t he Dell OptiPlex GX pr o desktop systems include the following new and/or advanced fea tures: • Dual-processor ca pability . • Advanced combination ISA and PCI expansion subsystem. • Plug and P ...

  • Dell 100-Mbps - page 11

    System Overview 1-3 Figure 1-1. System Unit Ori entation CAUTION: T o avoid possible data or file structure corruptions, the front-panel reset button sh ould be used onl y when the system cannot be r ebooted by pressin g <Ctrl><Alt><De l>. Before you use the r eset button to initiate a hardware reset, close an y open application p ...

  • Dell 100-Mbps - page 12

    1-4 Dell Opt iPlex GX pro System s Ser vice M anual Figure 1-2. Front-Panel Features Figure 1-3. Internal V iew reset button hard-disk drive access indicator power button power indicator parallel port connec tor drive cage DC power cable diskette/tape drive interface cable hard-disk drive bracket power supply system board voltage selection switch A ...

  • Dell 100-Mbps - page 13

    System Overview 1-5 Dual-Processor Capability W ith the installation of a microprocessor add-in ca rd in the terminator card slot, the system unit becomes a dual-processing system. The add-in card’ s micro- processor must have the same freque ncy and cache size as the system boar d’ s microprocessor . I n order to take advanta ge of two process ...

  • Dell 100-Mbps - page 14

    1-6 Dell Opt iPlex GX pro System s Ser vice M anual Hard-Disk Drive Options The hard-disk drive bracke t is located next to the drive bays at the front of the system unit. The system unit can contain up to two, one-inch-high, hard-disk drives or one, 1.6-inch-high, half-height and one, one-inch-high, hard-disk drive. Enhanced Dual-Interface EIDE Su ...

  • Dell 100-Mbps - page 15

    System Overview 1-7 NIC GX pr o systems contain either an integrated 10-Mbps or 10/100-Mbps 3Com NIC. GX pr o systems containing the 10-Mbps Ethernet NIC have a built-in int e- grated 3Com 3C915 NIC chip. GX pr o systems containing the 10/100-Mbps Ethernet NIC have a built-in integrated 3Com 3C 916 Ethernet NIC chip. The NIC subsystem connects to t ...

  • Dell 100-Mbps - page 16

    1-8 Dell Opt iPlex GX pro System s Ser vice M anual SMART Support The system has SMAR T-compliant hard-disk drives and SMAR T support in the system BIOS, which warns you at system start-up if a hard-disk drive has become unreliable. S ystem Unit The following subsections provide servi ce-r elated information about the system unit. System Power Supp ...

  • Dell 100-Mbps - page 17

    System Overview 1-9 1 Pin 1 1 — PSON# should measur e between +4 and +5 VD C except when the power b utton on the fr ont panel is pr essed, taking PSON# to its active-low s tate. 2 Pin 19 — Ther mal fan-speed co ntro l (TFSC) is a pow er-supply in put signa l used to con trol power-su pply fan s peed in s pecial applicatio ns. 3 Pin 5 — PWRGO ...

  • Dell 100-Mbps - page 18

    1-10 Dell OptiPlex G X pro System s Ser vice M anual Figure 1-7. DC Power Connector P7 DC Power Distribution Figures 1-8 and 1-9 provide the following information about DC power distribution: • Power-supply connector identification • Power cable connections for diskette, tape , CD-ROM, and hard-disk drives • Power distribution to sockets and ...

  • Dell 100-Mbps - page 19

    System Overview 1-1 1 Figure 1- 9. P ower Distri bution P3 +5 VDC +12 VDC –12 VDC +12 VDC +12 VDC –12 VDC 3.5-inch diskette drive system power supply PSON# +5 VFP +5 VDC –5 VDC +12 VDC –12 VDC PWRGOOD PSON# +5 VFP +5 VDC –5 VDC +12 VDC –12 VDC powe r management logic keyboard controller battery +3 VDC P1 POWER1 +5 VDC –5 VDC +12 VDC ? ...

