Dell OPTI PLEX GX1 Service Manual Download

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System Overview

1-33

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Figures 1-27 and 1-28 provide the following information about DC power
distribution:

Power-supply connector identification

Power cable connection for the hard-disk drive

Power distribution to sockets and connectors on the system board

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+3.3 VDC (blue/white)

common (black)

+3.3 VDC (blue/white)

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+5 VDC (red)

common (black)

+12 VDC (yellow)

Summary of Contents for OPTI PLEX GX1

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

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

Page 3: ...terface 1 6 Chassis Intrusion Detection 1 6 Integrated Ethernet NIC Support Optional 1 7 Network Cable Requirements 1 7 Full Set of I O Ports 1 7 Power Supply 1 8 Location of Major Components 1 8 Advanced Expansion Features 1 13 OptiPlex NX1 Computer s Expansion Card Slot 1 14 Low Profile Computer s Expansion Card Slots 1 14 Midsize Computer s Expansion Card Slots 1 14 Mini Tower Computer s Expans...

Page 4: ...e DC Power Connectors 1 32 DC Power Distribution for the OptiPlex NX1 Computer 1 33 Technical Specifications 1 35 KDSWHU DVLF 7URXEOHVKRRWLQJ 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 5 Server Based Diagnostics 2 6 Hard Disk Based Diagnostics OptiPlex NX1 ...

Page 5: ... Board 4 16 System Board Components 4 17 DIMMs 4 17 Video Memory 4 18 Microprocessor 4 19 SEC Cartridge Heat Sink Assembly 4 19 System Battery 4 20 KDSWHU 5HPRYLQJ DQG 5HSODFLQJ 3DUWV RQ WKH 0LGVL H KDVVLV Recommended Tools 5 1 Precautionary Measures 5 1 Inside the Computer 5 2 Optional Stand 5 4 Computer Cover 5 5 Eject Power and Reset Buttons 5 6 Front Panel Inserts 5 7 Control Panel 5 8 Drives ...

Page 6: ...he Computer 6 2 Computer Cover 6 4 Front Bezel 6 5 Eject Power and Reset Buttons 6 6 Front Panel Inserts 6 7 Control Panel 6 9 Drives 6 10 Externally Accessible Drive Assemblies 6 10 3 5 Inch Diskette Drive Assembly 6 11 5 25 Inch Drive Assembly 6 12 Hard Disk Drive Bracket 6 14 Hard Disk Drive 6 15 System Power Supply 6 16 Expansion Cards 6 17 Expansion Card Cage 6 17 Expansion Card 6 18 Riser Bo...

Page 7: ... LJXUHV Figure 1 1 Chassis Configurations 1 2 Figure 1 2 Front Panel Features 1 9 Figure 1 3 Internal View of the Low Profile Chassis 1 10 Figure 1 4 Internal View of the Midsize Chassis 1 11 Figure 1 5 Internal View of the Mini Tower Chassis 1 12 Figure 1 6 Internal View of the OptiPlex NX1 Chassis 1 13 Figure 1 7 Riser Board for the OptiPlex NX1 Computer 1 14 Figure 1 8 Riser Board for the Low P...

Page 8: ...r Cables for the OptiPlex NX1 Computer 1 33 Figure 1 28 DC Power Distribution for the OptiPlex NX1 Computer 1 34 Figure 2 1 Connecting an External Diskette Drive to the OptiPlex NX1 Computer 2 9 Figure 4 1 Internal View of the Low Profile Computer 4 3 Figure 4 2 Computer Cover Removal 4 4 Figure 4 3 Eject Power and Reset Button Removal 4 5 Figure 4 4 Front Panel Insert Removal 4 6 Figure 4 5 Contr...

Page 9: ...gure 5 21 SEC Cartridge Heat Sink Removal 5 21 Figure 5 22 System Battery Installation 5 22 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 3 5 Inch Front Panel Insert Removal 6 8 Figure 6 7 Control Panel...

