Dell OptiPlex G1 Service Manual Download

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Dell OptiPlex G1 Managed PC Systems Service Manual

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To remove the riser board, follow these steps:

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When you replace the riser board, be sure that the alignment feature on the
expansion-card cage engages with the alignment slot.

riser board

riser-board mounting
screws (2)

expansion-card cage

riser-board alignment
slot

Summary of Contents for OptiPlex G1

Page 1: ...ZZZ GHOO FRP HOO 2SWL3OH 0DQDJHG 3 6 VWHPV 6 59 0 18 ...

Page 2: ...ration MS DOS Microsoft and Windows are registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks and MMX is a trademark of Intel 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 cla...

Page 3: ... Ethernet NIC Support Optional 1 5 Network Cable Requirements 1 5 Full Set of I O Ports 1 6 Power Supply 1 6 Location of Major Components 1 7 Component Orientation 1 11 Advanced Expansion Features 1 12 Low Profile Computer s Expansion Card Slots 1 12 Midsize Computer s Expansion Card Slots 1 12 Mini Tower Computer s Expansion Card Slots 1 13 Upgrade Options 1 14 Microprocessor L2 Cache Upgrades 1 ...

Page 4: ...XEOHVKRRWLQJ Initial User Contact 2 1 External Visual Inspection 2 2 Observing the Boot Routine 2 3 Internal Visual Inspection 2 4 Eliminating Resource Conflicts 2 5 Running the System Diagnostics 2 6 Getting Help 2 6 KDSWHU HHS RGHV DQG UURU 0HVVDJHV POST Beep Codes 3 1 System Error Messages 3 3 KDSWHU 5HPRYLQJ DQG 5HSODFLQJ 3DUWV RQ WKH RZ 3URILOH KDVVLV Recommended Tools 4 1 Precautionary Measu...

Page 5: ... Measures 5 2 Inside the Computer 5 3 Using the Optional Stand for Vertical Orientation 5 3 Computer Cover 5 5 Eject Power and Reset Buttons 5 6 Front Panel Inserts 5 7 Control Panel 5 8 Drives 5 9 Externally Accessible Drive Assemblies 5 9 3 5 Inch Diskette Drive Assembly 5 10 5 25 Inch Drive Assembly 5 11 Hard Disk Drive Bracket 5 12 Hard Disk Drive 5 13 System Power Supply 5 14 Expansion Cards ...

Page 6: ...15 Expansion Cards 6 16 Expansion Card Cage 6 16 Expansion Card 6 17 Riser Board 6 18 System Board 6 19 System Board Components 6 20 DIMMs 6 21 Video Memory 6 22 Microprocessor 6 23 SEC Cartridge Heat Sink Assembly 6 23 System Battery 6 24 SSHQGL 6 VWHP 6HWXS 3URJUDP System Setup Screen A 2 QGH LJXUHV Figure 1 1 Chassis Configurations 1 1 Figure 1 2 Front Panel Features 1 7 Figure 1 3 Internal Vie...

Page 7: ...ching the Optional Stand for Vertical Orientation 4 4 Figure 4 3 Computer Cover Removal 4 5 Figure 4 4 Eject Power and Reset Button Removal 4 6 Figure 4 5 Front Panel Insert Removal 4 7 Figure 4 6 Control Panel Removal 4 8 Figure 4 7 Drive Hardware 4 9 Figure 4 8 3 5 Inch Diskette Drive Removal 4 10 Figure 4 9 5 25 Inch Drive Assembly Removal 4 11 Figure 4 10 Hard Disk Drive Assembly Removal 4 12 ...

Page 8: ...System Battery Installation 5 23 Figure 6 1 Internal View of the Mini Tower Computer 6 3 Figure 6 2 Computer Cover Removal 6 4 Figure 6 3 Front Bezel Removal 6 5 Figure 6 4 Eject Power and Reset Button Removal 6 6 Figure 6 5 5 25 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 Diskette Drive Assembly Removal 6 10 Figure 6 9...

Page 9: ... 24 Figure A 1 System Setup Screen A 2 7DEOHV Table 1 1 System Board Jumper Descriptions 1 17 Table 1 2 Interrupt Assignments 1 18 Table 1 3 DREQ Line Assignments 1 19 Table 1 4 OptiPlex G1 DC Voltage Ranges 1 21 Table 1 5 Technical Specifications 1 28 Table 3 1 POST Beep Codes 3 1 Table 3 2 System Error Messages 3 3 Table A 1 System Setup Options A 3 ...

Page 10: ...edures and instructions on using the Dell diagnostics to test the computer system DUQLQJV DXWLRQV DQG 1RWHV Throughout this manual there may be blocks of text printed in bold type or in italic type These blocks are warnings cautions and notes and they are used as follows 51 1 51 1 LQGLFDWHV WKH SRWHQWLDO IRU ERGLO KDUP DQG SURYLGHV LQVWUXFWLRQV IRU KRZ WR DYRLG WKH SUREOHP 87 21 87 21 LQGLFDWHV HL...

Page 11: ...X technology The OptiPlex G1 systems use a Dell designed system board with an optional integrated NIC controller with Wakeup On LAN capability The OptiPlex G1 systems are available in three different chassis configurations low profile desktop midsize desktop and mini tower see Figure 1 1 Chapters 1 through 3 and Appendix A contain information that applies to all models of the OptiPlex G1 family Ch...

Page 12: ...nostic beep codes and diagnostic screen error messages see Chapters 1 through 3 and Appendix A 6WDQGDUG HDWXUHV The features described in the following subsections are common to all chassis configurations 3HQWLXP 0LFURSURFHVVRU All OptiPlex G1 systems incorporate the Pentium II microprocessor for improved operating speeds and overall performance Some of the major enhancement features of the Pentiu...

Page 13: ...mplemented on the system board provides two Mode 4 DMA bus mastered EIDE interfaces each of which can support up to two EIDE devices for example CD ROM drive hard disk drive and so on 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 devices The computer s boot drive should be connected to the primary E...

Page 14: ...or devices attached to the PCI bus The maximum supported resolutions include 1600 x 1200 pixels with 256 col ors noninterlaced and 1024 x 768 pixels with 65 536 colors noninterlaced The SVGA subsystem consists of the following major components ATI Rage II C baseline AGP 1X video controller 2 MB synchronous graphics random access memory SGRAM video memory expandable to 4 MB using a video memory upg...

Page 15: ...the chassis intrusion detector QWHJUDWHG WKHUQHW 1 6XSSRUW 2SWLRQDO The OptiPlex G1 systems are available with or without integrated Ethernet NIC subsystem The integrated 10 100 Mbps 3Com PCI 3C905B TX Ethernet NIC subsystem supports the Wakeup On LAN feature and the 10BASE T and 100BASE TX standards The NIC subsystem connects to the Ethernet network through a single RJ45 connector on the back of ...

Page 16: ...s mouse and keyboard One 15 hole video connector One RJ45 Ethernet NIC connector optional See Figures 1 3 through 1 5 for I O port identifiers for the various chassis configurations 3RZHU 6XSSO The OptiPlex G1 systems are equipped with a switch selectable 115 230 VAC power supply that can operate from standard AC power outlets in the U S and all international countries The power supply used in the...

Page 17: ...t button hard disk drive access indicator power indicator diskette drive access indicator reset button hard disk drive access indicator power button power indicator power indicator hard disk drive access indicator power button reset button Mini Tower Chassis Midsize Chassis Low Profile Chassis diskette drive removable media device diskette drive removable media device diskette drive access indicat...

Page 18: ... power receptacle 3 5 inch diskette drive expansion card cage USB connectors 2 keyboard connector video connector expansion card slots 3 hard disk drive serial port 2 connector hard disk drive interface cable diskette tape drive interface cable parallel port connector NIC connector optional mouse connector padlock ring security cable slot chassis intrusion switch ...

Page 19: ... receptacle serial port 1 connector USB connectors 2 keyboard connector mouse 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 video connector serial port 2 connector security cable slot padlock ring chassis intrusion switch ...

Page 20: ... 2 connector AC power receptacle parallel port connector USB connectors 2 mouse connector keyboard connector serial port 1 connector video connector padlock ring system board expansion card cage riser board hard disk drive bracket external drive bays interface cable NIC connector optional chassis intrusion switch voltage selection switch ...