  • Dell 100-Mbps - page 20

    1-12 Dell OptiPlex G X pro System s Ser vice M anual System Board Layout The subsections that follow provide service-related information about the sys- tem board components. Figure 1-10. System Board Components Vi deo Memory See the documentation from the video card manufacture r that came with your system for information on removing and replacing ...

  • Dell 100-Mbps - page 21

    System Overview 1-13 Main Memory The four DIMM sockets on the system board can accommodate combinations of 16-, 32-, 64-, and 128-MB DIMMs up to a total memory ca pacity of 512 MB. The system is shipped with high-speed (60-ns) EDO DIMMs that provide ECC functionality when used with the Intel 82440FX PCIset. EDO parity mode DIMMs can be mixed, as fo ...

  • Dell 100-Mbps - page 22

    1-14 Dell OptiPlex G X pro System s Ser vice M anual I nterrupt Assignments T able 1-2. Jumper Descriptions Jumper Descripti on Default Setting PSWD Password enable/disa ble. Jumper installe d, activates password fea ture. Installed (password feature enable d) BIOS Used for internal Dell debug tool. Not in stalled ( r eserved, do not chan ge ) RSR ...

  • Dell 100-Mbps - page 23

    System Overview 1-15 D MA Channel Assi gnments IRQ8 Generated by keyboard c ontroller for each tick of R TC. IRQ9 A vailable for use by expansion card. IRQ10 A vailable for use by expansion card. IRQ1 1 A vailable for use by expansion ca rd. IRQ12 Generated by keyboard controller to indicate that mous e’ s output buf fer is full. IRQ13 Generated ...

  • Dell 100-Mbps - page 24

    1-16 Dell OptiPlex G X pro System s Ser vice M anual T echnic al Specifications T able 1-5. T echnical Specif ications Microprocessor Microprocessor type . . . . . . . . Intel Pentium Pro microprocessor Microprocessor speed . . . . . . . 200 or 180 MHz First-level cache . . . . . . . . . . . 16 KB Second-level cache . . . . . . . . . 256 KB for 180 ...

  • Dell 100-Mbps - page 25

    System Overview 1-17 Syst em Clo cks System clock . . . . . . . . . . . . . . 60 or 66 MHz (matches external processor speed) Diskette/communicatio ns ports . . . . . . . . . . . . . . . . . . . . 24 MHz from the system clock Memory Architecture . . . . . . . . . . . . . . 64-bit, noninterleaved DIMM sockets . . . . . . . . . . . . four DIMM capaci ...

  • Dell 100-Mbps - page 26

    1-18 Dell OptiPlex G X pro System s Ser vice M anual Ports (continued) Internally accessible: EIDE hard-disk drive . . . . two 40-pin connectors on PCI local bus Diskette drive . . . . . . . . . . 34-pin connector Vid eo V ide o type. . . . . . . . . . . . . . . . PCI video card (see manufacturer ’ s specifica- tions) Key Combinations <C t r l ...

  • Dell 100-Mbps - page 27

    System Overview 1-19 z Physica l Height . . . . . . . . . . . . . . . . . . . 16. 5 c m ( 6 . 5 in c he s) W idth . . . . . . . . . . . . . . . . . . . . 41 . 9 c m ( 1 6 . 5 in c he s) Depth . . . . . . . . . . . . . . . . . . . . 44.5 cm (17.5 inches) Environmental W eight . . . . . . . . . . . . . . . . . . 12.7 kg (28 lb) or more, depending on ...

  • Dell 100-Mbps - page 28

    1-20 Dell OptiPlex G X pro System s Ser vice M anual ...

  • Dell 100-Mbps - page 29

    Basic T roubl eshooti ng 2-1 Chapter 2 Basic T roubleshooting T his chapter describes basic troubleshooting procedures that can help you diagnose a computer system problem. These procedure s can often reveal the source of a problem or indicate the correct starting point for troubleshooting the system. A brief explanation of how to load and start th ...

  • Dell 100-Mbps - page 30

    2-2 Dell Opt iPlex GX pro System s Ser vice M anual E xternal V isual Inspection The external visual inspection co nsists of a quick inspection of the exterior of the system unit, the monitor , the ke yboard, any peripherals, and cables. While performing the visual inspection, make any necessary cor rections. T o perform the external visual inspect ...