Page 10: ...re 7 10 Riser Board Removal 7 11 Figure 7 11 System Board Removal 7 12 Figure 7 12 DIMM Removal 7 13 Figure 7 13 DIMM Installation 7 13 Figure 7 14 Installing a Video Memory Upgrade Module 7 14 Figure 7 15 SEC Cartridge Heat Sink Removal 7 15 Figure 7 16 System Battery Installation 7 16 Figure A 1 System Setup Screens A 2 Figure A 2 Sample Device List Screen A 7 7DEOHV Table 1 1 System Board Jumpe...

Page 11: ...xiii ...

Page 12: ...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 13: ... 450 MHz processors The OptiPlex GX1 GX1p and NX1 systems use a standard system board with optional integrated NIC controller with Wakeup On LAN capability The OptiPlex GX1 systems are available in three different chassis configura tions low profile desktop midsize desktop and mini tower see Figure 1 1 The OptiPlex GX1p is available only in the midsize desktop and mini tower chassis The OptiPlex N...

Page 14: ...umber of available internal drive bays for EIDE SCSI drives Number of available external drive bays for diskette CD ROM or tape drives Physical size and power supply types the midsize and mini tower systems use the same power supply Due to the physical differences in the four chassis configurations a separate parts removal and replacement chapter Chapters 4 through 7 is provided for each chassis t...

Page 15: ... Some of the major enhancement features of the Pentium II microprocessor include internal 16 KB data and instruction caches internal math coprocessor and the MMX instruction set for high performance in complex multimedia and communications environments The Pentium II microprocessor also uses a technique called single instruction multiple data SIMD which permits processing data elements in parallel...

Page 16: ...erfaces 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 EIDE interface The secondary EIDE interface IDE2 also provides support for up...

Page 17: ...6XEV VWHP The OptiPlex GX1 GX1p and OptiPlex NX1 systems include an integrated high performance 64 bit accelerated graphics port AGP subsystem imple mented on the system board which drives an external SVGA monitor The AGP contains a dedicated bus that bypasses the PCI bus and allows for inter connection of the video subsystem directly to the Pentium chip set for the extra high performance required...

Page 18: ...ter card s documentation for more information 7HOHSKRQ SSOLFDWLRQ 3URJUDPPLQJ QWHUIDFH The OptiPlex GX1 GX1p and OptiPlex NX1 systems include a telephony appli cation programming interface TAPI that allows the system board audio to interface with a modem to facilitate speakerphone functionality The TAPI compliant telephony input is a mono source with a maximum signal level of 2 Vrms KDVVLV QWUXVLR...

Page 19: ...e network and the NIC When the green indicator is off the system is not detecting a physical connection to the network 1HWZRUN DEOH 5HTXLUHPHQWV The computer s NIC connector RJ45 is designed for attaching to an unshielded twisted pair UTP Ethernet cable The other end of the cable con nects to an RJ45 jack wall plate or to an RJ45 port on a UTP concentrator or hub depending on the network configura...

Page 20: ...d in the midsize and mini tower chassis configurations is a higher capacity power supply than that used in the low profile and OptiPlex NX1 chassis configurations Dell OptiPlex GX1 GX1p and OptiPlex NX1 systems have a special power sup ply that provides trickle flea power to support the Wakeup On LAN feature when computer power is off RFDWLRQ RI 0DMRU RPSRQHQWV Figure 1 2 shows the front panel fea...

Page 21: ... 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 OptiPlex NX1 Chassis hard disk drive access indicator power button power indicator Midsize Chassis Low Profile Chassis diskette drive access indicator ...

Page 22: ...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 audio connectors 3 parallel port connector NIC connector optional mouse connector padlock ring security cable slot chassis intrusion switch ...

Page 23: ...le 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 audio connectors 3 video connector serial port 2 connector security cable slot padlock ring chassis intrusion switch ...