Page 21: ...UPDWLRQ left side front left side front right side back front back top bottom Mini Tower Chassis Midsize Chassis Low Profile Computer right side back diskette drive diskette drive diskette drive hard disk drive power supply power supply power supply hard disk drive hard disk drive system board system board system board removable media device removable media device removable media device ...

Page 22: ...ave 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 expansion card connector share a single expansion card slot resulting in a total of three expansion card slots see Figure 1 6 The low profile computers have a passive riser board with no PCI to PCI bridge The riser board includes th...

Page 23: ...H RPSXWHU 2SWLRQ LJXUH 5LVHU RDUG IRU WKH 0LGVL H RPSXWHU 2SWLRQ 0LQL 7RZHU RPSXWHU V SDQVLRQ DUG 6ORWV The mini tower computers have seven expansion card slots The riser board has four ISA expansion card connectors and five PCI expansion card connec tors Two PCI expansion card connectors share expansion card slots with two ISA connectors resulting in a total of seven expansion card slots see Figu...

Page 24: ... following subsections and installation procedures are provided for the various chassis configurations in Chapters 4 5 and 6 0LFURSURFHVVRU DFKH 8SJUDGHV The microprocessor and secondary L2 cache memory are implemented in an SEC cartridge heat sink assembly Upgrade to a higher performance micro processor is accomplished by snapping out the old assembly and installing an upgrade assembly as higher ...

Page 25: ...figurations 5HPRWH 0DQDJHPHQW 6XSSRUW HDWXUHV 2SWLRQDO For OptiPlex G1 systems equipped with the optional integrated Wakeup On LAN capable NIC the following tasks may be performed by a system adminis trator at a remote location Perform computer setup processes Download and install software Perform file updates Perform asset tracking functions Download and run the diagnostics over the network 2QOLQ...

Page 26: ...T riser board connector RISER secondary EIDE interface connector IDE2 system board jumpers battery socket BATTERY control panel connector PANEL 3 3 V power input connector POWER_2 main power input connector POWER_1 DIMM sockets 2 DIMM_A DIMM_B front of computer ATI multimedia channel connector AMC video memory upgrade socket VIDEO_UPGRADE optional NIC connector ENET video connector MONITOR micropr...

Page 27: ... MHz otherwise the jumper should not be installed 400MHZ Micro processor speed Install jumper if the microprocessor s internal speed is 400 MHz otherwise the jumper should not be installed 350MHZ Micro processor speed Install jumper if the microprocessor s internal speed is 350 MHz otherwise the jumper should not be installed One set of speed jumpers must have a jumper plug installed otherwise the...

Page 28: ...e Install to enable the password feature default 7DEOH QWHUUXSW VVLJQPHQWV 54 LQH 8VHG YDLODEOH IRQ0 Generated by system timer IRQ1 Generated by keyboard controller IRQ2 Generated internally by interrupt controller to enable IRQ8 through IRQ15 IRQ3 Generated by super I O controller to indicate that the device con nected to the serial port COM2 or COM4 requires service IRQ4 Generated by super I O c...

Page 29: ...ondary EIDE port to indi cate that device requires service If the EIDE controller is disabled this line is available for other use If an ISA expansion card is configured for IRQ11 the optional NIC or PCI IRQ is assigned to another available IRQ line 7DEOH 5 4 LQH VVLJQPHQWV 5 4 LQH 8VHG YDLODEOH DREQ0 Available DREQ1 Available DREQ2 Generated by super I O controller to initiate DMA cycle for attac...

Page 30: ...QL 7RZHU RPSXWHU The hard disk drive bracket is located beneath the externally accessible drive bays at the front of the computer The hard disk drive bracket can contain either one or two 1 inch high EIDE hard disk drives or one 1 inch high EIDE hard disk drive and one 1 6 inch high EIDE hard disk drive 3RZHU 6XSSO 6HUYLFH DWD The low profile computers have a 145 W system power supply and the mid ...

Page 31: ...s 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 should not exceed 105 W on the low profile computers or 140 W on the midsize mini tower comp...

Page 32: ...speed 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 4 LJXUH 3RZHU RQQHFWRU 3 LJXUH 3RZHU RQQHFWRUV 3 0LGVL H DQG 0LQL 7RZHU KDVVLV 3 3 3 3 DQG 3 OO 2SWL3OH KDVVLV 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...

Page 33: ...t DC power 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 LJXUH 3RZHU DEOHV IRU WKH RZ 3URILOH RPSXWHU 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: ...C 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 battery 5 VDC 5 VDC ISA1 ISA2 PCI1 PCI2 MICROPROCESSOR PANEL KYBD MOUSE DIMM_A DIMM_B main memory sockets P4 FAN RISER optional drive P5 riser board system board internal hard disk drive POWER2 processor core regulator 5 VDC USB 3 3 VDC P1 NOTE 5 VFP is routed to the optio...

Page 35: ...System Overview 1 25 LJXUH 3RZHU DEOHV IRU WKH 0LGVL H DQG 0LQL 7RZHU RPSXWHUV P7 P9 P5 P4 P3 P2 P1 P6 ...

Page 36: ...roller P3 5 VDC 12 VDC 12 VDC 12 VDC 3 5 inch diskette drive battery P1 ISA1 through ISA3 PCI1 through PCI3 MICROPROCESSOR PANEL KYBD MOUSE DIMM_A 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 regulator POWER2 core VCC 2 1 to 3 5 VDC USB 3 3 VDC Some computers have an additional conn...

Page 37: ...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 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 regulator POWER2 core VCC 2 1 to 3 5 VDC USB 3 3 VDC P9 optional drive P1 ...

Page 38: ...System chip set Intel 440BX PIIX4e chip set Data bus width 64 bits Address bus width 32 bits DMA channels eight Interrupt levels 15 Flash EPROM BIOS 2 Mb SDQVLRQ XV Bus types PCI and ISA PCI bus complies with PCI Specification 2 1 Bus speeds PCI 33 MHz ISA 8 33 MHz PCI expansion card connectors Low profile computers two one PCI connector and one ISA con nector share an expansion card slot Midsize ...

Page 39: ...PRU Architecture 64 bit nonparity noninterleaved DIMM sockets two gold contacts DIMM capacities 32 64 and 128 MB SDRAM Minimum RAM 32 MB Maximum RAM 256 MB L2 cache memory 512 KB pipeline burst four way set associative write back SRAM BIOS address F0000h NIC ROM address C8000h ULYHV Externally accessible bays Low profile computers one 3 5 inch bay for a 3 5 inch diskette drive one 5 25 inch bay fo...

Page 40: ... 6 inch high EIDE hard disk drive 9LGHR Video type integrated ATI Rage II C baseline AGP 1X graphics Video memory 2 MB SGRAM upgradable to 4 MB Maximum video resolution 1600 x 1200 pixels with 256 colors 3RUWV Externally accessible Serial DTE two 9 pin connectors 16550 compatible Parallel one 25 hole connector bidirectional Video one 15 hole connector PS 2 style keyboard 6 pin mini DIN PS 2 compat...

Page 41: ...r green LED in normal operation flashing green LED in sleep state green LED on riser board Diskette drive access indicator green LED Hard disk drive access indicator green LED Link integrity indicator on systems with NIC connector green LED Activity indicator on systems with NIC connector yellow LED 3RZHU Power supply wattage Low profile computers 145 W Midsize computers 200 W Mini tower computers...

Page 42: ...5 inches Weight minimum 12 7 kg 28 0 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 0 lb QYLURQPHQWDO Temperature Operating 10 to 35 C 50 to 95 F Storage 40 to 65 C 40 to 149 F Relative humidity 20 to 80 noncondensing Maximum vibration Operating 0 25 G at 3 to 200 Hz at 1 octave min Storage 0 5 G at 3 to 200 Hz at 1 o...

Page 43: ...locity of 50 8 cm sec 20 inches sec Storage 27 G faired square wave with a velocity change of 508 cm sec 200 inches 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 temperature is reduced 7DEOH 7HFKQLFDO 6SHFLILFDWLRQV FRQWLQXHG...

Page 44: ...1 34 Dell OptiPlex G1 Managed PC Systems Service Manual ...