  • Dell 100-Mbps - page 31

    Basic T roubl eshooti ng 2-3 8. Insp ect the exterior of the system unit, includi ng all controls and indica- tors, and all user-accessible data storage devices for any signs of physical damage. Does the inspection reveal any problems? Ye s . Procee d to the appropriate procedure in Chapter 4, “Removing and Replacing Parts.” No . Proceed to the ...

  • Dell 100-Mbps - page 32

    2-4 Dell Opt iPlex GX pro System s Ser vice M anual • System err or messages: These messages ca n indicate problems or pro- vide status information. If a system error message is displayed, see T able 3-2. • Beep codes: A beep code is a series of beeps that indicates an error con- dition. If the syste m emits a be ep code, see T able 3-1. N O T ...

  • Dell 100-Mbps - page 33

    Basic T roubl eshooti ng 2-5 T o reseat the microprocessor , remove it from its socket and reinstall it as described in “Microprocessor/Hea t Sink Assembly” in Chapter 4. T o reseat a DIMM, remove it from its socket and reinstall it as described in “DIMMs” in Chapter 4. If you need to reseat an expa nsion card, use a 1/4 - inch nut driver t ...

  • Dell 100-Mbps - page 34

    2-6 Dell Opt iPlex GX pro System s Ser vice M anual T o start the diagnostics, turn off the system uni t, insert a diagnostics diskette into drive A, and then turn on the system unit. Starting the diagnostics causes the Dell logo screen to appear on the monitor screen, followed by a message indicating that the diagnostics is loading. Before the dia ...

  • Dell 100-Mbps - page 35

    Beep C odes and E rror Mes sages 3 -1 Chapter 3 Beep Codes and Error Messages T his chapter describes beep c odes and system error messages that can occur during system start-up or , in the case of some failures, during normal system operation. The tables in this chapter list faults that can cause a beep c ode or sys- tem error message to occur and ...

  • Dell 100-Mbps - page 36

    3-2 Dell Opt iPlex GX pro System s Ser vice M anual 1-3-1 Main-memory refresh ver ifi- cation fa ilure Faulty or improperly seated DIMMs or defective system board 1-3-3 1-3-4 1-4-1 1-4-2 2-1-1 through 2-4-4 Chip or data line failure in the first 64 KB of ma in memory Odd/even logic failure in the first 64 KB of ma in memory Address line failure in ...

  • Dell 100-Mbps - page 37

    Beep C odes and E rror Mes sages 3 -3 S ystem Error Messages T able 3-2 lists (in alphabetical order) system error messages that can appear on the monitor screen. These messages can help you find the source of a problem. Some of these error message s indicate fatal errors. When a fata l error occur s, the system usually cannot be rebooted until an ...

  • Dell 100-Mbps - page 38

    3-4 Dell Opt iPlex GX pro System s Ser vice M anual T able 3-2. System Error Messa ges Message Definition Probable Causes Address mark not found Attachment failed to respond BIOS found faulty disk sector or could not find particular disk sector . Diskette drive or hard- disk drive controller cannot send data to associated dri ve. Faulty diskette/ta ...

  • Dell 100-Mbps - page 39

    Beep C odes and E rror Mes sages 3 -5 Diskette sub- system reset failed System could not suc- cessfully issue reset command to di skette controller . Faulty diskette/tape drive controller (defec tive sys- tem board). Diskette write pro- tected Diskette wri te-pro tect feature activated. Diskette write-protec ted. Drive not ready Diskette missing fr ...

  • Dell 100-Mbps - page 40

    3-6 Dell Opt iPlex GX pro System s Ser vice M anual Invalid con- figuration information - please run SETUP program System Setup program contains incorrect system configuration settings. Incorrect conf iguration settings in System S etup program or faulty battery . Keyboard clock line failure Keyboard fail- ure Keyboard data line failure Keyboard st ...

