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Dell 2100/180 manual

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Table of contents for the manual

  • Page 1

    Dell ® PowerE dge ® 2 100/180 an d 2100/200 Sy stems Dell ® PowerE dge ® 2 100/180 an d 2100/200 Sy stems SERVICE MANUAL Model MMM ®[...]

  • Page 2

    [...]

  • Page 3

    ® Dell ® PowerEdge ® 2100/180 and 2100/200 Systems SERVICE MANUAL[...]

  • Page 4

    Informati on in thi s docum ent is subjec t to ch ange witho u t noti ce .  1996 Dell Com pute r Co rporation. A ll ri ghts reserved. Reprodu ction in any man ner whatsoe ve r w it hou t the written per mission of Dell C om puter Corp oration is stric tl y for bidden. Tr ademar ks us ed in this te xt: Del l, the DELL logo, and Po werEd ge are re[...]

  • Page 5

    Index 1 Index B battery, removal , 4-18 beep codes , 3-1 bezel, removal , 4-4 boot routine, observing when troubleshooting , 2-3 bracket, hard-disk drive, remova l , 4- 10 C cables, DC power , 1-12 CD-ROM drive access indicator l ocation , 1-3 location , 1-4, 4-7 removal , 4-8 computer back/left side internal view , 1-5 cover removal , 4-3 front/ri[...]

  • Page 6

    2 Dell Powe rEdge 21 00/180 and 210 0/200 System s Ser vice M anual expansion-card slots , 1- 6 expansion-cards, removal , 4-11 external visua l inspection , 2-2 externally-accessible drives, removal , 4-8 F front bezel features , 1-3 insert removal , 4-5 removal , 4-4 H hard-disk SCSI drives bracket removal , 4-10 location , 4-7 hard-disk drives, [...]

  • Page 7

    Index 3 S SCSI controller, integra ted , 1-7 SCSI devices, ID numbers , 1-8 SCSI hard-disk drives. See also drives specifications, technical , 1-19 subsystems, advanced expansion , 1-6 system battery removal , 4-18 system board component locations , 4-14 illustrated , 1-14 removal , 4-19 system cooling fan, removal , 4-13 system error messages, lis[...]

  • Page 8

    Figures xi DELL CONFIDENTIA L Preliminar y 4/19 /00 Figure 1-1. Computer Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Figure 1-2. Front-Bezel Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Figure 1-3. Front/Right Side Internal View . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 9

    xii DELL CO NFIDENTIAL Pre liminary 4/1 9/00 Figure A-2. Boot Options Submenu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-5 Figure A-3. Advanced Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-6 Figure A-4. Security Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 10

    Tables xiii DELL CONFIDENTIA L Preliminar y 4/19 /00 Table 1-1. DC Voltage Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 Table 1-2. Jumper Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16 Table 1-3. Interrupt Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 11

    xiv DELL CO NFIDENTIAL Pre liminary 4/1 9/00[...]

  • Page 12

    v Contents Chapter 1 Syste m O verv iew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 System Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 System Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Advanced Exp[...]

  • Page 13

    vi Chapter 2 Basic T roub leshoo ting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Initial User Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 External Visual Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Observing the Boot R[...]

  • Page 14

    vii Appendix A Syste m S etup P rog ram . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 System Setup Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Screen Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Key Function Box . . . . .[...]

  • Page 15

    viii Figure 4-7. Drive-Mounting Rails and Extensions Removal . . . . . . . . . . . . . 4-9 Figure 4-8. Hard-Disk Drive Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10 Figure 4-9. Expansion Card Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11 Figure 4-10. Power Supply Removal . . . . . . . . . . . . . .[...]

  • Page 16

    ix[...]

  • Page 17

    R ead This First W arnings, Cautions, and Notes Throughout this manual, there may be blocks of te xt printed in bold type or in italic type. These blocks are warnings, cautions, and notes, and they are used as follo ws: NO TE: A NO TE pr ovides helpful infor mation about using the computer system. A prerequisite for using this manual to service Del[...]

  • Page 18

    Syste m Over view 1-1 Chap te r 1 System Overview T he Dell ® PowerEdge ® 2100/180 and 2100/200 syst ems, covered in t his man- ual are high-speed, upgr adable, server systems, which use the Intel ® Pentium ® Pro family of microprocessors. PowerEdge 2100 systems incorporate the high- performance periphe ral component interconnect (PCI) loca l b[...]