Page 45: ...rbal description can often indicate the cause of a problem or indicate the appropri ate troubleshooting procedure to use After the user describes the problem follow these steps VN WKH XVHU WR EDFN XS DQ GDWD RQ WKH KDUG GLVN GULYH LI WKH V VWHP V FRQGLWLRQ SHUPLWV See Maintaining the System in the online System User s Guide for infor mation about backing up data VN WKH XVHU WR WU WR GXSOLFDWH WKH ...

Page 46: ...he serial port con nectors and its captive screws must be secure enough to ensure a firm connection 9HULI WKDW DQ GHYLFHV DWWDFKHG WR WKH VHULDO DQG SDUDOOHO SRUW FRQQHFWRUV DUH SURSHUO FRQQHFWHG Each of the serial and parallel port 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 The captive screws...

Page 47: ...ODEOH NOTE Most of the steps in this procedure require observation 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 QVHUW D FRS RI WKH HOO LDJQRVWLFV LVNHWWH LQWR GULYH 7XUQ RQ DOO SHULSKHUDOV DQG WKH FRP...

Page 48: ...this chapter No Proceed to step 6 7XUQ RII WKH V VWHP LQVHUW D FRS RI WKH HOO LDJQRVWLFV LVNHWWH LQWR WKH GLVNHWWH GULYH DQG WKHQ UHERRW WKH V VWHP Does the Diagnostics Menu appear Yes See Running the System Diagnostics found later in this chapter No Proceed to the next section Internal Visual Inspection QWHUQDO 9LVXDO QVSHFWLRQ 87 21 HIRUH RX SURFHHG ZLWK WKH LQWHUQDO YLVXDO LQVSHFWLRQ GHVFULEHG ...

Page 49: ... Chapter 4 5 or 6 as appropriate for your system 9HULI WKDW DOO MXPSHUV DUH VHW FRUUHFWO For information about these jumpers see System Board Jumpers in Chapter 1 KHFN DOO FDEOH FRQQHFWRUV LQVLGH WKH FRPSXWHU WR YHULI WKDW WKH DUH ILUPO DWWDFKHG WR WKHLU DSSURSULDWH FRQQHFWRUV 5HLQVWDOO WKH FRPSXWHU FRYHU 5HFRQQHFW WKH FRPSXWHU DQG DQ DWWDFKHG SHULSKHUDOV WR WKHLU SRZHU VRXUFHV DQG WXUQ WKHP RQ Do...

Page 50: ... diagnostics loads and the Diagnostics Menu appears 2EVHUYH WKH PRQLWRU VFUHHQ IRU WKH LDJQRVWLFV 0HQX This menu lets you choose the following options or exit to the MS DOS prompt Run Quick Tests Runs selected tests from all test groups to quickly locate a failure or to indicate where further testing is needed to isolate a failure Run All Tests Runs all tests for a thorough test of the system Run ...

Page 51: ...HV 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 generated during the POST Most beep codes indicate a fatal error that pre vents the system from completing the boot routine until the indicated condition is corrected...

Page 52: ...improperly seated DIMM 3 1 1 3 1 2 3 1 3 3 1 4 Slave DMA register failure Master DMA register failure Master interrupt mask regis ter failure Slave interrupt mask register failure Defective system board 3 2 4 Keyboard controller test failure Faulty keyboard controller defective system board 3 3 4 3 4 1 3 4 2 Screen initialization failure Screen retrace test failure Search for video ROM failure Fau...

Page 53: ...roprocessor chip or system board 4 4 4 Cache test failure Defective microprocessor or system board 7DEOH 6 VWHP UURU 0HVVDJHV 0HVVDJH HILQLWLRQ 3UREDEOH DXVHV GGUHVV PDUN QRW IRXQG BIOS found faulty disk sector or could not find particular disk sector Faulty diskette tape drive subsystem or hard disk drive subsystem defec tive system board WWDFKPHQW IDLOHG WR UHVSRQG Diskette drive or hard disk dr...

Page 54: ...loose power cable LVNHWWH VXE V VWHP UHVHW IDLOHG System could not suc cessfully issue reset command to diskette controller Faulty diskette tape drive controller defective sys tem board LVNHWWH ZULWH SURWHFWHG Diskette write protect feature activated Diskette write protected ULYH QRW UHDG Diskette missing from or improperly inserted in diskette drive Defective unformatted or improperly inserted di...

Page 55: ...use control ler defective system board H ERDUG FRQWUROOHU IDLOXUH Keyboard mouse con troller failed Defective keyboard mouse controller defec tive system board 0HPRU DGGUHVV OLQH IDLOXUH DW DGGUHVV UHDG YDOXH H SHFWLQJ YDOXH 0HPRU GDWD OLQH IDLOXUH DW DGGUHVV UHDG YDOXH H SHFWLQJ YDOXH 0HPRU GRXEOH ZRUG ORJLF IDLO XUH DW DGGUHVV UHDG YDOXH H SHFWLQJ YDOXH 0HPRU RGG HYHQ ORJLF IDLOXUH DW DGGUHVV UH...

Page 56: ... system board 1RQ V VWHP GLVN RU GLVN HUURU Diskette in drive A or hard disk drive does not have bootable operating system installed on it Faulty diskette diskette tape drive subsystem or hard disk drive subsystem 1RW D ERRW GLVNHWWH No operating system on diskette No operating system on diskette 3OXJ DQG 3OD RQILJXUDWLRQ UURU System encountered problem in trying to configure one or more expansion...

Page 57: ...RW VHW Time or date setting in System Setup program incorrect or system bat tery bad Incorrect Time or Date settings or defective sys tem battery 7LPHU FKLS FRXQWHU IDLOHG Timer circuit on system board malfunctioning Defective system board 8QH SHFWHG LQWHUUXSW LQ SURWHFWHG PRGH Keyboard mouse con troller malfunctioning or one or more DIMMs improperly seated Improperly seated DIMMs or faulty key bo...

Page 58: ...3 8 Dell OptiPlex G1 Managed PC Systems Service Manual ...

Page 59: ...mes 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 5HFRPPHQGHG 7RROV Most of the procedures in this chapter require the use of one or more of the following tools Small flat blade scre...

Page 60: ... WR UHGXFH WKH SRWHQWLDO IRU SHUVRQDO LQMXU OVR GLVFRQQHFW DQ WHOHSKRQH RU WHOHFRPPXQLFDWLRQ OLQHV IURP WKH FRPSXWHU DLW VHFRQGV DIWHU SRZHULQJ GRZQ WKH FRPSXWHU EHIRUH GLVFRQQHFWLQJ D SHULSKHUDO IURP WKH FRPSXWHU RU UHPRYLQJ D FRPSRQHQW IURP WKH FRPSXWHU V V VWHP ERDUG WR DYRLG SRVVLEOH GDPDJH WR WKH V VWHP ERDUG HDU D ZULVW JURXQGLQJ VWUDS DQG FOLS LW WR DQ XQSDLQWHG PHWDO VXU IDFH VXFK DV WKH S...

Page 61: ...major components for orientation Refer to this illustration as needed when performing the component removal replacement procedures in this chapter LJXUH QWHUQDO 9LHZ RI WKH RZ 3URILOH RPSXWH U power supply diskette drive expansion card cage internal hard disk drive system board removable media device in external bay drive cage for external drive chassis intrusion switch ...

Page 62: ...the stand as shown in Figure 4 2 Align the large round hole in the stand with the securing button on the side of the cover and align the cap tive thumbscrew in the stand with the screw hole in the cover LJXUH WWDFKLQJ WKH 2SWLRQDO 6WDQG IRU 9HUWLFDO 2ULHQWDWLRQ As you lower the stand into place make sure that the locator pin see Figure 4 2 fits into the corner hole of the hole pattern as shown Whe...

Page 63: ...UG WKH IURQW RI WKH FRPSXWHU LIW WKH FRYHU RII RI WKH KRRNV DW WKH IURQW RI WKH FKDVVLV 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 proper airflow inside the computer NOTE After removing and replacing the chassis the chassis intrusion detector al...