  • Dell 100-Mbps - page 41

    Beep C odes and E rror Mes sages 3 -7 Memory address line failure at address , read value expect - ing value Memory da ta line fa ilur e at addres s , read value expecti ng value Memory do uble word lo gic failure at address , read value expect - ing value Memory od d/ even lo gic failure at address , read value expect - ing value Memory wr ite/ re ...

  • Dell 100-Mbps - page 42

    3-8 Dell Opt iPlex GX pro System s Ser vice M anual No boot device avail- able System does not recog- nize diskette drive or hard-disk drive from which it is trying to boot. Faulty diskette, diskette/ tape drive subsystem, hard-disk drive, hard-disk drive subsystem, or no boot disk in drive A. No boot sec- tor on hard-disk drive Configuration setti ...

  • Dell 100-Mbps - page 43

    Beep C odes and E rror Mes sages 3 -9 Sector not found MS-DOS unable to locate sector on diskette or hard-disk drive. Defective sectors on dis- kette or hard-disk drive. Seek error MS-DOS unable to locate specific track on diskette or hard-disk drive. Defective diske tte or hard-disk drive. Seek opera- tion failed System could not find particular a ...

  • Dell 100-Mbps - page 44

    3-10 Dell OptiPlex G X pro System s Ser vice M anual Warning- Temperature is too high At system start-up, BIOS detected that one or both micro- processors have overheated. One or both micro- processors are too hot. Write fault Write fault on selected drive MS-DOS cannot write to diskette or hard-disk drive. Faulty diskette or hard- disk drive. T ab ...

  • Dell 100-Mbps - page 45

    Removin g and Re placing Parts 4 -1 Chapter 4 Removing and Replacing Parts T his chapter provides procedures f or removing the components, assemblies, and subassemblies in the system unit. Unless otherwise noted, each procedure assumes the following: • Y ou have performed the steps in “Pr ecautionary Measures” f ound later in this chapte r . ...

  • Dell 100-Mbps - page 46

    4-2 Dell Opt iPlex GX pro System s Ser vice M anual P recautionary Me asures Before you perform any of the proce dures in this chapter , take a f ew moments to read the following war ning for your per sonal safety and to prevent damage to the computer system from ESD. W ARNING FOR YOUR PERSONAL SAFETY AND PRO TECTIO N OF TH E EQUIPM ENT : Before yo ...

  • Dell 100-Mbps - page 47

    Removin g and Re placing Parts 4 -3 F loor Stand Figure 4-1. Floor Stand Removal T o remove the floor stand, follow these steps: 1. Place lef t side of the system unit on a flat work surface. 2. Unscrew the floor stand scr e w . Use your fingers or a wide flat-blade screwdriver to unscrew the floor stand screw . The scre w is captured and separated ...

  • Dell 100-Mbps - page 48

    4-4 Dell Opt iPlex GX pro System s Ser vice M anual S ystem Unit Cover Figure 4-2. System-U nit Cover Remov al T o remove the system unit cover , follow these steps: 1. Remove t he padlock if one is installed. Figure 4-3. Padlock R emova l 2. Press in the two securing buttons until the cover is free to swing up . 3. Lift the c over , from the back, ...

  • Dell 100-Mbps - page 49

    Removin g and Re placing Parts 4 -5 E ject, Power , and Reset B uttons Figure 4-4. E ject, Power , and Reset Button Remova l T o remove the eject, power , and r eset buttons, follow these steps: 1. Lay the system unit cover upside down on a flat work surface, with the back of the cover facing you. 2. T o re move the 3.5-inch diskette-dr ive eject b ...

  • Dell 100-Mbps - page 50

    4-6 Dell Opt iPlex GX pro System s Ser vice M anual F ront-Panel Inserts Figure 4-5. Front-Panel Insert Removal T o remove a front-panel insert, follow these steps: 1. Lay the system unit cover upside down on a flat work surface, with the back of the cover facing you. 2. For a 5.25-inch bay , pull the insert fr om the two retaining posts until the ...

  • Dell 100-Mbps - page 51

    Removin g and Re placing Parts 4 -7 I ndicator Card Figure 4-6. Indicator Card Removal T o remove the indicator card, follow these steps: 1. Remove the hard-disk drive bracket. See “Drives” found later in this chapter . 2. Remove the spea ker conn ector from the indi cator car d. 3. Di sconnect th e indicat or cable from the sy st em bo ar d. S ...

