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Dell OptiPlex GXi Systems Service Manual

MA Channel Assignments

Table 1-4. DREQ Line Assignments

DREQ Line

Used By/Available

DREQ0

Available

DREQ1

Available

DREQ2

Generated by super I/O controller to initiate DMA cycle for
attached diskette drive

DREQ3

Available

DREQ4

Generated by bus controller chip to activate second DMA
controller

DREQ5

Available

DREQ6

Available

DREQ7

Available

NOTE: The built-in sound controller, built-in NIC, and built-in video controllers are assigned
available DMA channels automatically during system start-up.

Summary of Contents for OptiPlex GXi

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Page 4: ...d Pentium are registered trademarks and MMX is a trademark of Intel Corporation Microsoft Windows and MS DOS are registered trademarks of Microsoft Corporation IBM is a registered trademark of International Business Machines Corporation 3Com is a registered trademark of 3Com Corporation Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks...

Page 5: ... Computers 1 10 Midsize Computers 1 10 Mini Tower Computers 1 10 Enhanced Dual Interface EIDE Subsystem 1 10 Built In Video Controller 1 10 Built In Audio Controller 1 11 Built In NIC 1 11 Floor Stand 1 12 Computer Service 1 12 System Power Supply 1 12 Pin Assignments for the DC Power Connectors 1 14 DC Power Distribution 1 15 System Board 1 20 Main Memory 1 21 System Board Jumpers 1 21 Interrupt ...

Page 6: ... Messages 3 4 Chapter 4 Removing and Replacing Parts on the Low Profile Chassis 4 1 Recommended Tools 4 1 Precautionary Measures 4 2 Computer Cover 4 3 Eject Power and Reset Buttons 4 4 Front Panel Inserts 4 5 Control Panel 4 6 Drives 4 7 3 5 Inch Diskette Drive Assembly 4 8 5 25 Inch Drive Assembly 4 9 Hard Disk Drive Assembly 4 10 System Power Supply 4 11 System Board Components 4 12 Expansion C...

Page 7: ... Externally Accessible Drive Assemblies 5 9 Hard Disk Drive Bracket 5 11 Hard Disk Drive 5 12 System Power Supply 5 13 System Board Components 5 14 Expansion Cards 5 15 Expansion Card Cage 5 15 Expansion Card 5 16 Riser Board 5 17 DIMMs 5 18 Cache Memory Card 5 19 NIC Daughter Board 5 20 Microprocessor Heat Sink Assembly 5 21 System Battery 5 23 System Board 5 24 Chapter 6 Removing and Replacing P...

Page 8: ...System Board 6 26 Appendix A System Setup Program A 1 System Setup Screens A 2 Index Figures Figure 1 1 Computer Orientation 1 3 Figure 1 2 Front Panel Features 1 4 Figure 1 3 Internal View of the Low Profile Computer 1 5 Figure 1 4 Internal View of the Midsize Computer 1 6 Figure 1 5 Internal View of the Mini Tower Computer 1 7 Figure 1 6 Riser Board for the Low Profile Computers 1 8 Figure 1 7 R...

Page 9: ...4 7 Figure 4 6 3 5 Inch Diskette Drive Removal 4 8 Figure 4 7 5 25 Inch Drive Assembly Removal 4 9 Figure 4 8 Hard Disk Drive Assembly Removal 4 10 Figure 4 9 System Power Supply Removal 4 11 Figure 4 10 System Board Components 4 12 Figure 4 11 Expansion Card Cage Removal 4 13 Figure 4 12 Expansion Card Removal 4 14 Figure 4 13 Riser Board Removal 4 15 Figure 4 14 DIMM Removal 4 16 Figure 4 15 DIM...

Page 10: ... Removal 5 24 Figure 6 1 Computer Cover Removal 6 3 Figure 6 2 Front Bezel Removal 6 4 Figure 6 3 Eject Power and Reset Button Removal 6 5 Figure 6 4 5 25 Inch Front Panel Insert Removal 6 6 Figure 6 5 3 5 Inch Front Panel Insert Removal 6 7 Figure 6 6 Control Panel Removal 6 8 Figure 6 7 Drive Hardware 6 9 Figure 6 8 3 5 Inch Drive Assembly Removal 6 10 Figure 6 9 3 5 Inch Diskette Drive Removal ...

Page 11: ...5 Figure 6 26 System Board Removal 6 26 Figure A 1 System Setup Screens A 2 Tables Table 1 1 DC Voltage Ranges 1 13 Table 1 2 System Board Jumper Descriptions 1 22 Table 1 3 Interrupt Assignments 1 23 Table 1 4 DREQ Line Assignments 1 24 Table 1 5 Technical Specifications 1 25 Table 3 1 POST Beep Codes 3 2 Table 3 2 System Error Messages 3 5 Table A 1 System Setup Categories A 3 ...

Page 12: ...ble PCs and prior training in IBM compatible PC troubleshooting techniques In addition to information provided in this manual and the User s Guide that came with the system Dell provides the Diagnostics and TroubleshootingGuide for troubleshooting pro cedures and instructions on using the Dell diagnostics to test the computer system WARNING A WARNING indicates the potential for bodily harm and pro...

Page 13: ...le Computers 1 15 Figure 1 15 DC Power Distribution for the Low Profile Computers 1 16 Figure 1 16 DC Power Cables for the Midsize and Mini Tower Computers 1 17 Figure 1 17 DC Power Distribution for the Midsize Computers 1 18 Figure 1 18 DC Power Distribution for the Mini Tower Computers 1 19 Figure 1 19 System Board Components 1 20 Figure 1 20 System Board Jumpers 1 21 Figure 4 1 Computer Cover R...

Page 14: ...11 Figure 5 11 Hard Disk Drive Removal 5 12 Figure 5 12 System Power Supply Removal 5 13 Figure 5 13 System Board Components 5 14 Figure 5 14 Expansion Card Cage Removal 5 15 Figure 5 15 Expansion Card Removal 5 16 Figure 5 16 Riser Board Removal 5 17 Figure 5 17 DIMM Removal 5 18 Figure 5 18 DIMM Installation 5 18 Figure 5 19 Cache Memory Card Removal 5 19 Figure 5 20 NIC Daughter Board Removal 5...

Page 15: ...ure 6 15 System Board Components 6 16 Figure 6 16 Expansion Card Cage Removal 6 17 Figure 6 17 Expansion Card Removal 6 18 Figure 6 18 Riser Board Removal 6 19 Figure 6 19 DIMM Removal 6 20 Figure 6 20 DIMM Installation 6 20 Figure 6 21 Cache Memory Card Removal 6 21 Figure 6 22 NIC Daughter Board Removal 6 22 Figure 6 23 Microprocessor Securing Clip Removal 6 23 Figure 6 24 Microprocessor Removal...