  • Page 19

    1-2 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al S ystem Features In addition to the standard features found in a tra ditional personal computer , Dell PowerEdge 2100 systems include the following new and/or advanced feature s: • 256 KB of cache memory internal to the Pentium Pro module • 16 MB of 72-bit wide, buf fered, ex[...]

  • Page 20

    Syste m Over view 1-3 When following the text in this manual, assume that the location or direction relative to the computer is as shown in Figure 1-1. Figure 1-1. Computer Orientation Figure 1-2. Front-Bezel Features CAUTION: T o avoid possible data or file structur e corruptions, the front-bezel r eset button should be used only when t he system [...]

  • Page 21

    1-4 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al Figure 1-3. Front/Right Side I nt ernal V iew system power supply diskette controller cable system board mounting plate diskette drive power cables system c ooling fan control panel cable SCSI c able CD-ROM drive internal hard-disk drive cage third drive bay control panel assembl[...]

  • Page 22

    Syste m Over view 1-5 Figure 1-4. Back/L eft Si de Interna l V iew SCSI hard- disk drive cage SCSI cable hard-disk-drive power cables system board AC power input c onnector I/O panel connectors externally-accessible drive bays (3) voltage selection switch[...]

  • Page 23

    1-6 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al System Me mory System memory has a minimum of 16 MB of 72-bit wide, buffered, EDO-type memory . The system memory capacity can be expande d up to 256 MB by using combinations of 16-, 32- , and 128-MB buffered, EDO- type dual in-line memory modules (DIMMs). The system board has fo[...]

  • Page 24

    Syste m Over view 1-7 V ideo Contro ller The video subsystem is bu ilt into the syste m board and consists of a high-speed, high-resolution VGA-compatible video subsystem. The video controller is con- nected to the PCI local bus. The standard video subsystem contains 1 MB of video memory (the video memory size is not upgradable). Maximum noninterla[...]

  • Page 25

    1-8 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al SCSI ID Numbers Each device attached to the SCSI host adapter must have a unique SCSI ID number from 0 to 15. See Chapter 9, “Installing Drives in the Internal Bays” in the User’ s G uide for additional SCSI addressing information. NOTE: Any narr ow SCSI devices installed i[...]

  • Page 26

    Syste m Over view 1-9 • If you install an optional SCSI controller card to control the C D-ROM drive and any other SCSI device in the externally-a ccessible drive bays, you must enable termination for the SCSI controller card and the SCSI device at the end of the SCSI interface cable (pr eferably the CD-ROM drive). See the documentation that came[...]

  • Page 27

    1-10 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual System Unit The following subsections provide service-related information about the comp uter . System Power Suppl y The 230-W system power supply can operate from an AC power source of 1 15 V AC at 60 Hz or 230 V AC at 50 Hz. The system power supply provides the DC operating vo[...]

  • Page 28

    Syste m Over view 1-1 1 1 Pin 1 1 — PS ON# should measur e between +4 and +5 VDC excep t when the po wer butto n on the front panel is p r essed, taking PSON# to its active-low state . 2 Pin 5 — PWRGOOD sho uld measure between +4 and +5 VDC when the power supply is on and oper- ating to indic ate that all pow er-supply ou tput volta ges ar e wi[...]

  • Page 29

    1-12 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual Figure 1-8. DC Power Connectors P7 DC Power Distribution Figures 1-9 and 1-10 provide the following information about DC power distribution: • Power-supply connector identification • Power cable connections for diskette, tape, CD-ROM, and har d-disk drives • Power distribu[...]

  • Page 30

    Syst em Overvie w 1-13 Figure 1-10. DC P ower Distribut i on DIMM_D mai n memory sockets +3.3 VDC core VCC (+2.1 to +3.5 VDC) P3 P2 +5 VFP +5 VFP PSON# +5 VDC –5 VDC +12 VDC –12 VDC battery (+3 VDC ) +3.3 VDC PWRGOOD +5 VFP +12 VDC –12 VDC +5 VDC –5 VDC PSON# POWE R –5 VDC +12 VDC –12 VDC +5 VDC fuse processor core regulator +12 VDC +5 [...]

  • Page 31

    1-14 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual System Board Layout The subsections that follow provide service-related information about the sys- tem board components. Figure 1-1 1. Syst em Board Co mpo nents keyboard (bottom) and mouse (top) connec - tors (KYBD/M OUSE ) video connector (JVGA) parallel port connector (P ARAL[...]