Page 24: ...ot serial port 2 connector AC power receptacle parallel port connector USB connectors 2 mouse connector keyboard connector serial port 1 connector video connector audio connectors 3 padlock ring system board expansion card cage riser board hard disk drive bracket external drive bays interface cable NIC connector optional chassis intrusion switch ...

Page 25: ... ICU and provides instructions for using it to configure the computer In the Microsoft Windows 98 operating system the functions provided by the ICU are handled by the Device Manager which can be accessed by double clicking the System icon in the Control Panel See your Windows 98 documentation for instructions on using the Device Manager to manage resources and resolve conflicts serial port 1 conn...

Page 26: ...tor share a single expansion card slot resulting in a total of three expansion card slots see Figure 1 8 The low profile computers have a passive riser board with no PCI to PCI bridge The riser board includes the P1 connector for connecting the NIC to the riser board cable and an LED see Figure 1 8 If the LED is on the riser board is receiving power if off the riser board is not receiving power LJ...

Page 27: ...0 Both riser board options include the P1 connector for connecting the NIC to the riser board cable and an LED If the LED is on the riser board is receiving power if off the riser board is not receiving power LJXUH 5LVHU RDUG IRU WKH 0LGVL H RPSXWHU 2SWLRQ LJXUH 5LVHU RDUG IRU WKH 0LGVL H RPSXWHU 2SWLRQ HDLED connector ISA3 connector ISA2 connector ISA1 connector PCI3 connector PCI2 connector PCI1...

Page 28: ...if off the riser board is not receiving power LJXUH 5LVHU RDUG IRU WKH 0LQL 7RZHU RPSXWHU 8SJUDGH 2SWLRQV The system board has various accommodations for system upgrades including Microprocessor upgrade Main memory expansion Video memory expansion These upgrades are summarized in the following subsections and installation procedures are provided for the various chassis configurations in Chapters 4...

Page 29: ...rmance and provides additional modes for high resolution expanded color applications The OptiPlex GX1p system comes with 8 MB standard NOTE See the online System User s Guide or Chapter 6 Installing System Board Options in the Reference and Installation Guide for additional upgrade information RPSXWHU 6HUYLFH QIRUPDWLRQ The following subsections provide service related information about the com pu...

Page 30: ...1 Older versions of the OptiPlex GX1 and OtiPlex NX1 systems use the system board shown in Figure 1 13 LJXUH 6 VWHP RDUG RPSRQHQWV 1HZ SEC cartridge connector SLOT1 microprocessor fan connector FAN microphone jack MIC video connector MONITOR serial port 2 connector SERIAL2 USB connectors USB 2 parallel serial port 1 connectors stacked PARALLEL SERIAL1 mouse keyboard connectors stacked MOUSE KYBD a...

Page 31: ... input connector POWER_1 DIMM sockets 3 DIMM_A DIMM_C front of computer ATI multimedia connector AMC video memory upgrade socket VIDEO_UPGRADE line in jack LINE IN microphone jack MIC optional NIC connector ENET video connector MONITOR microprocessor fan connector FAN serial port 2 connector SERIAL2 USB connectors 2 USB parallel serial port 1 connectors stacked PARALLEL SERIAL1 line outjack LINE O...

Page 32: ...stall jumper if the microprocessor s internal speed is 500 MHz otherwise the jumper should not be installed 450MHZ Microprocessor speed Install jumper if the microprocessor s internal speed is 450 MHz otherwise the jumper should not be installed 400MHZ Microprocessor speed Install jumper if the microprocessor s internal speed is 400 MHz otherwise the jumper should not be installed One set of speed...

Page 33: ...sable 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...

Page 34: ... to primary EIDE port to indicate that device requires service If the EIDE controller is disabled this line is available for other use IRQ15 Generated by device connected to secondary EIDE port to indicate 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 a...