Page 64: ... EDFN RI WKH FRYHU IDFLQJ RX 7R UHPRYH WKH LQFK GLVNHWWH GULYH HMHFW EXWWRQ SXOO JHQWO RQ WKH SODVWLF SDUW RI WKH EXWWRQ XQWLO LW FRPHV IUHH 7R UHPRYH WKH SRZHU EXWWRQ RU WKH UHVHW EXWWRQ XVH D VPDOO VFUHZGULYHU DQG SXVK LQ RQ WKH WZR RU WKUHH SODVWLF FOLSV WKDW KROG WKH EXWWRQ WR WKH FRPSXWHU FRYHU When these clips are released the button comes free from the front panel of the cover power button ...

Page 65: ...RI WKH FRYHU IDFLQJ RX URP WKH IURQW RI WKH FRYHU XVH RXU WKXPEV WR SXVK LQZDUG RQ WKH LQVHUW XQWLO LW VOLGHV RII WKH WZR SRVWV To replace a 5 25 inch front panel insert position the two ring tabs over the posts on the inside of the bay opening and 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 d...

Page 66: ...H IURP WKH 3 1 FRQQHFWRU RQ WKH V VWHP ERDUG VHH LJXUH URP WKH LQVLGH RI WKH FKDVVLV UHPRYH WKH PRXQWLQJ VFUHZ KROG LQJ WKH FRQWURO SDQHO WR WKH FKDVVLV 5HPRYH WKH FRQWURO SDQHO IURP WKH FKDVVLV When you reinstall the control panel be sure to put the right side of the control panel behind the mounting tab control panel cable control panel mounting screw mounting tab chassis ...

Page 67: ...Refer to this figure when you perform any of the procedures in the following subsections LJXUH ULYH DUGZDUH EDFN power supply diskette tape drive interface cable DC power cable hard disk drive 3 5 inch diskette drive EIDE cable DSKT connector primary EIDE interface connector IDE1 secondary EIDE interface connector IDE2 5 25 inch drive bay and bracket ...

Page 68: ... WKH LQWHUIDFH FDEOH IURP WKH EDFN RI WKH GLVNHWWH GULYH 3UHVV WKH WZR LQFK GLVNHWWH GULYH DVVHPEO ODWFKHV WR WKH OHIW WR UHOHDVH WKH DVVHPEO Rotate the left side of the assembly up and lift the assembly out of the chassis 5HPRYH WKH WZR GULYH PRXQWLQJ VFUHZV IURP WKH OHIW VLGH RI WKH GULYH DQG UHPRYH WKH GULYH IURP WKH EUDFNHW When you replace the 3 5 inch diskette drive be sure that the mounting...

Page 69: ... LQFK GULYH DVVHPEO XSVLGH GRZQ WKHQ UHPRYH WKH IRXU VFUHZV DWWDFKLQJ WKH GULYH WR WKH EUDFNHW 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 bracket Check the alignment of the c...

Page 70: ... GLVN GULYH EUDFNHW WR WKH FKDVVLV 3LYRW WKH KDUG GLVN GULYH DVVHPEO XS DQG OLIW LW RXW RI WKH FKDVVLV 5HPRYH WKH IRXU KDUG GLVN GULYH PRXQWLQJ VFUHZV WKDW DWWDFK WKH KDUG GLVN GULYH WR WKH KDUG GLVN GULYH EUDFNHW When you reinstall the hard disk drive assembly be sure that the tabs on the back of the mounting plate fully engage the notches on the chassis before you rotate the assembly into place ...

Page 71: ...KDVVLV 6OLGH WKH V VWHP SRZHU VXSSO IRUZDUG XQWLO LW VWRSV WKHQ OLIW LW IURP WKH FKDVVLV 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 right side of the power supply 51 1 7KH YROWDJH VHOHFWLRQ VZLWFK ORFDWHG RQ WKH EDFN RI WKH SRZHU VXSS...

Page 72: ... FRPSXWHU XQWLO LW VWRSV LQ WKH XSULJKW SRVLWLRQ LIW WKH H SDQVLRQ FDUG FDJH XS DQG DZD IURP WKH FRPSXWHU To replace an expansion card cage keep it flush against the chassis to ensure that the lever engages the notch in the chassis when the lever is depressed If reinstalling an ISA expansion card into the expansion card cage be sure to slip the end of the ISA expansion card into the plastic ISA ex...

Page 73: ...QHFW DQ H WHUQDO FDEOHV IURP WKH H SDQVLRQ FDUG EHLQJ UHPRYHG 5HPRYH WKH H SDQVLRQ FDUG FDJH 5HPRYH WKH UHWDLQLQJ VFUHZ IURP WKH FDUG PRXQWLQJ EUDFNHW UDVS WKH H SDQVLRQ FDUG E LWV FRUQHUV DQG FDUHIXOO UHPRYH LW IURP WKH H SDQVLRQ FDUG FRQQHFWRU expansion card card slot opening card mounting bracket retaining screw expansion card connector riser board ...

Page 74: ...V D WKH H SDQVLRQ FDUG FDJH RQ D IODW ZRUN VXUIDFH ZLWK WKH ULVHU ERDUG IDFLQJ XS 5HPRYH WKH WZR ULVHU ERDUG PRXQWLQJ VFUHZV LIW WKH ULVHU ERDUG DZD IURP WKH H SDQVLRQ FDUG FDJH When you replace the riser board be sure that the alignment feature on the expansion card cage engages with the alignment slot riser board riser board mounting screws 2 expansion card cage riser boardalignment slot ...

Page 75: ... QRW WZLVW WKH V VWHP ERDUG NOTES If you are replacing the system board remove all DIMMs the video memory upgrade module if present the single edge contact SEC cartridge heat sink assembly and the guide bracket assembly from the old system board and install them on the replacement board Also set the jumpers on the new system board so that they are identical to those on the old board unless a micro...

Page 76: ...RP LWV VRFNHW SEC cartridge connector SLOT1 primary EIDE interface connector IDE1 diskette tape drive interface connector DSKT riser board connector RISER secondary EIDE interface connector IDE2 system board jumpers battery socket BATTERY control panel connector PANEL 3 3 V power input connector POWER_2 main power input connector POWER_1 DIMM sockets 2 DIMM_A DIMM_B front of computer ATI multimedi...

Page 77: ...E SUHVVLQJ WKH 00 IXOO LQWR WKH VRFNHW DQG WKHQ FORVLQJ WKH VHFXULQJ FOLSV WR ORFN WKH 00 LQWR WKH VRFNHW LJXUH 00 QVWDOODWLRQ 5HSODFH DOO DVVHPEOLHV DQG FDEOHV SUHYLRXVO UHPRYHG 9LGHR 0HPRU LJXUH QVWDOOLQJ D 9LGHR 0HPRU 8SJUDGH 0RGXOH 2 1 securing clips 2 securing clips 2 2 1 video memory upgrade socket video memory upgrade module notch ...

Page 78: ...LQ WKH PRGXOH PDWHV ZLWK WKH VRFNHW NH 3UHVV WKH YLGHR PHPRU XSJUDGH PRGXOH ILUPO LQWR WKH VRFNHW DQG SLYRW WKH PRGXOH GRZQZDUG XQWLO LW FOLFNV LQWR SODFH If you do not hear a sharp click when installing the video memory upgrade module remove the module and repeat steps 2 and 3 5HSODFH WKH H SDQVLRQ FDUG FDJH 5HSODFH WKH FRPSXWHU FRYHU DQG UHFRQQHFW WKH SRZHU FDEOH WR WKH RXWOHW 3UHVV WKH SRZHU EX...

Page 79: ...EC cartridge heat sink assembly during normal maintenance 6 DUWULGJH HDW 6LQN VVHPEO LJXUH 6 DUWULGJH HDW 6LQN 5HPRYDO To remove the SEC cartridge heat sink assembly follow these steps 51 1 7KH 6 FDUWULGJH KHDW VLQN DVVHPEO FDQ JHW H WUHPHO KRW GXULQJ V VWHP RSHUDWLRQV H VXUH WKDW WKH DVVHPEO KDV KDG VXI ILFLHQW WLPH WR FRRO EHIRUH WRXFKLQJ LW RFDWH WKH 6 FDUWULGJH KHDW VLQN DVVHPEO LVFRQQHFW WKH ...