  • Page 32

    Syst em Overvie w 1-15 System Board Jumper Figure 1-12 . Syste m Board Jump er s CARDBIOS VG A EISA PA S S W D 180 MHZ 200 MHZ jumpered unjumpered[...]

  • Page 33

    1-16 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual T able 1-2. Jumper Descriptions Jumper Description Settings 200MHZ Microprocessor speed Installed if the micro- processor ’ s internal speed is 200 MHz, otherwise, not installed. 180MHZ Microprocessor speed Installed if the micro- processor ’ s internal speed is 180 MHz, oth[...]

  • Page 34

    Syst em Overvie w 1-17 Interrupt Assignments T able 1-3. Interrupt Assignments IRQ Line Used By/Available IRQ0 Generated by system timer . IRQ1 Generated by keyboar d controller to indicate that keyboard’ s out- put buf fer is full. IRQ2 Ge nerated inte rnally by inte rrupt controller to enable IRQ8 through IRQ15. IRQ3 and IRQ4 Generated by super[...]

  • Page 35

    1-18 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual DMA Channel Assignments T able 1-4. DREQ Line Assignments DREQ Line Us ed By/A vailable DREQ0 A vailable DREQ1 A vailable DREQ2 Generated by super I/ O controller to initiate DMA c ycle for attached diskette drive DREQ3 A vailable DREQ4 Generated by bus controller chip to activa[...]

  • Page 36

    Syst em Overvie w 1-19 T ech nical Specification s T able 1-5. T echnical Specifications Micro processo r Microprocessor type . . . Intel Pentium Pro microprocessor Microprocessor speed . . 200 or 180 MHz Internal cache . . . . . . . . 256 KB Math coprocessor . . . . . internal to the microprocessor System I nformation System chip set . . . . . . .[...]

  • Page 37

    1-20 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual Integrated SCSI Controlle r T ype . . . . . . . . . . . . . . . Adaptec AIC-7880 ultra wide SCSI controller with integrated 68-pin SCSI connector on the system board Drives Externally accessibl e bays . . . . . . . . . . . . . . . . one 5.25-inch bay (upper bay) dedicated to a 3[...]

  • Page 38

    Syst em Overvie w 1-21 z Vid e o V ideo type . . . . . . . . . . . A TI mac h64 (264VT) PCI video controller with integrated VGA connector V ideo memory (standard) . . . . . . . . . . . 1 MB (not upgradable) Power DC power supply: W attage . . . . . . . . . . 230 W V oltage . . . . . . . . . . 90 to 135 V at 60 Hz; 180 to 265 V at 50 Hz Backup batt[...]

  • Page 39

    1-22 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual[...]

  • Page 40

    Basic T roub leshooti ng 2-1 Chap te r 2 Basic T roubleshooting T his chapter describes basic troubleshooting procedures that ca n help you diagnose a computer system problem. These procedur es 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[...]

  • Page 41

    2-2 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al E xternal V isual Inspec tion The external visual inspection is a quick inspection of the exterior of the system unit, the monitor , the keyboard, any peripherals, and cables. While per forming the visual inspection, make any necessary corre ctions. T o perform the externa l visu[...]

  • Page 42

    Basic T roub leshooti ng 2-3 9. Inspect the exterior of the system unit, including 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 . Proceed to the appropr iate procedure in Chapter 4, “Removing and Replacing Parts.” No . Proceed to the n[...]

  • Page 43

    2-4 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al 4. During the boo t routine, ob serve the system fo r any of the following: • Diskette-drive and har d-disk drive ac cess indicators : These indicators light up in response to data being transferred to or from the drives. If either of these indicators fails to light up during t[...]

  • Page 44

    Basic T roub leshooti ng 2-5 3. V erify that the microp rocessor , DIMMs, and expansion cards, are full y seated in the ir sockets or con nectors. T o reseat the microprocessor , remove it from its socket and re install it as described in “Microprocessor/Heat Sink Assembly” in Chapter 4. T o reseat a DIMM, remove it from its socket and reinstal[...]

  • Page 45

    2-6 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al R unning th e Diskette-Based Diagnostics The diskette-based diagnostics (included with the system) contain tests that aid in troubleshooting all major components of the computer system. T o start the diagnostics, turn off the system unit , insert a diagnostics diskette into drive[...]