  • Dell 100-Mbps - page 52

    4-8 Dell Opt iPlex GX pro System s Ser vice M anual S peaker Figure 4-7. Speaker Removal T o remove the speaker , follow these steps: 1. Re move the hard-disk drive bracket. See “Drives” found later in this chapter . 2. Remove the spea ker conn ector fr om the in dicato r car d. 3. Lift the speaker out of the r etaining slots on the fr ont of t ...

  • Dell 100-Mbps - page 53

    Removin g and Re placing Parts 4 -9 D rives Figure 4-8 shows an example of drive ha rdware that can be installed in the sys- tem unit. Refer to this figure when you perform any of the proce dures in the following subsections. Figure 4-8. Driv e Hardware diskette/tape drive interface cable DC power cable DSKT connector system power supply two-bay dr ...

  • Dell 100-Mbps - page 54

    4-10 Dell OptiPlex G X pro System s Ser vice M anual Drives in the Drive Cage Figure 4-9. 3.5-Inch Dis kette Drive R em ov a l T o remove a drive from the 3.5-inch diskette dr ive bay , follow these steps: 1. Di sconnect the DC power cable and th e interface cab le from the back of the drive. 2. Re move the bracket retaining scre w . 3. Re lease th ...

  • Dell 100-Mbps - page 55

    Removin g and Re placing Parts 4-1 1 Figure 4- 10 . 5.25 -Inch Dri v e R em ov al T o remove a 5.25-inch drive from the middle or lower dr ive bay , follow these steps: 1. Discon nect the D C power cabl e and the inte rface cab le from the back of the dri ve. 2. Press out on the two r etaining tabs on the sides of the drive bay , slide the drive fo ...

  • Dell 100-Mbps - page 56

    4-12 Dell OptiPlex G X pro System s Ser vice M anual Hard-Disk Drives Figure 4-1 1. Hard-Di sk Drive Bracket Removal T o remove a hard-disk drive bra cket, follow these steps: 1. Disconne ct the DC power c able( s) and the int erfac e cable(s) fr om th e back of th e driv e(s) . 2. Re move the screw that secure s the hard-disk drive bracket to the ...

  • Dell 100-Mbps - page 57

    Removin g and Re placing Parts 4-13 Figure 4- 12 . Hard-Di sk Dri ve Remo val T o remove a hard-disk dr ive, follow these steps: 1 . R e m o v e t h e ha rd-disk drive bracket from the sy stem unit. See the preceding procedure . 2. Remove the four screws that secur e the hard-disk drive(s) to the brack et. 3. Slide the drive (s) out of the h ard-di ...

  • Dell 100-Mbps - page 58

    4-14 Dell OptiPlex G X pro System s Ser vice M anual S ystem Power Supply Figure 4-13. Power Supply Removal T o remove the system power supply , follow these steps: 1. Disconnect the AC power cable from the back of the power supply . 2. Disconnect the DC power cables from the system board, drives, and expansi on cards. 3 . F r e e the system power ...

  • Dell 100-Mbps - page 59

    Removin g and Re placing Parts 4-15 M icroprocessor Fan Figure 4-14. Microprocessor Fan Removal T o remove the system power supply , follow these steps: 1. Rotate the power su pply to the r ight to access t he microprocessor fan connector . See “ System Power Supply ,” found earlier in this chapter . 2. Sq eeze the latch and pull out th e fan p ...

  • Dell 100-Mbps - page 60

    4-16 Dell OptiPlex G X pro System s Ser vice M anual S ystem Board Com ponen ts The subsections that follow contain procedures for removing system board components. Figure 4-15. System Board Components serial port 1/parallel port connectors (stack ed) (P ARALLEL/SERIA L) diskette/tape drive interface connector (DSKT) fron t of system unit primary E ...