Page 16: ...xvi DELL CONFIDENTIAL Preliminary 6 16 97 ...

Page 17: ...nges 1 13 Table 1 2 System Board Jumper Descriptions 1 22 Table 1 3 Interrupt Assignments 1 23 Table 1 4 DREQ Line Assignments 1 24 Table 1 5 Technical Specifications 1 25 Table 3 1 POST Beep Codes 3 2 Table 3 2 System Error Messages 3 5 Table A 1 System Setup Categories A 3 ...

Page 18: ...xviii DELL CONFIDENTIAL Preliminary 6 16 97 ...

Page 19: ... microprocessor for the OptiPlex GXi systems is installed in a ZIF socket which allows the computer to be upgraded when faster microprocessors become available The Pentium microprocessor contains a built in clock multiplier circuit which increases the internal operating frequency to a multiple of the system clock frequency The microprocessors for each of these computers and their operating frequen...

Page 20: ...ory Integrated 16 bit audio controller that provides all the same functions of the Sound Blaster Pro expansion card Integrated 10 or 100 Mb sec Ethernet NIC Integrated Universal Serial Bus USB controller with two USB compliant connectors Self Monitoring Analysis Reporting Technology SMART compliant hard disk drives and SMART support in the system BIOS which warns you at system start up if a hard d...

Page 21: ...System Overview 1 3 Figure 1 1 Computer Orientation right side left side front back left side front right side back Low Profile Computer Midsize Computer Mini Tower Computer front back top bottom ...

Page 22: ...disk drive access indicator power button power indicator diskette drive access indicator reset button hard disk drive access indicator power button power indicator Midsize Computer Low Profile Computer Mini Tower Computer power indicator hard disk drive access indicator power button reset button diskette drive access indicator ...

Page 23: ... the reset button to initiate a hardware reset close any open application programs and files if possible serial port connector power supply voltage selection switch AC power receptacle 3 5 inch diskette drive expansion card cage USB connectors 2 keyboard connector video connector expansion card slots 3 hard disk drive NIC connector hard disk drive interface cable diskette tape drive interface cabl...

Page 24: ...ltage selection switch AC power receptacle serial port connector USB connectors 2 keyboard connector mouse connector NIC connector drive cage diskette tape drive interface cable hard disk drive bracket hard disk drive interface cable 3 5 inch diskette drive expansion card cage expansion card slots 5 audio connectors 3 video connector ...

Page 25: ...the ISA Configuration Utility in the Reference and Installation Guide describes the ICU and provides instructions for using it to configure the computer Low Profile Computer s Expansion Card Slots The low profile computers have three expansion card slots The riser board has two ISA expansion card connectors and two PCI expansion card connectors One PCI expansion card connector and one ISA expansio...

Page 26: ... connector share a single expansion card slot resulting in a total of five expansion card slots see Figure 1 7 Option 2 is an active riser board with a PCI to PCI bridge Option 2 has two ISA expansion card connectors and five PCI expansion card connectors Two PCI ISA expansion card connector pairs each share an expansion card slot again resulting in a total of five expansion card slots see Figure ...

Page 27: ...tors share expansion card slots with ISA con nectors resulting in a total of seven expansion card slots see Figure 1 9 The riser board is active incorporating PCI to PCI bridging Figure 1 9 Riser Board for the Mini Tower Computers ISA1 connector ISA2 connector PCI3 connector PCI2 connector PCI1 connector PCI4 connector PCI5 connector HDLED connector ISA4 connector ISA3 connector ISA1 connector PCI...

Page 28: ... inch high EIDE or SCSI hard disk drive and one 1 6 inch high EIDE or SCSI hard disk drive Enhanced Dual Interface EIDE Subsystem The EIDE subsystem provides two mode 4 DMA bus mastered EIDE inter faces each of which can support up to two EIDE devices The EIDE controller attaches to the high speed PCI local bus The primary EIDE interface IDE1 provides support for up to two high performance EIDE de...

Page 29: ...uilt In NIC The Dell OptiPlex GXi systems have an integrated 10 100 Mbps 3Com PCI 3C905 Ethernet NIC subsystem The system contains either a 100BASE TX or 100BASE T4 NIC daughter board depending on network cabling require ments Both NIC daughter boards support the 10BASE T Ethernet standard To distinguish the two boards the designation T4 appears in the upper right corner of the 100BASE T4 board as...

Page 30: ... stand is permanently attached to the bottom of the mini tower computer Computer Service The following subsections provide service related information about the computer System Power Supply The low profile computers have a 145 W system power supply whereas the midsize and mini tower computers have a 200 W system power supply Both system power supplies can operate from an AC power source of 115 VAC...

Page 31: ...mputers 6 0 A2 midsize and mini tower computers 12 VDC 10 80 to 13 20 VDC 0 3 A low profile computers 0 3 A midsize and mini tower computers 5 VDC 4 50 to 5 50 VDC 0 3 A low profile computers 0 3 A midsize and mini tower computers 5 VFP3 4 75 to 5 25 VDC 10 mA 1 The combined load on the 5 VDC and 3 3 VDC outputs shall not exceed 105 W on the low profile computers or 140 W on the midsize computers ...

Page 32: ...d 3 Pin 5 PWRGOOD should measure between 4 and 5 VDC when the power supply is on and operating to indicate that all power supply output voltages are within ranges specified in Table 1 1 Figure 1 11 DC Power Connector P1 Figure 1 12 DC Power Connectors P2 Midsize and Mini Tower P3 P4 P5 P6 and P9 11 1 PWRGOOD 3 orange 12 VDC blue 12 VDC yellow 5 VFP purple common black 2 3 4 5 6 7 8 9 10 12 13 14 1...

Page 33: ... distribution Power supply connector identification Power cable connections for diskette tape CD ROM and hard disk drives Power distribution to sockets and connectors on the system board Figure 1 14 DC Power Cables for the Low Profile Computers 1 2 3 4 3 3 VDC blue white common black common black 5 P2 P7 6 3 3 VDC blue white 3 3 VDC blue white common black P5 P4 P3 P2 P1 ...