  • Page 46

    Beep C odes and E rror Message s 3-1 Chap te r 3 Beep Codes and Error Messages T his chapter describes beep codes and system err or messages that can occur during POST or , in the c ase of some failures, during normal system operation. The tables in this chapter list faults that can cause a bee p code or system error message to occur and the probab[...]

  • Page 47

    3-2 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al 1-3-1-3 Keyboard controller error Defective DIMMs or sys- tem board. Reseat the DIMMs or replace the sys- tem board. 1-3-3-1 No DIMM memory installed Defective DIMMs or sys- tem board. Reseat the DIMMs or replace the sys- tem board. 1-3-4-1 DRAM failure Defective DIMMs or sys- te[...]

  • Page 48

    Beep C odes and E rror Message s 3-3 S ystem Error Messages T able 3-2 lists (in alphabetical order) system error messages that ca n appear on the monitor screen. These messages can help you find the source of a problem. Some of these er ror messages indicate fatal err ors. When a fa tal error occurs, the system cannot usually be rebooted until an [...]

  • Page 49

    3-4 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al Operating system not found The system did not find a bootable oper- ating system. Use a diske tte with a bootable operating system on it in dri ve A, or load a bootable operating system from the hard-disk drive. System cache error - Cache dis- abled The microprocessor chip malfun[...]

  • Page 50

    Beep C odes and E rror Message s 3-5 Resource conflict The B IOS dete cted a resource conflict while configuring a Plug and Play ISA or PCI expansion card. See “Elimina ting Resource Conflicts” in Chapter 2. Warning: IRQ not ini- tialized The B IOS dete cted a resource conflict while configuring a Plug and Play ISA or PCI expansion card. See ?[...]

  • Page 51

    3-6 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al[...]

  • Page 52

    Removin g and Repl acing Pa rts 4- 1 Chapter 4 Removing and Replacing Parts T his chapter provides procedures for re moving the components, assemblies, and subassemblies in the computer . Unless otherwise noted, eac h procedure assumes the following: • Y ou have perform ed the steps in “Precautionary Measures” found later in this chapte r . ?[...]

  • Page 53

    4-2 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al P recautionary Measures Before you perform any of the procedures in this chapter , take a f ew moments to read the following wa rning for your personal safe ty and to prevent damage to the computer from ESD. W ARNING FOR YOUR PERSONAL SAFETY AND PROTECTION OF THE EQUIPMENT : Befo[...]

  • Page 54

    Removin g and Repl acing Pa rts 4- 3 C omputer Cover Figure 4-1. Computer Cover Removal T o remove the computer cover , follow these steps: 1. Remove the four c over-mounting screws at the back of the computer . 2. Slide the cover backward about one inch, then grasp the front of the cover and the handle at th e back of the cover and lift the cover [...]

  • Page 55

    4-4 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al F ront Bezel Figure 4-2. Front Bezel Removal T o remove the front bezel, follow these steps: 1. Remove t he computer cover . 2. Pry the front bezel loose with your finger tips and r emove it from the chassis. As you pry the front bezel loose, pry at different points around the be[...]

  • Page 56

    Removin g and Repl acing Pa rts 4- 5 F ront-Bezel I nserts Figure 4-3. Front-Bezel Insert Removal T o remove a front-bezel inser t, follow these steps: 1. Remove the front bezel. 2. With the inside of the fr ont bezel facing you; grasp the front bezel with both hands and place your fingers on the outside of the fron t- bezel insert. 3. Push on the [...]

  • Page 57

    4-6 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al C ontrol Panel Assembly Figure 4-4. Co ntrol-Panel Assembly Removal T o remove the control panel assembly , follow these steps: 1. Disc onnect th e control-panel assemb ly cable from the P ANEL c onnec- tor on the system board (see Figure 4-12). The P ANEL connector is near the t[...]

  • Page 58

    Removin g and Repl acing Pa rts 4- 7 D rives Figure 4-5 shows an example of drive har dware that can be installed in the com- puter . Refer to this figure when you perform any of the procedures in the following subsections. Figure 4-5. Drive Ha rdware SCSI har d-disk drives SCSI interface c a ble CD- R OM driv e 3.5-inch diskette driv e DC power ca[...]

  • Page 59

    4-8 Dell Powe rEdge 21 00/180 and 2100/20 0 System s Se rvice Manu al Externally Access ible Drives Figure 4-6. Externally Acc essible Drives Remov a l All of the externa lly accessible drives have drive-mounting rails. The 3.5-inch drives also have drive-mounting extensions between the drive and the drive- mounting rails. T o remove a drive assemb[...]