Page 35: ...e hard disk drive bracket DUG LVN ULYH IRU WKH 0LGVL H RPSXWHU The hard disk drive bracket is located next to 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 or SCSI hard disk drives or one 1 inch high EIDE or SCSI hard disk drive and one 1 6 inch high EIDE or SCSI hard disk drive left side front back left...

Page 36: ...VHOHFWLRQ VZLWFK ORFDWHG RQ WKH EDFN RI WKH SRZHU VXSSO DVVHPEO PXVW EH VHW WR WKH FRUUHFW RSHUDWLQJ YROWDJH RU 9 EHIRUH RX SOXJ WKH SRZHU FDEOH LQWR DQ HOHFWULFDO RXWOHW The system power supply provides the DC operating voltages and currents listed in Table 1 4 NOTE The power supply produces DC voltages only under its loaded condi tion Therefore when you measure these voltages the DC power input ...

Page 37: ...s on and operating to indicate that all power supply output voltages are within ranges specified in Table 1 4 LJXUH 3RZHU RQQHFWRU 3 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 3 VFP volts flea power sometimes called standby power ...

Page 38: ...ide the following information about DC power distribution Power supply connector identification Power cable connections for diskette tape CD ROM and hard disk drives Power distribution to sockets and connectors on the system board 1 2 3 4 5 VDC red common black common black 12 VDC yellow 1 2 3 4 5 VDC red common black common black 12 VDC yellow P2 P3 P5 P6 P9 P4 1 2 3 4 3 3 VDC blue white common b...

Page 39: ...System Overview 1 27 LJXUH 3RZHU DEOHV IRU WKH RZ 3URILOH RPSXWHU P5 P4 P3 P2 P1 ...

Page 40: ... 9 9 9 9 9 3 9 3 5 22 3 32 5 3621 9 3 9 9 9 3621 9 3 9 9 9 9 3 9 9 9 9 9 9 LQFK GLVNHWWH GULYH V VWHP SRZHU VXSSO EDWWHU 9 9 6 6 3 3 0 52352 6625 3 1 0286 00B 00B 00B PDLQ PHPRU VRFNHWV 3 1 5 6 5 RSWLRQDO GULYH 3 ULVHU ERDUG V VWHP ERDUG LQWHUQDO KDUG GLVN GULYH 32 5 SURFHVVRU FRUH UHJXODWRU 9 86 9 3 127 9 3 LV URXWHG WR WKH LQWHJUDWHG 1 ORJLF RQ WKH V VWHP ERDUG DQG WR 3 RQ WKH ULVHU ERDUG ...

Page 41: ...System Overview 1 29 LJXUH 3RZHU DEOHV IRU WKH 0LGVL H DQG 0LQL 7RZHU RPSXWHUV P7 P9 P5 P4 P3 P2 P1 P6 ...

Page 42: ...oard controller 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 DIMM_B 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...

Page 43: ...ard and hard disk drive 12 VDC power management and NIC logic P7 3 3 VDC POWER1 system power supply RTC NVRAM 3 3 VDC 5 VDC 5 VDC 5 VDC 5 VDC 5 VFP 12 VDC 12 VDC 5 VDC 5 VDC 12 VDC 12 VDC 5 VDC 5 VDC PSON 5 VFP 5 VDC 5 VDC 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 PCI...

Page 44: ...e that all power supply output voltages are within the ranges specified in Table 1 5 LJXUH 3RZHU RQQHFWRU 3 IRU WKH 2SWL3OH 1 RPSXWHU 7DEOH 2SWL3OH 1 9ROWDJH 5DQJHV 9ROWDJH 5DQJH 0D LPXP 2XWSXW XUUHQW1 3 3 VDC 3 14 to 3 47 VDC 6 0 A1 5 VDC 4 75 to 5 25 VDC 12 0 A1 12 VDC 11 40 to 12 60 VDC 1 0 A2 12 VDC 10 80 to 13 20 VDC 0 5 A 5 VFP3 4 75 to 5 25 VDC 1 2 A 1 The combined load on the 5 VDC and 3 3...