Page 34: ... VDC PWRGOOD P1 POWER1 PSON 5 VFP 5 VDC 12 VDC 12 VDC PSON 5 VFP 5 VDC 5 VDC 12 VDC 12 VDC P3 5 VDC 12 VDC 12 VDC 12 VDC 12 VDC 12 VDC 3 5 inch diskette drive system power supply keyboard controller battery 5 VDC 5 VDC ISA1 ISA2 PCI1 PCI2 MICROPROCESSOR PANEL KYBD MOUSE DIMM_A DIMM_B DIMM_C DIMM_D main memory sockets P4 FAN RISER optional drive P5 riser board system board internal hard disk drive ...

Page 35: ...verview 1 17 Figure 1 16 DC Power Cables for the Midsize and Mini Tower Computers P7 P9 P5 P4 P3 P2 P1 Connector P6 was not present in earlier midsize computers in these computers connector P9 was labeled P6 P6 ...

Page 36: ...12 VDC 12 VDC 12 VDC 3 5 inch diskette drive battery P1 ISA1 through ISA31 PCI1 through PCI31 MICROPROCESSOR PANEL KYBD MOUSE DIMM_A DIMM_B DIMM_C DIMM_D main memory sockets P4 FAN RISER internal hard disk drive P2 optional drive P52 P62 riser board system board optional drive internal hard disk drive processor core regulator POWER2 core VCC 2 1 to 3 5 VDC fuse USB 3 3 VDC 1 A second riser board o...

Page 37: ...12 VDC PWRGOOD PSON 5 VFP 5 VDC 5 VDC 12 VDC 12 VDC 3 VDC keyboard controller P3 5 VDC 12 VDC 12 VDC 12 VDC 3 5 inch diskette drive battery P1 ISA1 through ISA4 PCI1 through PCI5 MICROPROCESSOR PANEL KYBD MOUSE DIMM_A DIMM_B DIMM_C DIMM_D main memory sockets P4 FAN RISER internal hard disk drive P2 optional drive P5 P6 riser board system board optional drive internal hard disk drive processor core...

Page 38: ...RIAL diskette tape drive interface connector DSKT riser board connector RISER secondary EIDE connector IDE2 NIC daughter board connector NETWORK system board jumpers microprocessor fan connector FAN battery socket BATTERY control panel connector PANEL 3 3 V power input connector POWER2 keyboard mouse connectors stacked KYBD MOUSE main power input connector POWER1 microprocessor socket MICROPROCESS...

Page 39: ... adhere to the following installation rules The memory can support any mixture of 8 16 32 64 and 128 MB DIMMs The largest capacity DIMM must be in socket DIMM_A with decreasing capacities toward socket DIMM_D ECC function is enabled when all installed DIMMs are 72 bit parity DIMMs and the ECC category is set to On in the System Setup program See the online System User s Guide or Chapter 6 Installi...

Page 40: ... installed 200 Microprocessor speed Install jumper if the microprocessor s internal speed is 200 MHz otherwise the jumper should not be installed 233 Microprocessor speed Install jumper if the microprocessor s internal speed is 233 MHz otherwise the jumper should not be installed PSWD Password enable or disable Install to enable the password feature BIOS Reserved Do not install jumper NICRST NIC e...

Page 41: ... con nected to parallel port requires service IRQ8 Generated by keyboard controller for each tick of RTC IRQ9 Available for use by an expansion card IRQ10 Available for use by an expansion card IRQ11 Available for use by an expansion card IRQ12 Generated by keyboard controller to indicate that mouse s output buffer is full IRQ13 Generated by math coprocessor to indicate coprocessor error IRQ14 Gen...

Page 42: ...enerated by super I O controller to initiate DMA cycle for attached diskette drive DREQ3 Available DREQ4 Generated by bus controller chip to activate second DMA controller DREQ5 Available DREQ6 Available DREQ7 Available NOTE The built in sound controller built in NIC and built in video controllers are assigned available DMA channels automatically during system start up ...

Page 43: ...essors with MMX technology Math coprocessor internal to the microprocessor System Information System chip set Intel 430HX PCI chip set Data bus width 64 bits Address bus width 32 bits DMA channels seven Interrupt levels 15 Flash EPROM BIOS 1 Mb Expansion Bus Bus types PCI and ISA PCI bus complies with PCI specification 2 1 Bus speeds PCI 33 MHz ISA 8 25 MHz PCI expansion card connectors Low profil...

Page 44: ...d DIMM sockets four gold contacts DIMM capacities 8 and 16 MB nonparity EDO 8 16 32 64 and 128 MB parity EDO ECC Standard RAM 16 MB Maximum RAM 512 MB External cache memory 256 or 512 MB pipeline burst direct mapped write back SRAM BIOS address 0F0000h Drives Externally accessible bays Low profile computers one 3 5 inch bay dedicated to a 3 5 inch diskette drive one 5 25 inch bay for a dis kette d...

Page 45: ...1 6 inch high EIDE or SCSI hard disk drive Video Video type S3 Trio 64V 86C765 built in SVGA controller attached to the PCI bus Video memory 2 MB Maximum video resolution 1280 x 1024 pixels with 256 colors Ports Externally accessible Serial DTE one 9 pin connector 16550 compatible Parallel one 25 hole connector bidirectional Video one 15 hole connector PS 2 style keyboard 6 pin mini DIN PS 2 compa...

Page 46: ...n 101 key keyboard in MS DOS real mode only Ctrl Alt toggles microprocessor speeds on 102 key keyboard in MS DOS real mode only Controls and Indicators Reset control push button Power control push button Power indicator green LED Diskette drive access indicator green LED Hard disk drive access indicator green LED Link integrity indicator on NIC connector green LED Activity indicator on NIC connect...

Page 47: ...nimum 10 89 kg 24 lb Midsize computers Height 16 5 cm 6 5 inches Width 41 9 cm 16 5 inches Depth 44 5 cm 17 5 inches Weight minimum 12 7 kg 28 lb Mini tower computers Height 44 4 cm 17 5 inches Width 20 6 cm 8 1 inches Depth 43 7 cm 17 2 inches Weight minimum 14 9 kg 33 lb Environmental Temperature Operating 10 to 35 C 50 to 95 F Storage 40 to 65 C 40 to 149 F Relative humidity 8 to 80 noncondensi...

Page 48: ...cal orientation and bottom half sine pulse with a change in velocity of 20 inches sec 50 8 cm sec Storage 27 G faired square wave with a velocity change of 200 inches sec 508 cm sec Altitude Operating 16 to 3048 m 50 to 10 000 ft Storage 16 to 10 600 m 50 to 35 000 ft The maximum operating temperature of 35 C 95 F is for altitudes below 914 6 m 3000 ft Above 914 6 m 3000 ft the maximum operating t...