  • Page 60

    Removin g and Repl acing Pa rts 4- 9 4. If the drive is a SCSI drive, record the setting of the SCSI address jump ers and SC SI bus termi nation jumper . 5. If present, r emove the 50-pin to 68-pin adapter from the SCSI connec- tor on the ba ck of the driv e. Some drives use a 50-pin to 68-pin adapter between the SCSI cable and the drive connector [...]

  • Page 61

    4-10 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual Hard-Disk Drives Figure 4-8 . Hard-Dis k Dr ive Re m oval The hard-disk drives are mounted inside a hard-disk drive br acket. The hard- disk drive bracket must be removed befor e a hard-disk drive can be removed. T o remove a hard-disk drive, f ollow these steps: 1. Lay the comp[...]

  • Page 62

    Removin g and Repl acing Pa rts 4-1 1 E xpansion Cards Figure 4-9. Expansion Card Removal 1. Lay the computer on its right side. 2. Disconnect any cables attached to the expansion card you want to r emove. Be sure to record the location of each ca ble before you disconnect it. 3. Remove the expansion-card retaining scr ew . 4. Grasp the expansion c[...]

  • Page 63

    4-12 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual S ystem Power Supply Figure 4-10. Power S upply Removal T o remove the system power supply , follow these steps: 1. Disc onnect the AC p ower cable from the AC power connector on the back of the pow er supp ly . 2. Disconnect the DC power cables fr om the system board (see Figur[...]

  • Page 64

    Removin g and Repl acing Pa rts 4-13 S ystem Coolin g Fan Figure 4-1 1. System Cooling-Fan Removal T o remove the system cooling fan, follow these steps: 1. Lay the computer on its right side. 2. Disconnect the system cooling-fan cable fr om the F AN connector on the system board (see Figure 4-12). 3. T o loosen the system cooling fan from the chas[...]

  • Page 65

    4-14 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual S ystem Board Components The subsections that follow contain procedures for removing system board components. Figure 4-12. System Board Components video connector (JVGA) parallel port connector (P A RALLEL) serial port 1 (bottom ) and serial po rt 2 (top) connectors (SERIAL) key[...]

  • Page 66

    Removin g and Repl acing Pa rts 4-15 DIMMs Figure 4-13. DIMM Removal T o r e m o v e a D I M M , push ou tward on the DIMM socket’ s securing clips until the DIMM is released from its socket. Then li ft the DIMM away from the socket. Figure 4-14. DIMM Installation T o replace a DIMM, press outward on the securing clips at each end of the socket u[...]

  • Page 67

    4-16 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual Microprocessor/Hea t Sink Assembl y Figure 4-15. Micropr ocessor Securing Clip R emoval T o remove the microprocessor/heat sink assembly , follow these steps: 1. Remove t he system board assembly . 2. Lay the system board assembly on a flat surface. 3. Remove t he micropr ocesso[...]

  • Page 68

    Removin g and Repl acing Pa rts 4-17 Figure 4-16. Microprocessor/Heat Sink Assembly The heat sink and microprocessor are separ ate. Look at the bottom side of the heat sink and peel the thermal-pad protective cover off before attaching the he at sink to the microprocessor . T o in stall the repl acement micropr ocessor/heat s ink assembly , ensure [...]

  • Page 69

    4-18 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual System Battery Figure 4-17. System Battery Removal T o remove the system batte ry , follow these steps: 1. If possible, enter the System Setup program, and make a prin ted copy of the System Setup scr eens (see Appendix A). 2. Lay the computer on its right side. 3. Remove any ex[...]

  • Page 70

    Removin g and Repl acing Pa rts 4-19 S ystem Board Assembly Figure 4-18 . System Boar d Assembl y Remova l T o remove the system board assembly , follow these steps: 1. Disconnect all cables from their connectors at the back of the computer . Be sure to re cord where each cabl e is attach ed. 2. Remove all of the expansion cards. 3. Lay the comput [...]

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    4-20 Dell P owerEdg e 2100/180 and 210 0/200 Sys tems Se rvice M anual System Board Figure 4-19. System Board Removal T o remove the system board, follow these steps: 1. Remove t he system board assembly . 2. Lay the system board assembly on a flat worksurface. 3. Remove t he system-board mounting scr ew . 4. Slide the system board toward the f r o[...]

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