Page 80: ...atches out ward to lock the assembly onto the metal standoffs 6 VWHP DWWHU LJXUH 6 VWHP DWWHU QVWDOODWLRQ To remove the system battery follow these steps I SRVVLEOH ERRW WKH V VWHP DQG HQWHU WKH 6 VWHP 6HWXS SURJUDP 7KHQ UHFRUG LPSRUWDQW V VWHP FRQILJXUDWLRQ LQIRUPDWLRQ VHH SSHQGL 6 VWHP 6HWXS 3URJUDP µ IRU GHWDLOV 7XUQ RII SRZHU WR DOO SHULSKHUDOV DQG GLVFRQQHFW WKH SRZHU FDEOH IURP LWV RXWOHW 5H...

Page 81: ...SXWHU FRYHU DQG UHERRW WKH V VWHP QWHU WKH 6 VWHP 6HWXS SURJUDP DQG FRQILJXUH WKH V VWHP XVLQJ WKH LQIRUPDWLRQ IURP WKH SULQWRXWV RX PDGH HDUOLHU 7XUQ RII WKH FRPSXWHU DQG ZDLW PLQXWHV 7KHQ UHHQWHU WKH 6 V WHP 6HWXS SURJUDP WR HQVXUH WKDW WKH GDWH DQG WLPH DUH VWLOO FRUUHFW LQGLFDWLQJ WKDW WKH V VWHP EDWWHU LV IXQFWLRQLQJ FRUUHFWO 51 1 51 1 7KHUH LV D GDQJHU RI WKH QHZ EDWWHU H SORGLQJ LI LW LV LQ...

Page 82: ...4 24 Dell OptiPlex G1 Managed PC Systems Service Manual ...

Page 83: ...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 5HFRPPHQGHG 7RROV Most of the procedures in this chapter require the use of one or more of the following tools Small flat blade screwdri...

Page 84: ... WR UHGXFH WKH SRWHQWLDO IRU SHUVRQDO LQMXU OVR GLVFRQQHFW DQ WHOHSKRQH RU WHOHFRPPXQLFDWLRQ OLQHV IURP WKH FRPSXWHU DLW VHFRQGV DIWHU SRZHULQJ GRZQ WKH FRPSXWHU EHIRUH GLVFRQQHFWLQJ D SHULSKHUDO IURP WKH FRPSXWHU RU UHPRYLQJ D FRPSRQHQW IURP WKH FRPSXWHU V V VWHP ERDUG WR DYRLG SRVVLEOH GDPDJH WR WKH V VWHP ERDUG HDU D ZULVW JURXQGLQJ VWUDS DQG FOLS LW WR DQ XQSDLQWHG PHWDO VXU IDFH VXFK DV WKH S...

Page 85: ...emove the stand at any time with a minimum of system disruption it is easiest to attach before you set up your computer and connect the back panel cables To attach the stand follow these steps 7XUQ WKH FRPSXWHU RQWR LWV ULJKW VLGH VR WKDW WKH GULYH ED V DUH DW WKH ERWWRP LW WKH VWDQG RQWR ZKDW ZDV WKH OHIW VLGH RI WKH FRPSXWHU Position the stand as shown in Figure 5 2 Align the large round hole in...

Page 86: ...fits into the corner hole of the hole pattern as shown When the stand is in place tighten the thumbscrew 5RWDWH WKH FRPSXWHU VR WKDW WKH VWDQG LV DW WKH ERWWRP DQG WKH GULYHV DUH DW WKH WRS To remove the stand turn the computer over so the stand is at the top loosen the screw and lift the stand away and then place the computer in a horizontal position locator pin securing button captive screw ...

Page 87: ...FRPSXWHU LIW WKH FRYHU RII WKH KRRNV DW WKH IURQW RI WKH FKDVVLV 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 proper airflow inside the computer NOTE After removing and replacing the chassis the chassis intrusion detector alerts you that the cover ...

Page 88: ... EDFN RI WKH FRYHU IDFLQJ RX 7R UHPRYH WKH LQFK GLVNHWWH GULYH HMHFW EXWWRQ SXOO JHQWO RQ WKH SODVWLF SDUW RI WKH EXWWRQ XQWLO LW FRPHV IUHH 7R UHPRYH WKH SRZHU EXWWRQ RU WKH UHVHW EXWWRQ XVH D VPDOO VFUHZGULYHU DQG SXVK LQ RQ WKH WZR RU WKUHH SODVWLF FOLSV WKDW KROG WKH EXWWRQ WR WKH FRPSXWHU FRYHU When these clips are released the button comes free from the front panel of the cover power button ...

Page 89: ... WKH FRYHU IDFLQJ RX URP WKH IURQW RI WKH FRYHU XVH RXU WKXPEV WR SXVK LQZDUG RQ WKH LQVHUW XQWLO LW VOLGHV RII WKH WZR SRVWV To replace a 5 25 inch front panel insert position the two ring tabs over the posts on the inside of the bay opening and 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 dow...

Page 90: ...EUDFNHW LVFRQQHFW WKH FRQWURO SDQHO FDEOH IURP WKH 3 1 FRQQHFWRU RQ WKH V VWHP ERDUG VHH LJXUH 5HPRYH WKH PRXQWLQJ VFUHZ KROGLQJ WKH FRQWURO SDQHO WR WKH FKDVVLV 6OLGH WKH FRQWURO SDQHO RXW RI WKH KRRNV KROGLQJ LW WR WKH FKDVVLV Note the routing of the control panel cable as you remove it from the chassis control panel control panel cable mounting screw chassis hooks 2 ...

Page 91: ...owing subsections LJXUH ULYH DUGZDUH WHUQDOO FFHVVLEOH ULYH VVHPEOLHV The following subsections contain removal replacement procedures for drives installed in the externally accessible drive bays diskette tape drive interface cable DC power cable DSKT connector system power supply hard disk drive bracket secondary EIDE interface connector IDE2 primary EIDE interface connector IDE1 EIDE cable 3 5 i...

Page 92: ...DFNHW PRXQWLQJ VFUHZ 5RWDWH WKH OHIW VLGH RI WKH LQFK GLVNHWWH GULYH DVVHPEO XS DQG OLIW WKH DVVHPEO RXW RI WKH FKDVVLV 5HPRYH WKH WZR GULYH PRXQWLQJ VFUHZV IURP WKH OHIW VLGH RI WKH GULYH DQG UHPRYH WKH GULYH IURP WKH EUDFNHW When you replace the 3 5 inch diskette drive be sure that the two hooks on the right side of the bracket engage the mounting holes in the side of the 3 5 inch diskette drive...

Page 93: ...FH FDEOH IURP WKH EDFN RI WKH GULYH 3UHVV LQ RQ WKH WZR UHWDLQLQJ WDEV RQH RQ HDFK VLGH RI WKH GULYH DQG VOLGH WKH GULYH DVVHPEO IRUZDUG WR UHPRYH LW 5HPRYH WKH IRXU VFUHZV DWWDFKLQJ WKH LQFK GULYH WR WKH PRXQWLQJ SODWH DQG OLIW WKH GULYH RXW RI WKH PRXQWLQJ SODWH VHH LJXUH LJXUH QFK ULYH 5HPRYDO retaining tabs 2 Align the front of the drive flush with the tab at the front of the 5 25 inch drive m...

Page 94: ...URP WKH EDFN RI HDFK KDUG GLVN GULYH LQVWDOOHG LQ WKH KDUG GLVN GULYH EUDFNHW 5HPRYH WKH VFUHZ WKDW VHFXUHV WKH KDUG GLVN GULYH EUDFNHW WR WKH IURQW RI WKH FKDVVLV UDVS WKH KDQGOH RQ WKH IURQW RI WKH EUDFNHW DQG URWDWH WKH IURQW RI WKH EUDFNHW XS XQWLO WKH KRRNV DUH IUHH IURP WKH FKDVVLV LIW WKH KDUG GLVN GULYH EUDFNHW RXW RI WKH FRPSXWHU When you reinstall the hard disk drive bracket place the lo...

Page 95: ...KDUG GLVN GULYH WR WKH KDUG GLVN GULYH EUDFNHW 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 6OLGH WKH GULYH RXW RI WKH KDUG GLVN GULYH EUDFNHW hard disk drive bracket hard disk drive drive mounting screws for side mounted drive 4 drive mounting screws for ...