Page 49: ...ndicate the appropriate troubleshooting procedure to use After the user describes the problem follow these steps 1 Ask the user to back up any data on the hard disk drive if the system s condition permits See Maintaining the System in the online System User s Guide for infor mation about backing up data 2 Ask the user to try to duplicate the problem by repeating the operations he or she was perfor...

Page 50: ...ached to one of the serial port connectors and its captive screws must be secure enough to ensure a firm connection 4 Verify that any devices attached to the serial and parallel port connec tors are properly connected Each of the serial and parallel interface cables must be firmly attached to an appropriate connector on the back of the computer as well as to the interface connector on the device T...

Page 51: ...rvation of system func tions and indications some of which can occur simultaneously It may be necessary to reboot the system several times in order to complete all of these steps To observe problem indications during the boot routine follow these steps 1 Insert the diagnostics diskette into drive A Turn on all peripherals and the computer If the computer is already on press the reset button or Ctr...

Page 52: ...Running the Diskette Based Diagnostics found later in this chapter No Proceed to step 6 6 Insert another copy of the diagnostics diskette into the diskette drive and reboot the system Does the Diagnostics Menu appear Yes See Running the Diskette Based Diagnostics found later in this chapter No Proceed to the next section Internal Visual Inspection Internal Visual Inspection A simple visual inspect...

Page 53: ... the card in its connector and carefully push it in until it is fully seated Then reinstall the card mounting bracket s retain ing screw 4 Verify that all jumpers are set correctly For information about these jumpers see System Board Jumpers in Chapter 1 5 Check all cable connectors inside the computer to verify that they are firmly attached to their appropriate connectors 6 Reinstall the computer...

Page 54: ...diagnostics loads a program tests the portion of main memory RAM required for loading the diagnostics If a main memory error is detected a mes sage appears on the screen telling you which DIMM has failed If no errors are found in main memory the diagnostics loads and the Diagnos tics Menu appears This menu lets you choose the following options or exit to the MS DOS prompt Run Quick Tests Runs sele...

Page 55: ...s to help isolate the source of the problem See Running the Diskette Based Diagnostics in Chapter 2 POST Beep Codes If the monitor cannot display error messages during the POST the system may emit a series of beeps that identifies the problem or that can help you identify a faulty component or assembly Table 3 1 lists the beep codes that may be gener ated during the POST Most beep codes indicate a...

Page 56: ...ive system board 1 3 2 No memory installed No memory installed or faulty or improperly seated DIMM 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 main memory Odd even logic failure in the first 64 KB of main memory Address line failure in the first 64 KB of main memory Parity failure in the first 64 KB of main memory Bit failure in the first 64 KB of ma...

Page 57: ...ard 4 3 1 Memory failure above address 0FFFFh Faulty or improperly seated DIMM 4 3 3 Timer chip counter 2 failure Defective system board 4 3 4 Time of day clock stopped Bad battery or defective system board 4 4 1 4 4 2 Serial port test failure Parallel port test failure Faulty I O chip defective system board 4 4 3 Math coprocessor failure Faulty microprocessor chip or system board 4 4 4 Cache test...

Page 58: ...r cannot usually be rebooted until an appropriate hardware change has been made The following messages indicate a fatal error Bad error correction code ECC on disk read Controller has failed Data error Gate A20 failure Hard disk controller failure Hard disk drive read failure Hard disk failure Keyboard clock line failure Keyboard controller failure Keyboard data line failure Keyboard stuck key fai...

Page 59: ...or associated controller defective Faulty diskette tape drive subsystem or hard disk drive subsystem defec tive system board Data error Computer received un recoverable data read error from diskette or hard disk drive Faulty diskette diskette drive or hard disk drive Decreasing available memory Read write failure during POST prevents system from using available memory One or more DIMMs faulty or i...

Page 60: ...ard disk drive read failure Hard disk failure Hard disk drive failed to initialize Incorrect configuration settings in System Setup program improperly con nected hard disk drive cable faulty hard disk drive controller sub system defective system board or loose power cable Invalid con figuration information please run SETUP program System Setup program contains incorrect system configuration settin...

Page 61: ...re at address read value expect ing value Memory odd even logic failure at address read value expect ing value Memory write read failure at address read value expecting value During memory test value read at address was incorrect Faulty or improperly seated DIMMs or defec tive system board Memory alloca tion error Software in use con flicts with operating system application pro gram or utility Fau...

Page 62: ... on it Faulty diskette diskette tape drive subsystem or hard disk drive sub system Not a boot diskette No operating system on diskette No operating system on diskette Plug and Play Configuration Error System encountered problem in trying to configure one or more expansion cards System resource conflict Read fault Requested sec tor not found MS DOS cannot read from diskette or hard disk drive Syste...

Page 63: ...et Time or date setting in System Setup program incorrect or system bat tery bad Incorrect Time or Date settings or defective sys tem battery Timer chip counter 2 failed Timer circuit on system board malfunctioning Defective system board Unexpected interrupt in protected mode Keyboard mouse con troller malfunctioning or one or more DIMMs improperly seated Improperly seated DIMMs or faulty key boar...

Page 64: ...3 10 Dell OptiPlex GXi Systems Service Manual ...

Page 65: ... Chassis Unless otherwise noted each procedure assumes the following You have performed the steps in Precautionary Measures found later in this chapter You have removed the computer cover You can replace or reinstall a part by performing the removal procedure in reverse order unless additional information is provided Recommended Tools Most of the procedures in this chapter require the use of one o...

Page 66: ...lowing steps in the sequence listed 1 Turn off the computer and any attached peripherals 2 Disconnect the computer and any attached peripherals from their power sources to reduce the potential for personal injury Also dis connect any telephone or telecommunication lines from the computer 3 Wear a wrist grounding strap and clip it to an unpainted metal sur face such as the padlock loop on the back ...

Page 67: ...l the cover is free to swing up 3 Raise the back of the cover and pivot it toward the front of the computer 4 Lift the cover off of the hooks at the front of the chassis Three plastic hooks on the inside front part of the cover secure it to the chassis Before you reinstall the cover fold all cables out of the way so that they do not interfere with the cover or with the proper airflow inside the co...

Page 68: ...k of the cover facing you 2 To remove the 3 5 inch diskette drive eject button pull gently on the plastic part of the button until it comes free 3 To remove the power button or the reset button use a small screw driver and push in on the two or three plastic clips that hold the button to the computer cover When these clips are released the button comes free from the front panel of the cover power ...