Page 45: ...ormation about DC power distribution Power supply connector identification Power cable connection for the hard disk drive Power distribution to sockets and connectors on the system board LJXUH 3RZHU DEOHV IRU WKH 2SWL3OH 1 RPSXWHU 1 2 3 4 3 3 VDC blue white common black common black 5 P2 6 3 3 VDC blue white 3 3 VDC blue white common black 1 2 3 4 5 VDC red common black common black 12 VDC yellow ...

Page 46: ...2 VDC 3 VDC P2 3 3 VDC PWRGOOD P1 POWER_1 PSON 5 VFP 5 VDC 12 VDC 12 VDC PSON 5 VFP 5 VDC 12 VDC 12 VDC P3 12 VDC 12 VDC 12 VDC system power supply battery 3 3 VDC 5 VDC PCI1 MICROPROCESSOR PANEL KYBD MOUSE DIMM_A main memory sockets FAN RISER riser board system board POWER_2 processor core regulator 5 VDC USB internal hard disk drive P1 NOTE 5 VFP is routed to the integrated NIC logic on the syst...

Page 47: ...chip set Intel 440BX AGPSet chip set Data bus width 64 bits Address bus width 32 bits DMA channels seven 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 connector share an expansion card slot Midsize computer...

Page 48: ...Mbps optional on GX1 and NX1 0HPRU Architecture 64 bit nonparity or 72 bit parity non interleaved on GX1 and NX1 72 bit parity noninterleaved on GX1p DIMM sockets three gold contacts DIMM capacities 32 MB nonparity SDRAM 32 64 and 128 MB parity SDRAM Standard RAM 32 MB GX1 and NX1 or 128 MB GX1p Maximum RAM 384 MB L2 cache memory 512 MB pipeline burst four way set associative write back SRAM BIOS ...

Page 49: ...IDE or SCSI hard disk drives or one 1 inch high EIDE or SCSI hard disk drive and one 1 6 inch high EIDE or SCSI hard disk drive OptiPlex NX1 computers one bay for a 1 inch high EIDE hard disk drive 9LGHR Video type integrated ATI RAGE PRO TURBO graphics Video memory 4 MB SGRAM upgradable to 8 MB on the GX1 and NX1 8 MB standard on the GX1p Video resolutions 640 x 480 32 bpp True color 85 Hz minimu...

Page 50: ...ximum mono Audio line out 1 4 V rms maximum stereo at 32 ohms minimum impedance Internally accessible EIDE hard disk drive two 40 pin connectors on PCI local bus Diskette drive 34 pin connector CD ROM drive audio interface 4 pin connector ATI Multimedia Channel AMC 40 pin connector CD in 4 pin connector H RPELQDWLRQV Ctrl Alt Del restarts reboots the system F2 starts System Setup program during th...

Page 51: ...en 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 200 W OptiPlex NX1 computers 80 W Power supply heat dissipation Low profile computers 808 BTU nominal Midsize computers 913 BTU nominal Mini tower computers 913 BTU nominal OptiPlex NX1 computers 400 BTU nominal Power supply voltage ...

Page 52: ...epth 43 7 cm 17 2 inches Weight minimum 14 9 kg 33 0 lb OptiPlex NX1 computers Height 9 27 cm 3 65 inches Width 33 71 cm 13 27 inches Depth 34 93 cm 13 75 inches Weight 5 9 kg 13 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...

Page 53: ...e 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 temperature is reduced 7DEOH 7HFKQLFDO 6SHFLILFDWLRQV FR...

Page 54: ...1 42 HOO 2SWL3OH S 0DQDJHG 3 DQG 2SWL3OH 1 1HW 3 6 VWHPV 6HUYLFH 0DQXDO ...

Page 55: ...rred A verbal 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 1 Ask the user to back up any data on the hard disk drive if the system s con dition 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...