  • Dell 100-Mbps - page 61

    Removin g and Re placing Parts 4-17 Expa nsion Car ds The system unit has a removable expansion-card cage. The expansion cards fit into connectors on a riser board. Dell rec ommends that you remove the expansion-card cage first before removing or installing expansion cards. Expansi on-Card Cage Figure 4-16. Expansion-Card Cage Removal T o remove an ...

  • Dell 100-Mbps - page 62

    4-18 Dell OptiPlex G X pro System s Ser vice M anual Expansion Card Figure 4-17. Expansion-Card Removal T o remove an expansion car d, follow these steps: 1. Re move the expansion-card cage. See the preceding proce dure. 2. Re move the retaining scr e w from the card-mounting bracket. 3. Grasp the expansion card by its corners, and car efully remov ...

  • Dell 100-Mbps - page 63

    Removin g and Re placing Parts 4-19 Riser Board Figure 4-18. Riser Board Removal T o remove the riser board, follow thes e steps: 1. Remove the expansion-car d cage and all expansion cards. See the preceding two procedure s. 2. On a flat work surfac e, turn the expansion-card cage over , with the riser board facing you. 3. Remove the riser -board r ...

  • Dell 100-Mbps - page 64

    4-20 Dell OptiPlex G X pro System s Ser vice M anual DIMMs Figure 4-19 . DIMM Remov al T o remove a DIMM , push outward on the DIMM socket ’ s securing clips until the DIMM is relea sed from its socket. Then lift t he DIMM away from the socket. Figure 4-20. DIMM Ins tallation T o replace a DI MM, press outward on the securing clips at each end of ...

  • Dell 100-Mbps - page 65

    Removin g and Re placing Parts 4-21 Microprocessor/Heat Sink Assembly Figure 4-21. Microprocessor Securing Clip T o remove the microproce ssor/heat sink assembly , follow these steps: 1. Remove the micropr ocessor securing clip fr om the micropr ocessor/heat sink assemb ly . Press down on the folded pa rt of the clip with a small sc rewdriver to re ...

  • Dell 100-Mbps - page 66

    4-22 Dell OptiPlex G X pro System s Ser vice M anual Figure 4-22 . Microprocessor Removal If you ar e installing a new micr opr ocessor/heat sink assembly , you need to place the thermal inte rface pad that comes with the repla cement microprocessor between the microprocessor and the hea t sink before reinstalling the securing clip. heat sink secur ...

  • Dell 100-Mbps - page 67

    Removin g and Re placing Parts 4-23 T erminator or Add-In Card The system unit may have a terminator card or a se condary microproce ssor (dual-processing systems) on an add-in card installed on the syst em board. This section describes removing and replacing the ter minator card and the add-in card. T erminator Card Figure 4-23. T erminator Card R ...

  • Dell 100-Mbps - page 68

    4-24 Dell OptiPlex G X pro System s Ser vice M anual Add-In Card Figure 4-24. Add-In Card R e m o v a l T o remove an add-in car d, follow these steps: 1. Gently grip the card’s metal mounting bracket with both han ds. 2. Pull up until the card is freed from the connector . T o r ein sta ll th e card , with the meta l mounting brac ket facing the ...

  • Dell 100-Mbps - page 69

    Removin g and Re placing Parts 4-25 System Battery Figure 4- 25 . Syste m Batter y Remov al T o remove the system battery , follow these steps: 1. If possible, enter the System Setup program, and make a printed copy of the System Set up screens. 2. Rotate the power supply out of the way . See “System Power Supply” found earlier in this chapter ...

  • Dell 100-Mbps - page 70

    4-26 Dell OptiPlex G X pro System s Ser vice M anual S ystem Board Figure 4-26 . System B oard Remova l T o remove the system board, follow these steps: 1. Disconnect all cables from their connectors at the back of the system unit. 2. Re move the expansion-card cage. 3. Re move the micropr ocessor fan. 4. Disconnect all cables from the system board ...

  • Dell 100-Mbps - page 71

    Syste m Setup P rogram A-1 Appendix A System Setup Program T his appendix describes the System Setup program, which is used to change the system configuration information stored in NVRAM on the system board. T o enter the System Setup program, follow these steps: 1. T urn on (or r eboot) the system. 2. Press <Ctrl><Alt><Enter> imm ...