Page 69: ...lat work surface with the front of the cover facing you 2 From the front of the cover use your thumbs to push inward on the insert until it slides off the two posts To replace a front panel insert position the front panel insert then press the ring tabs over the posts If necessary use a 1 4 inch nutdriver to help push on the ring tabs ring tabs 2 posts 2 computer cover upside down 5 25 inch front ...

Page 70: ...rom the PANEL connector on the system board see Figure 4 10 2 From the inside of the chassis remove the mounting screw holding the control panel to the chassis 3 Remove the control panel from the chassis When you reinstall the control panel be sure to put the right side of the con trol panel behind the mounting tab control panel cable control panel mounting screw mounting tab ...

Page 71: ...puter Refer to this figure when you perform any of the procedures in the following subsections Figure 4 5 Drive Hardware diskette tape drive interface cable DC power cable hard disk drive 3 5 inch diskette drive EIDE cable 5 25 inch drive bay and bracket DSKT connector system power supply secondary EIDE connector IDE2 primary EIDE connector IDE1 ...

Page 72: ... the two 3 5 inch diskette drive assembly latches to release the assembly Rotate the left side of the assembly up and lift the assembly out of the chassis 3 Remove the two drive mounting screws from the left side of the drive and remove the drive from the bracket When you replace the 3 5 inch diskette drive be sure the mounting holes on the right side of the drive engage the two hooks on the brack...

Page 73: ...of the chassis 4 Lay the 5 25 inch drive assembly upside down then remove the four screws attaching the drive to the bracket When you replace the 5 25 inch drive place the front of the drive toward the front of the bracket then install the four screws but do not tighten them Align the screws with the score marks on the bracket and tighten the screws in the order stamped on the bottom of the bracke...

Page 74: ...he hard disk drive bracket to the chassis 3 Pivot the hard disk drive assembly up then lift it out of the chassis 4 Remove the four hard disk drive mounting screws that attach the hard disk drive to the hard disk drive bracket When you reinstall the hard disk drive assembly be sure the tabs on the back of the mounting plate fully engage in the notches on the chassis before you rotate the assembly ...

Page 75: ...s from the system board and the drives 3 Remove the power supply mounting screw at the back of the chassis 4 Slide the system power supply forward until it stops then lift it from the chassis When you replace the system power supply place it down inside the chassis and against the right side of the chassis Then slide the system power supply toward the back of the chassis and hook the tabs into the...

Page 76: ...ace connector DSKT riser board connector RISER secondary EIDE connector IDE2 NIC daughter board connector NETWORK system board jumpers microprocessor fan connector FAN battery socket BATTERY control panel connector PANEL 3 3 V power input connector POWER2 keyboard mouse connectors stacked KYBD MOUSE main power input connector POWER1 microprocessor socket MICROPROCESSOR DIMM sockets 4 USB connector...

Page 77: ... any of the expansion cards leave the external cables attached to the expansion cards Expansion Card Cage Figure 4 11 Expansion Card Cage Removal To remove an expansion card cage follow these steps 1 Rotate the lever toward the back of the computer until it stops in the upright position 2 Lift the expansion card cage up and away from the computer To replace an expansion card cage keep it flush aga...

Page 78: ...any external cables from the expansion card being removed 2 Remove the expansion card cage 3 Remove the retaining screw from the card mounting bracket 4 Grasp the expansion card by its corners and carefully remove it from the expansion card connector expansion card card slot opening card mounting bracket retaining screw expansion card connector riser board ...

Page 79: ...cards 2 Lay the expansion card cage on a flat work surface with the riser board facing up 3 Remove the two riser board mounting screws 4 Lift the riser board away from the expansion card cage When you replace the riser board be sure the alignment feature on the expan sion card cage engages with the alignment slot riser board riser board mounting screws 2 expansion card cage riser board alignment s...

Page 80: ...rd on the DIMM socket s securing clips until the DIMM is released from its socket Lift the DIMM away from the socket Figure 4 15 DIMM Installation To replace a DIMM press the DIMM fully into the socket while closing the securing clips to lock the DIMM into the socket 2 1 securing clips securing clips 2 1 ...

Page 81: ...side while pulling up on it Take note of which end of the cache memory card is the pin 1 end nearest the right side of the system board When you replace the cache memory card be sure that the pin 1 end of the cache memory card which has a 1 etched near the connector is toward the right side of the system board shown without DIMMs for clarity cache memory card socket right side of computer ...

Page 82: ...ughter Board Figure 4 17 NIC Daughter Board Removal To remove the NIC daughter board do the following 1 Remove the NIC daughter board mounting screw 2 Pull straight up on the NIC daughter board mounting screw NIC daughter board back panel of the computer ...

Page 83: ... part of the clip with a small screwdriver to release the clip 2 Push outward and then upward on the microprocessor socket release lever to rotate the lever to its fully vertical position see Figure 4 19 3 Lift the microprocessor heat sink assembly out of its socket WARNING The microprocessor chip can get extremely hot during system operations Be sure the chip has had sufficient time to cool befor...

Page 84: ...hen the microprocessor heat sink assembly is in place rotate the microprocessor socket release lever to its horizontal position Hook the microprocessor securing clip over the socket tab nearest the right side of the system board and then snap it over the tab on the opposite side of the socket NOTE Pin 1 on the microprocessor is located on the corner with the largest bevel The pin 1 hole in the mic...

Page 85: ...ry the battery out of its socket with your fingers or with a blunt nonconducting object such as a plastic screwdriver When you replace the system battery orient the new battery with the facing up Insert the battery into its socket and snap it into place WARNING There is a danger of the new battery exploding if it is in correctly installed Replace the battery only with the same or equivalent type r...

Page 86: ...assis until it stops 6 Carefully lift the system board out of the chassis be sure to lift evenly and not twist the system board If you are replacing a system board remove the DIMMs the cache memory card the NIC daughter board and the microprocessor from the old system board and install them on the replacement board When you reinstall the system board before you slide the system board back to lock ...

Page 87: ...Chassis Unless otherwise noted each procedure assumes the following You have performed the steps in Precautionary Measures found later in this chapter You have removed the computer cover You can replace or reinstall a part by performing the removal procedure in reverse order unless additional information is provided Recommended Tools Most of the procedures in this chapter require the use of one or...

Page 88: ...lowing steps in the sequence listed 1 Turn off the computer and any attached peripherals 2 Disconnect the computer and any attached peripherals from their power sources to reduce the potential for personal injury Also dis connect any telephone or telecommunication lines from the computer 3 Wear a wrist grounding strap and clip it to an unpainted metal sur face such as the padlock loop on the back ...