Page 96: ...SRZHU VXSSO IURP WKH VHFXULQJ WDE ODEHOHG 5 6 µ DQG URWDWH LW WR WKH ULJKW XQWLO LW VWRSV Press the securing tab to the left to release the power supply LVFRQQHFW WKH SRZHU FDEOHV IURP WKH V VWHP ERDUG DQG WKH GULYHV LIW WKH IURQW HQG RI WKH V VWHP SRZHU VXSSO XS DQG PRYH LW WR WKH ULJKW WR GLVHQJDJH WKH SRZHU VXSSO IURP WKH VORW LQ WKH FKDVVLV LIW WKH V VWHP SRZHU VXSSO IURP WKH FRPSXWHU DCpower ...

Page 97: ...ds If you are not removing any expansion cards leave the external cables attached to them SDQVLRQ DUG DJH LJXUH SDQVLRQ DUG DJH 5HPRYDO To remove an expansion card cage follow these steps 5RWDWH WKH OHYHU WRZDUG WKH EDFN RI WKH FRPSXWHU XQWLO LW VWRSV LQ WKH XSULJKW SRVLWLRQ LIW WKH H SDQVLRQ FDUG FDJH XS DQG DZD IURP WKH FRPSXWHU To replace an expansion card cage keep the cage flush against the c...

Page 98: ...RQQHFW DQ FDEOHV IURP WKH H SDQVLRQ FDUG EHLQJ UHPRYHG 5HPRYH WKH H SDQVLRQ FDUG FDJH 5HPRYH WKH UHWDLQLQJ VFUHZ IURP WKH FDUG PRXQWLQJ EUDFNHW UDVS WKH H SDQVLRQ FDUG E LWV FRUQHUV DQG FDUHIXOO UHPRYH LW IURP WKH H SDQVLRQ FDUG FRQQHFWRU expansion card card slot opening card mounting bracket retaining screw expansion card connector riser board ...

Page 99: ... WKH H SDQVLRQ FDUG FDJH DQG DOO H SDQVLRQ FDUGV 2Q D IODW ZRUN VXUIDFH WXUQ WKH H SDQVLRQ FDUG FDJH RYHU ZLWK WKH ULVHU ERDUG IDFLQJ XS 5HPRYH WKH ULVHU ERDUG PRXQWLQJ VFUHZV 6OLGH WKH ULVHU ERDUG GRZQ XQWLO LW VWRSV WKHQ OLIW WKH ULVHU ERDUG DZD IURP WKH H SDQVLRQ FDUG FDJH riser board riser board mounting screws 2 expansion card cage slots 2 ...

Page 100: ...W WZLVW WKH V VWHP ERDUG NOTES If you are replacing the system board remove all DIMMs the video memory upgrade module if present the single edge contact SEC cartridge heat sink assembly and the guide bracket assembly from the old system board and install them on the replacement board Also set the jumpers on the new system board so that they are identical to those on the old board unless a micropro...

Page 101: ...erface connector DSKT riser board connector RISER secondary EIDE interface connector IDE2 system board jumpers battery socket BATTERY control panel connector PANEL 3 3 V power input connector POWER_2 main power input connector POWER_1 DIMM sockets 2 DIMM_A DIMM_B front of computer ATI multimedia connector AMC video memory upgrade socket VIDEO_UPGRADE optional NIC connector ENET video connector MON...

Page 102: ...VK RXWZDUG RQ WKH 00 VRFNHW V VHFXULQJ FOLSV XQWLO WKH 00 LV UHOHDVHG IURP LWV VRFNHW LJXUH 00 5HPRYDO LIW WKH 00 DZD IURP WKH VRFNHW 5HLQVWDOO WKH UHSODFHPHQW 00 E SUHVVLQJ WKH 00 IXOO LQWR WKH VRFNHW DQG WKHQ FORVLQJ WKH VHFXULQJ FOLSV WR ORFN WKH 00 LQWR WKH VRFNHW LJXUH 00 QVWDOODWLRQ 5HSODFH DOO DVVHPEOLHV DQG FDEOHV SUHYLRXVO UHPRYHG 2 1 securing clips 2 2 1 securing clips 2 ...

Page 103: ...J LW LQWR WKH VRFNHW 2ULHQW WKH YLGHR PHPRU XSJUDGH PRGXOH DV VKRZQ LQ LJXUH 7KHQ FDUHIXOO DOLJQ WKH PRGXOH V HGJH FRQQHFWRU SLQV ZLWK WKH VRFNHW HQVXULQJ WKDW WKH VORW LQ WKH PRGXOH PDWHV ZLWK WKH VRFNHW NH 3UHVV WKH YLGHR PHPRU XSJUDGH PRGXOH ILUPO LQWR WKH VRFNHW DQG SLYRW WKH PRGXOH GRZQZDUG XQWLO LW FOLFNV LQWR SODFH If you do not hear a sharp click when installing the video memory upgrade mo...

Page 104: ...dvantage of future options in processor speed and functionality you can replace the microprocessor on your system board with any Dell supported microprocessor upgrade The microprocessor upgrade kit is shipped with an SEC cartridge heat sink assembly which includes the microprocessor micro processor heat sink and L2 cache memory module You may also have to reseat or replace an SEC cartridge heat si...

Page 105: ...ZDUG RQ WKH 6 FDUWULGJH UHOHDVH ODWFKHV ORFDWHG GLUHFWO RQ WRS RI WKH 6 FDUWULGJH DGMDFHQW WR WKH KHDW VLQN DVVHPEO XQWLO WKH ODWFKHV FOLFN LIW WKH 6 FDUWULGJH KHDW VLQN DVVHPEO RXW RI LWV JXLGH EUDFNHW DVVHPEO FRQQHFWRU RQ WKH V VWHP ERDUG NOTE When installing the SEC cartridge heat sink assembly carefully orient the assembly and press firmly with up to 25 pounds of force to mate the SEC cartridg...

Page 106: ...WK D EOXQW QRQFRQGXFWLQJ REMHFW VXFK DV D SODV WLF VFUHZGULYHU QVHUW WKH EDWWHU LQWR WKH VRFNHW ZLWK WKH SRVLWLYH VLGH ODEHOHG µ IDFLQJ XSZDUGV DQG VQDS LW LQWR SODFH 5HSODFH WKH H SDQVLRQ FDUG FDJH UHFRQQHFW DOO FDEOLQJ UHSODFH WKH FRPSXWHU FRYHU DQG UHERRW WKH V VWHP QWHU WKH 6 VWHP 6HWXS SURJUDP DQG FRQILJXUH WKH V VWHP XVLQJ WKH LQIRUPDWLRQ IURP WKH SULQWRXWV RX PDGH HDUOLHU 7XUQ RII WKH FRPSX...

Page 107: ...es 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 5HFRPPHQGHG 7RROV Most of the procedures in this chapter require the use of one or more of the following tools Small flat blade screw...

Page 108: ... WR UHGXFH WKH SRWHQWLDO IRU SHUVRQDO LQMXU OVR GLVFRQQHFW DQ WHOHSKRQH RU WHOHFRPPXQLFDWLRQ OLQHV IURP WKH FRPSXWHU DLW VHFRQGV DIWHU SRZHULQJ GRZQ WKH FRPSXWHU EHIRUH GLVFRQQHFWLQJ D SHULSKHUDO IURP WKH FRPSXWHU RU UHPRYLQJ D FRPSRQHQW IURP WKH FRPSXWHU V V VWHP ERDUG WR DYRLG SRVVLEOH GDPDJH WR WKH V VWHP ERDUG HDU D ZULVW JURXQGLQJ VWUDS DQG FOLS LW WR DQ XQSDLQWHG PHWDO VXU IDFH VXFK DV WKH S...

Page 109: ...the mini tower computer and identifies major components for orientation Refer to this illustration as needed when performing the component removal replacement procedures in this chapter LJXUH QWHUQDO 9LHZ RI WKH 0LQL 7RZHU RPSXWHU power supply system board expansion card cage riser board hard disk drive bracket external drive bays ...

Page 110: ...IURQW EH HO LIW WKH ERWWRP RI WKH FRYHU DOORZLQJ LW WR SLYRW XS WRZDUG RX LVHQJDJH WKH WDEV WKDW VHFXUH WKH FRYHU WR WKH WRS RI WKH FKDVVLV DQG OLIW WKH FRYHU DZD Before you reinstall the cover fold all cables out of the way so that they do not interfere with the cover or with proper airflow inside the computer NOTE After removing and replacing the chassis the chassis intrusion detector alerts you...