  • Dell 100-Mbps - page 72

    A-2 Dell Opt iPlex GX pro System s Ser vice M anual S ystem Setup Screens Figure A-1. System Setup Screens Drives: Primary Type Cyls Hds Pre LZ Sec Size Drive 0: Auto 524 32 -1 524 63 540 Drive 1: None Microprocessor: Pentium Pro-200 Level 2 Cache: 512 KB Integrated System Memory: 64 MB ECC EDO Service Tag: XXXXX Esc exit change values Integrated D ...

  • Dell 100-Mbps - page 73

    Syste m Setup P rogram A-3 T able A-1. System Setup Categories Category Function T ime Resets time on s y s t e m ’ s i n t e r n a l c l o c k . Date Resets date on system’ s interna l calendar . D iskette Drive A Diskette Drive B Identifies type of diskette drives installed. Cat- egory options always match physical locations of drives in syst ...

  • Dell 100-Mbps - page 74

    A-4 Dell Opt iPlex GX pro System s Ser vice M anual Reserved Memory Designates a region of system board memory that can be supplied by an expansion card. This feature should not be enabled unless an expansion card that require s special addres sing is installed. Fast V ideo BIOS Enables shadowing and c aching the BIOS for a video card i nsta lled i ...

  • Dell 100-Mbps - page 75

    Syste m Setup P rogram A-5 Power Management W ith the Power Management c a t e g o r y enabled, DPMS m onitors and most E IDE drives aut omatically s witch into low -power mode during pe riods of s ystem inac tivit y . CAUTI ON: Befor e enabling this fea tur e, check the monitor docume ntation to make sur e the system has a DPMS-compliant monitor . ...

  • Dell 100-Mbps - page 76

    A-6 Dell Opt iPlex GX pro System s Ser vice M anual Microprocessor Displays type of microprocessor installed. Level 2 Cache Displays size of level-2 cache memory in microprocessor . System Memory Displays entire amount of installed memory detected in system, except for memory on EMS expansion cards. If EDO DIMMs are installed, EDO is dis- played ne ...

  • Dell 100-Mbps - page 77

    Index 1 Index Numbers 3.3-V power input connectors , 1-12, 4-16 A AC power receptacle , 1-4 add-in card, removal , 4 -24 audio controller , 1-6 B battery illustrated , 4-25 removing and replacing , 4-25 socket , 1-12, 4- 16 beep codes , 3-1 BIOS c hip , 1-12, 4-16 boot routine, observing when trouble- shooting , 2-3 bracket hard-disk drive , 1-4, 4 ...

  • Dell 100-Mbps - page 78

    2 Dell Opt iPlex G X pro System s Ser vice M anual drives , 1-17, 4- 9 DSKT connector , 1-12, 4-16 dual-processing , 1 -5 E ECC DIMMs , 1-2 EDO DIMMs , 1-2, 1-13 EIDE connectors , 1-12, 4-9 , 4-16 eject but ton removal , 4-5 enhanced dual-interf ace EIDE subsystem , 1-6 error messages, system, list of , 3-3 ESD , 4-2 expansion cards card-slot openi ...

  • Dell 100-Mbps - page 79

    Index 3 L LINE-IN connector , 1-12, 4- 16 line-in jack , 1-4 , 1- 12, 4- 16 M memory, main , 1-2, 1-13 messages, error , 3-3 microphone jack , 1-4, 1- 12 microprocessor release le ver , 4-21 removal , 4-21 secondary, removal , 4-23 socket , 1-12, 4- 16 microprocessor fan removal , 4-15 mouse connector location on back panel , 1-4 location on system ...

  • Dell 100-Mbps - page 80

    4 Dell Opt iPlex G X pro System s Ser vice M anual subsystems advanced expansion , 1-5 enhanced dual-interfac e EIDE , 1- 6 mai n me mor y , 1-13 video memory , 1-12 switch, voltage selection , 1-4 system board components removal , 4-16 illustrated , 1-12 jump er s , 1-13 location inside chassis , 1-4 removing and replacing , 4-26 system board jump ...

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