Page 89: ...eps 1 Place the right side of the computer on a flat work surface 2 Unscrew the floor stand screw Use your fingers or a wide flat blade screwdriver to unscrew the floor stand screw 3 Pull the floor stand away from the computer Disengage the three orientation nubs that position and help hold the floor stand to the computer floor stand screw ...

Page 90: ...cover is free to swing up 3 Raise the back of the cover and pivot it toward the front of the computer 4 Lift the cover off the hooks at the front of the chassis Four plastic hooks on the inside front part of the cover secure it to the chassis Before you reinstall the cover fold all cables out of the way so that they do not interfere with the cover or with the proper airflow inside the computer sec...

Page 91: ...he back of the cover facing you 2 To remove the 3 5 inch diskette drive eject button pull gently on the plastic part of the button until it comes free 3 To remove the power button or the reset button use a small screw driver and push in on the two or three plastic clips that hold the button to the computer cover When these clips are released the button comes free from the front panel of the cover ...

Page 92: ...k surface with the front of the cover facing you 2 From the front of the cover use your thumbs to push inward on the insert until it slides off the two posts To replace a front panel insert position the front panel insert then press the ring tabs over the posts If necessary use a 1 4 inch nutdriver to help push on the ring tabs ring tabs 2 posts 2 computer cover upside down 5 25 inch front panel i...

Page 93: ...e bracket 2 Disconnect the control panel cable from the PANEL connector on the system board see Figure 5 13 3 Remove the mounting screw holding the control panel to the chassis 4 Slide the control panel out of the hooks holding it to the chassis Note the routing of the control panel cable as you remove it from the chassis control panel control panel cable screw chassis hooks 2 ...

Page 94: ... com puter Refer to this figure when you perform any of the procedures in the following subsections Figure 5 6 Drive Hardware diskette tape drive interface cable DC power cable DSKT connector system power supply hard disk drive bracket primary EIDE connector IDE1 secondary EIDE connector IDE2 EIDE cable 3 5 inch diskette drive ...

Page 95: ...ette drive 2 Remove the bracket mounting screw 3 Rotate the left side of the 3 5 inch diskette drive assembly up and lift the assembly out of the chassis 4 Remove the two drive mounting screws from the left side of the drive and remove the drive from the bracket When you replace the 3 5 inch diskette drive be sure the two hooks on the right side of the bracket engage the mounting holes in the side...

Page 96: ...ssembly forward to remove it 3 Remove the four screws attaching the 5 25 inch drive to the mounting plate and lift the drive out of the mounting plate see Figure 5 9 Figure 5 9 5 25 Inch Drive Removal When you replace the 5 25 inch drive align the front of the drive flush with the tab at the front of the mounting plate Insert the four screws and tighten them in the order stamped on the bottom of t...

Page 97: ...the hard disk drive bracket to the front of the chassis 3 Grasp the handle on the front of the bracket and rotate the front of the bracket up until the hooks are free from the chassis 4 Lift the hard disk drive bracket out of the computer When you reinstall the hard disk drive bracket place the lower back tab of the hard disk drive bracket into position be sure that the opening in the lower back t...

Page 98: ...hard disk drive to the hard disk drive bracket One hard disk drive attaches to the hard disk drive bracket at the sides of the drive The other hard disk drive attaches to the hard disk drive bracket at the bottom of the hard disk drive 3 Slide the drive out of the hard disk drive bracket hard disk drive drive mounting screws 4 for side mounted drive hard disk drive bracket drive mounting screws 4 ...

Page 99: ...power supply from the securing tab labeled RELEASE and rotate it to the right until it stops Press the securing tab to the left to release the power supply 3 Disconnect the DC power cables from the system board and the drives 4 Lift the front end of the system power supply up and move it to the right to disengage the power supply from the slot in the chassis 5 Lift the system power supply from the...

Page 100: ...ector DSKT riser board connector RISER secondary EIDE connector IDE2 NIC daughter board connector NETWORK system board jumpers microprocessor fan connector FAN battery socket BATTERY control panel connector PANEL 3 3 V power input connector POWER2 keyboard mouse connectors stacked KYBD MOUSE main power input connector POWER1 microprocessor socket MICROPROCESSOR DIMM sockets 4 USB connectors USB fr...

Page 101: ...ng any of the expansion cards leave the external cables attached to the expansion cards Expansion Card Cage Figure 5 14 Expansion Card Cage Removal To remove an expansion card cage follow these steps 1 Rotate the lever toward the back of the computer until it stops in the upright position 2 Lift the expansion card cage up and away from the computer To replace an expansion card cage keep the cage f...

Page 102: ...ect any cables from the expansion card being removed 2 Remove the expansion card cage 3 Remove the retaining screw from the card mounting bracket 4 Grasp the expansion card by its corners and carefully remove it from the expansion card connector expansion card card slot opening card mounting bracket retaining screw expansion card connector riser board ...

Page 103: ...e the expansion card cage and all expansion cards 2 On a flat work surface turn the expansion card cage over with the riser board facing up 3 Remove the riser board mounting screws 4 Slide the riser board down until it stops then lift the riser board away from the expansion card cage riser board riser board mounting screws 2 expansion card cage slots 2 ...

Page 104: ...y to the right see Figure 5 12 2 Push outward on the DIMM socket s securing clips until the DIMM is released from its socket 3 Lift the DIMM away from the socket Figure 5 18 DIMM Installation To replace a DIMM press the DIMM fully into the socket while closing the securing clips to lock the DIMM into the socket 2 1 securing clips securing clips 2 1 ...

Page 105: ...2 Rock the cache memory card from side to side while pulling up on it Take note of which end of the cache memory card is the pin 1 end nearest the right side of the system board When you replace the cache memory card be sure that the pin 1 end of the cache memory card which has a 1 etched near the connector is toward the right side of the system board shown without DIMMs for clarity cache memory c...

Page 106: ...C Daughter Board Figure 5 20 NIC Daughter Board Removal To remove the NIC daughter board do the following 1 Remove the NIC daughter board mounting screw 2 Pull up on the NIC daughter board mounting screw NIC daughter board back panel of the computer ...

Page 107: ...sembly Press down on the folded part of the clip with a small screwdriver to release the clip 3 Push outward and then upward on the microprocessor socket release lever to rotate the lever to its fully vertical position see Figure 5 22 4 Lift the microprocessor heat sink assembly out of its socket WARNING The microprocessor chip can get extremely hot during system operations Be sure the chip has ha...