Page 111: ...UH URQW H HO 5HPRYDO To remove the front bezel follow these steps 3UHVV WKH WDE UHOHDVH PDUNHG ZLWK WKH LFRQ 7LOW WKH EH HO DZD IURP WKH FKDVVLV LVHQJDJH WKH WZR UHWDLQLQJ KRRNV DW WKH ERWWRP RI WKH EH HO DQG SXOO WKH EH HO DZD IURP WKH FKDVVLV tab release retaining hooks 2 ...

Page 112: ...UIDFH ZLWK WKH EDFN RI WKH EH HO IDFLQJ XS 7R UHPRYH WKH LQFK GLVNHWWH GULYH HMHFW EXWWRQ SXOO JHQWO RQ WKH SODVWLF SDUW RI WKH EXWWRQ XQWLO LW FRPHV IUHH 7R UHPRYH WKH SRZHU EXWWRQ RU WKH UHVHW EXWWRQ XVH D VPDOO VFUHZGULYHU DQG SXVK LQ RQ WKH WZR RU WKUHH SODVWLF FOLSV WKDW KROG WKH EXWWRQ WR WKH EH HO When these clips are released the button comes free from the bezel power button reset button f...

Page 113: ...eps ROG WKH EH HO ZLWK WKH IURQW IDFLQJ RX URP WKH IURQW RI WKH EH HO XVH RXU WKXPEV WR SUHVV LQZDUG RQ WKH LQVHUW XQWLO LW VOLGHV RII WKH WZR SRVWV To replace a 5 25 inch front panel insert position the two ring tabs over the posts on the inside of the bay opening and then press the ring tabs over the posts posts 2 front bezel ring tabs 2 5 25 inch front panel insert ...

Page 114: ...LYH EUDFNHW LVFRQQHFW WKH FRQWURO SDQHO FDEOH IURP WKH 3 1 FRQQHFWRU RQ WKH V VWHP ERDUG VHH LJXUH 5HPRYH WKH PRXQWLQJ VFUHZ KROGLQJ WKH FRQWURO SDQHO WR WKH FKDVVLV 6OLGH WKH FRQWURO SDQHO RXW RI WKH KRRNV KROGLQJ LW WR WKH FKDVVLV 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 115: ... in the following subsections LJXUH ULYH DUGZDUH WHUQDOO FFHVVLEOH ULYH VVHPEOLHV The following subsections contain removal replacement procedures for drives installed in the externally accessible drive bays diskette tape drive interface cable DC power cable DSKT connector hard disk drive bracket primary EIDE interface connector IDE1 secondary EIDE interface connector IDE2 EIDE cable 3 5 inch disk...

Page 116: ...ive assembly follow these steps LVFRQQHFW WKH SRZHU FDEOH DQG WKH LQWHUIDFH FDEOH IURP WKH EDFN RI WKH LQFK GLVNHWWH GULYH 3UHVV WKH UHWDLQLQJ WDE UHOHDVH EXWWRQ DQG SXOO WKH GULYH DVVHP EO IRUZDUG WR UHPRYH LW 5HPRYH WKH GULYH PRXQWLQJ VFUHZ IURP WKH OHIW VLGH RI WKH GULYH DQG UHPRYH WKH GULYH IURP WKH EUDFNHW VHH LJXUH retaining tab release button ...

Page 117: ... ULYH UDFNHW When you replace the 3 5 inch diskette drive be sure that the two hooks on the right side of the bracket engage the mounting holes in the side of the 3 5 inch diskette drive QFK ULYH VVHPEO LJXUH QFK ULYH VVHPEO 5HPRYDO hooks 2 drive mounting screw retaining tabs 2 ...

Page 118: ...HPEO IRUZDUG WR UHPRYH LW 5HPRYH WKH IRXU VFUHZV DWWDFKLQJ WKH LQFK GULYH WR WKH PRXQWLQJ SODWH DQG OLIW WKH GULYH RXW RI WKH PRXQWLQJ SODWH VHH LJXUH LJXUH QFK ULYH 5HPRYDO 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 drive mounting...

Page 119: ...W WR WKH GULYH FDJH LQ WKH FKDVVLV UDVS WKH EUDFNHW DQG URWDWH LW RXWZDUG IURP WKH FKDVVLV XQWLO WKH VOLGLQJ WDE FOHDUV WKH VOLGH UDLO RQ WKH GULYH FDJH LIW XS WKH KDUG GLVN GULYH EUDFNHW VOLJKWO WR IUHH WKH KLQJH WDEV DQG UHPRYH LW IURP WKH FRPSXWHU When you reinstall the hard disk drive bracket insert the bracket s hinge tabs into the chassis slot so that the tabs hook over the slot Then rotate ...

Page 120: ...UG GLVN GULYH WR WKH KDUG GLVN GULYH EUDFNHW 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 6OLGH WKH GULYH RXW RI WKH KDUG GLVN GULYH EUDFNHW hard disk drive hard disk drive bracket drive mounting screws for bottom mounted drive 4 sliding tab drive mounting...

Page 121: ...ng tab to release the power supply LVFRQQHFW WKH SRZHU FDEOHV IURP WKH V VWHP ERDUG DQG WKH GULYHV DFLQJ WKH OHIW VLGH RI WKH FRPSXWHU PRYH WKH IURQW HQG RI WKH V V WHP SRZHU VXSSO WRZDUG RX DQG OLIW LW XS WR GLVHQJDJH WKH SRZHU VXSSO IURP WKH VORW LQ WKH FKDVVLV LIW WKH V VWHP SRZHU VXSSO IURP WKH FRPSXWHU When you reinstall the system power supply place the power supply detent link over the pin ...

Page 122: ... external cables attached to them SDQVLRQ DUG DJH LJXUH SDQVLRQ DUG DJH 5HPRYDO To remove the expansion card cage follow these steps 5RWDWH WKH OHYHU WRZDUG WKH EDFN RI WKH FRPSXWHU XQWLO LW VWRSV LQ WKH XSULJKW SRVLWLRQ 6OLGH WKH H SDQVLRQ FDUG FDJH RXW RI WKH FRPSXWHU To replace the expansion card cage align the tabs on the left and right sides of the expansion card cage with the slots on the ba...

Page 123: ...VFRQQHFW DQ FDEOHV IURP WKH H SDQVLRQ FDUG EHLQJ UHPRYHG 5HPRYH WKH H SDQVLRQ FDUG FDJH 5HPRYH WKH UHWDLQLQJ VFUHZ IURP WKH FDUG PRXQWLQJ EUDFNHW UDVS WKH H SDQVLRQ FDUG E LWV FRUQHUV DQG FDUHIXOO UHPRYH LW IURP WKH H SDQVLRQ FDUG FRQQHFWRU expansion card card slot opening card mounting bracket retaining screw expansion card connector riser board ...

Page 124: ...VLRQ FDUG FDJH DQG DOO H SDQVLRQ FDUGV 3ODFH WKH H SDQVLRQ FDUG FDJH RQ D IODW ZRUN VXUIDFH ZLWK WKH ULVHU ERDUG IDFLQJ XS 5HPRYH WKH ULVHU ERDUG PRXQWLQJ VFUHZV 6OLGH WKH ULVHU ERDUG DZD IURP WKH UHOHDVH KDQGOH XQWLO LW VWRSV WKHQ OLIW WKH ULVHU ERDUG DZD IURP WKH H SDQVLRQ FDUG FDJH riser board riser board mounting screws 2 expansion card cage slots 2 ...

Page 125: ...QRW WZLVW WKH V VWHP ERDUG NOTES If you are replacing the system board remove all DIMMs the video memory upgrade module if present the single edge contact SEC cartridge heat sink assembly and the guide bracket assembly from the old system board and install them on the replacement board Also set the jumpers on the new system board so that they are identical to those on the old board unless a microp...

Page 126: ...t 2 connector SERIAL2 USB connectors 2 USB parallel serial port 1 connectors stacked PARALLEL SERIAL1 keyboard mouse connectors stacked KYBD MOUSE video memory upgrade socket VIDEO_UPGRADE control panel connector PANEL battery socket BATTERY optional integrated NIC connector ENET riser board connector RISER system board jumpers primary EIDE interface connector IDE1 secondary EIDE interface connect...