Page 56: ... ensure a firm connection 4 Verify that any devices attached to the serial and parallel port connectors are properly connected 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 that secure these connectors at each end of the interface cable must...

Page 57: ...s and the computer If the computer is already on press the reset button or Ctrl Alt Del to reboot the system 2 Check the power supply fan Does the fan run normally Yes Proceed to step 3 No Troubleshoot the system power supply 3 Watch the Num Lock Caps Lock and Scroll Lock indicators on the upper right corner of the keyboard After all three indicators flash momentarily the Num Lock indicator should...

Page 58: ...HG DOO RSHQ ILOHV DQG H LWHG DOO RSHQ DSSOLFDWLRQV LI SRVVLEOH A simple visual inspection of a computer s interior hardware can often lead to the source of a problem such as a loose expansion card cable connector or mounting screw When you perform the visual inspection refer to Figures 1 3 through 1 6 as appropriate for your system for component location information To perform the internal visual ...

Page 59: ... to be resolved Yes No further steps are necessary Terminate the procedure No Proceed to the next sections Eliminating Resource Conflicts Running the System Diagnostics and Getting Help OLPLQDWLQJ 5HVRXUFH RQIOLFWV Devices within the computer may require dedicated memory spaces interrupt levels or DMA channels all of which must be allocated during installation of the devices Because a device may b...

Page 60: ...ressing the spacebar the mes sage disappears and the load operation continues Let the system complete the load operation then shut down the system and try again 4 Type f immediately after you see a menu to enter the firmware update services If you wait more than 3 seconds before making a selection the system automatically enters the software services 5 Enter a user name and password at the logon p...

Page 61: ...ontroller chip Disk 0 Tests Check the hard disk drive controller and the storage capabil ity of the hard disk drive For a complete description of the server based diagnostics see Server Based Diagnostics in the online Network Administrator s Guide DUG LVN DVHG LDJQRVWLFV 2SWL3OH 1 6 VWHPV 2QO The hard disk based diagnostics contains tests that aid in troubleshooting all major components of the sys...

Page 62: ...later in this chapter The hard disk based diagnostics consists of the following test groups RAM Tests Check all the directly addressable RAM System Set Tests Check the computer s system board components and verify their related functions Video Tests Verify proper operation of the video controller and the video control circuitry Keyboard Tests Verify the correct operation of the keyboard and the ke...

Page 63: ...RQQHFWLQJ DQ WHUQDO LVNHWWH ULYH WR WKH 2SWL3OH 1 RPSXWHU To install the external diskette drive follow these steps 1 Turn off the computer including any attached peripherals and disconnect all the AC power cables from their power sources 2 Disconnect power input connector P3 from the back of the hard disk drive 3 Connect the interface cable to the back of the external diskette drive see Figure 2 ...

Page 64: ... 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 Specific Tests Tests a particular area or subsystem If the Diagnostics Menu does not appear check the diskette drive connec tions insert a copy of the diagnostics diskette into the diskette drive and ...

Page 65: ...r 2 3267 HHS RGHV 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 conditi...

Page 66: ...ulty or 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 fai...

Page 67: ...croprocessor 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 d...

Page 68: ...inter face cable or 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 im...

Page 69: ...ouse controller 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 70: ... system board malfunctioning Defective 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 try...

Page 71: ...RW VHW Time or Date setting in System Setup program incorrect or system bat tery bad Incorrect Time or Date settings or defective system 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 keyboar...

Page 72: ...3 8 HOO 2SWL3OH S 0DQDJHG 3 DQG 2SWL3OH 1 1HW 3 6 VWHPV 6HUYLFH 0DQXDO ...

Page 73: ...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 screwdriver Wide flat blade screwdriver 1 and 2 Phillips screwdrivers 1 4 inch nutdriver Twe...