Page 108: ...hen the microprocessor heat sink assembly is in place rotate the microprocessor socket release lever to its horizontal position Hook the microprocessor securing clip over the socket tab nearest the right side of the system board and then snap it over the tab on the opposite side of the socket NOTE Pin 1 on the microprocessor is located on the corner with the largest bevel The pin 1 hole in the mic...

Page 109: ... the system battery out of its socket with your fingers or with a blunt nonconducting object such as a plastic screwdriver When you replace the system battery orient the new battery with the facing up Insert the battery into its socket and snap it into place WARNING There is a danger of the new battery exploding if it is in correctly installed Replace the battery only with the same or equivalent t...

Page 110: ... board toward the front of the chassis until it stops 7 Carefully lift the system board out of the chassis be sure to lift evenly and not twist the system board If you are replacing a system board remove the DIMMs the cache memory card the NIC daughter board and the microprocessor from the old system board and install them on the replacement board When you reinstall the system board before you sli...

Page 111: ... Chassis Unless otherwise noted each procedure assumes the following You have performed the steps in Precautionary Measures found later in this chapter You have removed the computer cover You can replace or reinstall a part by performing the removal procedure in reverse order unless additional information is provided Recommended Tools Most of the procedures in this chapter require the use of one o...

Page 112: ...lowing steps in the sequence listed 1 Turn off the computer and any attached peripherals 2 Disconnect the computer and any attached peripherals from their power sources to reduce the potential for personal injury Also dis connect any telephone or telecommunication lines from the computer 3 Wear a wrist grounding strap and clip it to an unpainted metal sur face such as the padlock loop on the back ...

Page 113: ...ide of the computer press the release button at the bot tom left corner of the front bezel 3 Lift the bottom of the cover allowing it to pivot up toward you 4 Disengage the tabs that secure the cover to the top of the chassis and lift the cover away Before you reinstall the cover fold all cables out of the way so that they do not interfere with the cover or with the proper airflow inside the compu...

Page 114: ...Bezel Removal To remove the front bezel follow these steps 1 Press the tab release marked with the icon 2 Tilt the bezel away from the chassis 3 Disengage the two retaining hooks at the bottom of the bezel and pull the bezel away from the chassis tab release retaining hooks 2 ...

Page 115: ...k surface with the back of the bezel facing up 2 To remove the 3 5 inch diskette drive eject button pull gently on the plastic part of the button until it comes free 3 To remove the power button or the reset button use a small screw driver and push in on the two or three plastic clips that hold the button to the bezel When these clips are released the button comes free from the bezel power button ...

Page 116: ...s 1 Hold the bezel with the front facing you 2 From the front of the bezel use your thumbs to press inward on the insert until it slides off the two posts To replace a 5 25 inch front panel insert position the two ring tabs over the posts on the inside of the bay opening then press the ring tabs over the posts posts 2 front bezel ring tabs 2 5 25 inch front panel insert ...

Page 117: ...teps 1 Hold the bezel with the front facing you 2 Inside the bezel press the eject button mechanism toward the front panel to snap the plastic insert out of its opening To replace the front panel insert for the 3 5 inch bay work from outside the bezel Place the insert in position and press it into the opening front of bezel back of bezel eject button mechanism ...

Page 118: ...ket 2 Disconnect the control panel cable from the PANEL connector on the system board see Figure 6 15 3 Remove the mounting screw holding the control panel to the chassis 4 Slide the control panel out of the hooks holding it to the chassis Note the routing of the control panel cable as you remove it from the chassis control panel control panel cable screw chassis hooks 2 ...

Page 119: ... installed in the com puter Refer to this figure when you perform any of the procedures in the following subsections Figure 6 7 Drive Hardware diskette tape drive interface cable DC power cable DSKT connector hard disk drive bracket primary EIDE connector IDE1 secondary EIDE connector IDE2 EIDE cable 3 5 inch diskette drive ...

Page 120: ...assembly follow these steps 1 Disconnect the DC power cable and the interface cable from the back of the 3 5 inch diskette drive 2 Press the retaining tab release button and pull the drive assembly for ward to remove it 3 Remove the drive mounting screw from the left side of the drive and remove the drive from the bracket see Figure 6 9 retaining tab release button ...

Page 121: ...Diskette Drive Removal When you replace the 3 5 inch diskette drive be sure the two hooks on the right side of the bracket engage the mounting holes in the side of the 3 5 inch diskette drive Figure 6 10 5 25 Inch Drive Assembly Removal hooks 2 drive mounting screw retaining tabs 2 ...

Page 122: ...d to remove it 3 Remove the four screws attaching the 5 25 inch drive to the mounting plate and lift the drive out of the mounting plate see Figure 6 11 Figure 6 11 5 25 Inch Drive Removal When you replace the 5 25 inch drive align the front of the drive flush with the tab at the front of the mounting plate Insert the four screws and tighten them in the order stamped on the bottom of the 5 25 inch...

Page 123: ... bracket to the drive cage in the chassis 3 Grasp the bracket and rotate it outward from the chassis until the slid ing tab clears the slide rail on the drive cage 4 Lift the hard disk drive bracket up slightly to free the hinge tabs and remove it from the computer When you reinstall the hard disk drive bracket insert the bracket s hinge tabs into the chassis slots so that the tabs hook over the s...

Page 124: ...isk drive to the hard disk drive bracket One hard disk drive attaches to the hard disk drive bracket at the sides of the drive The other hard disk drive attaches to the hard disk drive bracket at the bottom of the hard disk drive 3 Slide the drive out of the hard disk drive bracket hard disk drive hard disk drive bracket drive mounting screws 4 for bottom mounted drive sliding tab drive mounting s...

Page 125: ...uring tab to release the power supply 3 Disconnect the DC power cables from the system board and the drives 4 Facing the left side of the computer move the front end of the system power supply toward you and lift it up to disengage the power supply from the slot in the chassis 5 Lift the system power supply from the computer When you reinstall the power supply place the power supply detent link ov...

Page 126: ...ector DSKT riser board connector RISER secondary EIDE connector IDE2 NIC daughter board connector NETWORK system board jumpers microprocessor fan connector FAN battery socket BATTERY control panel connector PANEL 3 3 V power input connector POWER2 keyboard mouse connectors stacked KYBD MOUSE main power input connector POWER1 microprocessor socket MICROPROCESSOR DIMM sockets 4 USB connectors USB fr...