Page 127: ...SXVK RXWZDUG RQ WKH 00 VRFNHW V VHFXULQJ FOLSV XQWLO WKH 00 LV UHOHDVHG IURP LWV VRFNHW LJXUH 00 5HPRYDO LIW WKH 00 DZD IURP WKH VRFNHW 5HLQVWDOO WKH UHSODFHPHQW 00 E SUHVVLQJ WKH 00 IXOO LQWR WKH VRFNHW DQG WKHQ FORVLQJ WKH VHFXULQJ FOLSV WR ORFN WKH 00 LQWR WKH VRFNHW LJXUH 00 QVWDOODWLRQ 5HSODFH DOO DVVHPEOLHV DQG FDEOHV SUHYLRXVO UHPRYHG 2 1 securing clips 2 securing clips 2 2 1 ...

Page 128: ... LW LQWR WKH VRFNHW 2ULHQW WKH YLGHR PHPRU XSJUDGH PRGXOH DV VKRZQ LQ LJXUH 7KHQ FDUHIXOO DOLJQ WKH PRGXOH V HGJH FRQQHFWRU SLQV ZLWK WKH VRFNHW HQVXULQJ WKDW WKH VORW LQ WKH PRGXOH PDWHV ZLWK WKH VRFNHW NH 3UHVV WKH YLGHR PHPRU XSJUDGH PRGXOH ILUPO LQWR WKH VRFNHW DQG SLYRW WKH PRGXOH GRZQZDUG XQWLO LW FOLFNV LQWR SODFH If you do not hear a sharp click when installing the video memory upgrade mod...

Page 129: ...ke advantage of future options in processor speed and functionality you can replace the microprocessor on your system board with any Dell supported microprocessor upgrade The microprocessor upgrade kit is shipped with an SEC cartridge heat sink assembly which includes the microprocessor micro processor heat sink and L2 cache memory module You may also have to reseat or replace an SEC cartridge hea...

Page 130: ...RFDWHG GLUHFWO RQ WRS RI WKH 6 FDUWULGJH DGMDFHQW WR WKH KHDW VLQN DVVHPEO XQWLO WKH ODWFKHV FOLFN LIW WKH 6 FDUWULGJH KHDW VLQN DVVHPEO RXW RI LWV JXLGH EUDFNHW DVVHPEO FRQQHFWRU RQ WKH V VWHP ERDUG NOTE When installing the SEC cartridge heat sink assembly carefully orient the assembly and press firmly with up to 25 pounds of force to mate the SEC cartridge with its connector Then slide the SEC c...

Page 131: ...DV WLF VFUHZGULYHU QVHUW WKH EDWWHU LQWR WKH VRFNHW ZLWK WKH SRVLWLYH VLGH ODEHOHG µ IDFLQJ XSZDUGV LQWR LWV VRFNHW DQG VQDS LW LQWR SODFH 5HSODFH WKH H SDQVLRQ FDUG FDJH UHFRQQHFW DOO FDEOLQJ UHSODFH WKH FRPSXWHU FRYHU DQG UHERRW WKH V VWHP QWHU WKH 6 VWHP 6HWXS SURJUDP DQG FRQILJXUH WKH V VWHP XVLQJ WKH LQIRUPDWLRQ IURP WKH SULQWRXWV RX PDGH HDUOLHU 7XUQ RII WKH FRPSXWHU ZDLW RU PRUH PLQXWHV DQG...

Page 132: ...6 26 Dell OptiPlex G1 Managed PC Systems Service Manual ...

Page 133: ...M on the system board To enter the System Setup program follow these steps 7XUQ RQ RU UHERRW WKH V VWHP 3UHVV ZKHQ WKH SURPSW DSSHDUV LQ WKH XSSHU ULJKW FRUQHU RI WKH HOO ORJR VFUHHQ If you wait too long and the operating system begins to load into memory let the system complete the load operation then shut down the system and try again NOTE To ensure an orderly system shutdown consult the documen...

Page 134: ...U 6HFRQGDU ULYH 1RW QVWDOOHG DUG LVN ULYH 6HTXHQFH 17 5 RRW 6HTXHQFH 17 5 6 VWHP 0HPRU 0 6 5 0 9LGHR 0HPRU 0 6 5 0 5HVHUYHG 0HPRU 1RQH 5HVHUYHG 38 6SHHG 0 QWHJUDWHG HYLFHV 17 5 6 VWHP 6HFXULW 17 5 H ERDUG 1XP RFN 2Q 5HSRUW H ERDUG UURUV 5HSRUW XWR 3RZHU 2Q LVDEOHG DNHXS 2Q 1 2II 3RZHU 0DQDJHPHQW LVDEOHG VVHW 7DJ 66 7 7 HOO RPSXWHU RUSRUDWLRQ ZZZ GHOO FRP 2SWL3OH title box configuration options 26 ...

Page 135: ...appropriate Drive option Drive 0 or Drive 1 press Enter and then type u to display 8VHU Press Tab to highlight each of the parameter fields in succession and enter the appropriate number for each field NOTE For EIDE devices such as EIDE CD ROM drives and EIDE tape drives that are using the built in EIDE controller set the appropriate Drive option to Auto Hard Disk Drive Sequence Lists installed ad...

Page 136: ... You must reboot your system before a change takes effect NOTE A Wakeup On LAN capable NIC must be installed to use this functionality Power Management With the Power Management option enabled DPMS monitors and most EIDE drives automatically switch into low power mode during periods of system inactivity 87 21 HIRUH HQDEOLQJ WKLV IHDWXUH FKHFN WKH PRQLWRU GRFXPHQWDWLRQ WR PDNH VXUH WKDW WKH V VWHP ...

Page 137: ...5 23 mini tower computer 6 24 beep codes 3 1 BIOS flash ROM 1 3 boot routine observing while troubleshooting 2 3 bracket hard disk drive removal midsize computer 5 12 mini tower computer 6 13 cabling network requirements 1 5 verification 2 2 CD ROM drives removal low profile computer 4 11 removal midsize computer 5 11 removal mini tower computer 6 11 chassis configurations 1 1 differences 1 2 intr...

Page 138: ...icators diskette drive access indicator 1 7 front panel views 1 7 hard disk drive access indicator 1 7 NIC activity indicator 1 5 NIC link integrity indicator 1 5 power button 1 7 power indicator 1 7 reset button 1 7 cover removal low profile computer 4 5 midsize computer 5 5 mini tower computer 6 4 DC power cables low profile computer 1 23 cables midsize and mini tower computers 1 25 connector pi...

Page 139: ... 6 14 location low profile computer 4 9 location midsize computer 5 9 location mini tower computer 6 9 tape drive removal low profile computer 4 11 tape drive removal midsize computer 5 11 tape drive removal mini tower computer 6 11 EIDE subsystem 1 3 eject button removal low profile computer 4 6 midsize computer 5 6 mini tower computer 6 6 error messages 3 3 Ethernet NIC subsystem 1 5 expansion f...

Page 140: ...uter 1 12 midsize computer 1 12 mini tower computer 1 13 jumpers 1 17 key to enter System Setup program A 1 0 main memory 1 3 1 14 memory subsystem expansion using DIMMs 1 14 flash ROM 1 3 main memory 1 3 secondary L2 cache 1 3 1 14 video memory 1 4 1 15 messages error 3 3 microprocessor about 1 2 removal low profile computer 4 21 removal midsize computer 5 22 removal mini tower computer 6 23 1 ne...

Page 141: ...2 5 remote management features 1 15 reset button removal low profile computer 4 6 midsize computer 5 6 mini tower computer 6 6 resource conflicts eliminating 2 5 riser board removal low profile computer 4 16 midsize computer 5 17 mini tower computer 6 18 6 SEC cartridge heat sink assembly about 1 14 removal low profile computer 4 21 removal midsize computer 5 22 removal mini tower computer 6 23 se...

Page 142: ...5 1 mini tower computer 6 1 troubleshooting beep codes 3 1 boot routine 2 3 diagnostics 2 6 error messages 3 3 external visual inspection 2 2 initial procedures 2 1 internal visual inspection 2 4 resource conflicts 2 5 service related information 1 15 8 upgrade options 1 14 9 video memory controller 1 4 upgrade module installation low profile computer 4 19 upgrade module installation midsize compu...

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