Page 74: ...r or removing a component from the computer s system board to avoid possible dam age to the system board HDU D ZULVW JURXQGLQJ VWUDS DQG FOLS LW WR DQ XQSDLQWHG PHWDO VXU IDFH VXFK DV WKH SDGORFN ORRS RQ WKH EDFN RI WKH FKDVVLV I D ZULVW JURXQGLQJ VWUDS LV QRW DYDLODEOH SHULRGLFDOO WRXFK DQ XQSDLQWHG PHWDO VXUIDFH RQ WKH EDFN RI WKH FRPSXWHU WR GLVFKDUJH DQ VWDWLF FKDUJH IURP RXU ERG YRLG WRXFKLQJ...

Page 75: ...Low Profile Chassis 4 3 LJXUH QWHUQDO 9LHZ RI WKH RZ 3URILOH RPSXWHU power supply diskette drive expansion card cage internal hard disk drive system board CD ROM drive in external bay drive cage for external drive chassis intrusion switch ...

Page 76: ...stalled 3 Press in on the two securing buttons until the cover is free to swing up 4 Raise the back of the cover and pivot it toward the front of the computer 5 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...

Page 77: ...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 screwdriver 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 button reset button eject but...

Page 78: ...ront 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 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 cove...

Page 79: ... cable from the PANEL connector on the sys tem board 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 control panel behind the mounting tab control panel cable control panel mounting screw mounting tab chassis ...

Page 80: ...ng subsections LJXUH ULYH DUGZDUH WHUQDOO FFHVVLEOH ULYH VVHPEOLHV The following subsections contain removal replacement procedures for drives installed in the externally accessible drive bays 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...

Page 81: ...ch diskette drive assembly latches to the left 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 that the mounting holes on the right side of the drive engage the two hooks on the bra...

Page 82: ... 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 bracket Chec...

Page 83: ...rd disk drive bracket to the chassis 3 Pivot the hard disk drive assembly up and 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 that the tabs on the back of the mounting plate fully engage the notches on the chassis before you rotate the assembly into...

Page 84: ... 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 right side of the power supply 51 1 7KH YROWDJH VHOHFWLRQ VZLWFK ORFDWHG RQ WKH EDFN RI WKH S...

Page 85: ...e 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 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 I...

Page 86: ...onnect 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 87: ...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 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 slo...

Page 88: ...g 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 microprocessor upgrade is being installed If the original ...

Page 89: ...ve the system power supply 2 Locate the three DIMM sockets 3 To remove a DIMM push outward on the DIMM socket s securing clips until the DIMM is released from its socket LJXUH 00 5HPRYDO 4 Lift the DIMM away from the socket 5 Reinstall the replacement DIMM by pressing the DIMM fully into the socket while closing the securing clips to lock the DIMM into the socket LJXUH 00 QVWDOODWLRQ 6 Replace all...

Page 90: ...NHW 2 Orient the video memory upgrade module as shown in Figure 4 17 Then carefully align the module s edge connector pins with the socket ensuring that the slot in the module mates with the socket key 3 Press the video memory upgrade module firmly into the socket and pivot the module downward until the module clicks into place NOTE If you do not hear a sharp click when installing the video memory...

Page 91: ...o take 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...

Page 92: ...the SEC cartridge release latches located directly on top of the SEC cartridge adjacent to the heat sink assembly until the latches click 6 Lift the SEC cartridge heat sink assembly out of its guide bracket assembly connector on the system board NOTE When installing the SEC cartridge heat sink assembly press outward on the SEC cartridge release latches and then carefully orient the assembly and pr...

Page 93: ...or with a blunt nonconducting object such as a plastic screwdriver 6 Insert the battery into the socket with the positive side labeled facing upwards and snap it into place 7 Replace the expansion card cage replace the computer cover reconnect all cabling and reboot the system 8 Enter the System Setup program and configure the system using the infor mation from the printouts you made earlier 9 Tur...