Page 127: ...es attached to the expansion cards Expansion Card Cage Figure 6 16 Expansion Card Cage Removal To remove an expansion card cage follow these steps 1 Rotate the lever toward the back of the computer until it stops in the upright position 2 Slide the expansion card cage out of the computer To replace an expansion card cage align the tabs on the left and right sides of the expansion card cage with th...

Page 128: ...ect any cables from the expansion card being removed 2 Remove the expansion card cage 3 Remove the retaining screw from the card mounting bracket 4 Grasp the expansion card by its corners and carefully remove it from the expansion card connector expansion card card slot opening card mounting bracket retaining screw expansion card connector riser board ...

Page 129: ...pansion card cage and all expansion cards 2 Place the expansion card cage on a flat work surface with the riser board facing up 3 Remove the riser board mounting screws 4 Slide the riser board away from the release handle until it stops then lift the riser board away from the expansion card cage riser board riser board mounting screws 2 expansion card cage slots 2 ...

Page 130: ...up until it locks see Figure 6 14 2 Push outward on the DIMM socket s securing clips until the DIMM is released from its socket 3 Lift the DIMM away from the socket Figure 6 20 DIMM Installation To replace a DIMM press the DIMM fully into the socket while closing the securing clips to lock the DIMM into the socket 2 1 securing clips securing clips 2 1 ...

Page 131: ... 14 2 Rock the cache memory card from side to side while pulling up on it Take note of which end of the cache memory card is the pin 1 end nearest the right side of the system board When you replace the cache memory card be sure that the pin 1 end of the cache memory card which has a 1 etched near the connector is toward the right side of the system board shown without DIMMs for clarity cache memo...

Page 132: ...C Daughter Board Figure 6 22 NIC Daughter Board Removal To remove the NIC daughter board do the following 1 Remove the NIC daughter board mounting screw 2 Pull up on the NIC daughter board mounting screw NIC daughter board back panel of the computer ...

Page 133: ...k assembly Press down on the folded part of the clip with a small screwdriver to release the clip 3 Push outward and then upward on the microprocessor socket release lever to rotate the lever to its fully vertical position see Figure 6 24 4 Lift the microprocessor heat sink assembly out of its socket WARNING The microprocessor chip can get extremely hot during system operations Be sure the chip ha...

Page 134: ...hen the microprocessor heat sink assembly is in place rotate the microprocessor socket release lever to its horizontal position Hook the microprocessor securing clip over the socket tab nearest the right side of the system board and then snap it over the tab on the opposite side of the socket NOTE Pin 1 on the microprocessor is located on the corner with the largest bevel The pin 1 hole in the mic...

Page 135: ...ry the system battery out of its socket with your fingers or with a blunt nonconducting object such as a plastic screwdriver When you replace the system battery orient the new battery with the facing up Insert the battery into its socket and snap it into place WARNING There is a danger of the new battery exploding if it is in correctly installed Replace the battery only with the same or equivalent...

Page 136: ...oard to the side of the chassis 7 Slide the system board toward the front of the chassis until it stops 8 Carefully lift the system board out of the chassis be sure to lift evenly and not twist the system board If you are replacing a system board remove the DIMMs the cache memory card the NIC daughter board and the microprocessor from the old system board and install them on the replacement board ...

Page 137: ...t accompanied the operating system If the system is running Microsoft Windows 3 1x or later Microsoft Windows 95 or any other protected mode operating system do not enter the System Setup program from an MS DOS window Enter the System Setup program as described in the previous procedure Alternatively from the Windows 95 operating system you can press F8 when the Starting Windows 95 message appears...

Page 138: ...ive B Dell Computer Corporation Page 1 of 2 Date Tue Sept 22 1996 System OptiPlex GXi 5200M Setup Diskette Drive A Tab Shift Tab change fields Secondary Drive 0 Auto Packet Interface Device Drive 1 None Not Installed 3 5 inch 1 44 MB change values Esc exit This category sets the time in 24 hour format hours minutes seconds for the internal clock calendar To change the value in a field enter a numb...

Page 139: ...hlight the appropriate Drive category and type a for automatic If none of the supported drive types matches the parameters of the new drive enter parame ters directly To do so highlight the appropriate Drive category Drive 0 or Drive 1 and type u to display User1 Press Tab to highlight each of the parameter fields in succession and enter the appropriate number for each field NOTE For EIDE devices ...

Page 140: ... you to set the day and time you want the system to power on automatically The time uses the 24 hour format Power Management With the Power Management category enabled DPMS monitors and most EIDE drives automatically switch into low power mode during periods of system inactivity CAUTION Before enabling this feature check the monitor documentation to make sure the system has a DPMS compliant monito...

Page 141: ... on board speaker ECC Enables On or disables Off the error correc tion capability of the memory controller NOTE This field is displayed only when 72 bit EDO ECC DIMMs are installed Microprocessor Displays type of microprocessor installed External Cache Displays size of external cache memory card installed Video Memory Displays amount of video memory on the sys tem board System Memory Displays enti...

Page 142: ...A 6 Dell OptiPlex GXi Systems Service Manual ...

Page 143: ...le computer 1 5 on back of midsize computer 1 6 on back of mini tower computer 1 7 controllers audio 1 11 NIC 1 11 video 1 10 control panel removal 4 6 5 7 6 8 cover removal 4 3 5 4 6 3 D DC power connector pin assignments 1 14 distribution low profile computer 1 16 distribution midsize computer 1 18 distribution mini tower computer 1 19 power supply connectors low profile computer 1 15 power supp...

Page 144: ... front bezel removal 6 4 front panel features 1 4 front panel insert removal 4 5 5 6 6 6 6 7 H hard disk drives bracket removal 5 11 6 13 options 1 10 removal 4 10 5 12 6 14 help getting 2 6 I interrupt assignments list of 1 23 ISA expansion card connectors low profile computer 1 7 midsize computer 1 8 mini tower computer 1 9 J jumpers list of 1 22 location 1 21 K key combinations to enter System ...

Page 145: ...stems 5 1 mini tower systems 6 1 reset button removal 4 4 5 5 6 5 resource conflicts eliminating 2 6 riser board removal 4 15 5 17 6 19 S SIMMs See DIMMs specifications technical 1 25 subsystems EIDE 1 10 expansion 1 7 memory 1 21 system battery removal 4 21 5 23 6 25 system board component locations 1 20 jumpers 1 21 removal 4 22 5 24 6 26 system error messages list of 3 4 system features 1 2 sys...

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Page 147: ... www dell com Printed in the U S A P N 50560 Rev A01 ...

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