Page 94: ...4 22 HOO 2SWL3OH S 0DQDJHG 3 DQG 2SWL3OH 1 1HW 3 6 VWHPV 6HUYLFH 0DQXDO ...

Page 95: ...his 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 screwdriver Wide flat blade screwdriver 1 and 2 Phillips screwdrivers 1 4 inch nutdriver Twee...

Page 96: ...e computer or removing a compo nent from the computer s system board to avoid possible damage to the system board HDU D ZULVW JURXQGLQJ VWUDS DQG FOLS LW WR DQ XQSDLQWHG PHWDO VXU IDFH VXFK DV WKH SDGORFN ORRS RQ WKH EDFN RI WKH FKDVVLV I D ZULVW JURXQGLQJ VWUDS LV QRW DYDLODEOH SHULRGLFDOO WRXFK DQ XQSDLQWHG PHWDO VXUIDFH RQ WKH EDFN RI WKH FRPSXWHU WR GLVFKDUJH DQ VWDWLF FKDUJH IURP RXU ERG YRLG...

Page 97: ...size Chassis 5 3 LJXUH QWHUQDO 9LHZ RI WKH 0LGVL H RPSXWHU power supply diskette tape drive interface cable hard disk drive bracket hard disk drive interface cable 3 5 inch diskette drive expansion card cage system board external drive bays ...

Page 98: ...steps 1 Place the right side of the computer on a flat work surface 2 Unscrew the optional stand screw Use your fingers or a wide flat blade screwdriver to unscrew the optional stand screw 3 Pull the optional stand away from the computer Disengage the three orientation nubs that position and help hold the optional stand to the computer optional stand screw ...

Page 99: ...two securing buttons until 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 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 proper airf...

Page 100: ...h the 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 screwdriver 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 cove...

Page 101: ...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 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...

Page 102: ...d disk drive bracket 2 Disconnect the control panel cable from the PANEL connector on the sys tem board 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 103: ...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 104: ...ve 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 that the two hooks on the right side of the bracket engage the mounting holes in the side of the 3 5 ...

Page 105: ...e assembly 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 10 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 ...

Page 106: ...ard disk drive installed in the hard disk drive bracket 2 Remove the screw that secures 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 o...

Page 107: ... 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 bracket hard disk drive drive mounting screws 4 for side mounted drive drive mounting screws 4...

Page 108: ...tem 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...

Page 109: ...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 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 flush against th...

Page 110: ...Disconnect 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 111: ...e 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 112: ...g 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 sys tem 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 microprocessor upgrade is being installed If the original...

Page 113: ... the system power supply 2 Locate the three DIMM sockets 3 To remove a DIMM push outward on the DIMM socket s securing clips until the DIMM is released from its socket LJXUH 00 5HPRYDO 4 Lift the DIMM away from the socket 5 Reinstall the replacement DIMM by pressing the DIMM fully into the socket while closing the securing clips to lock the DIMM into the socket LJXUH 00 QVWDOODWLRQ 6 Replace all a...

Page 114: ...G WKH LQWHUIDFH FDEOH IURP WKH EDFN RI HDFK KDUG GLVN GULYH LQVWDOOHG LQ WKH KDUG GLVN GULYH EUDFNHW 2 Orient the video memory upgrade module as shown in Figure 5 20 Then carefully align the module s edge connector pins with the socket ensuring that the slot in the module mates with the socket key 3 Press the video memory upgrade module firmly into the socket and pivot the module downward until th...

Page 115: ...take 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 h...

Page 116: ...the SEC cartridge release latches located directly on top of the SEC cartridge adjacent to the heat sink assembly until the latches click 6 Lift the SEC cartridge heat sink assembly out of its guide bracket assembly connector on the system board NOTE When installing the SEC cartridge heat sink assembly press outward on the SEC cartridge release latches and then carefully orient the assembly and pr...

Page 117: ... with a blunt nonconducting object such as a plastic screwdriver 6 Insert the battery into the socket with the positive side labeled facing upwards and snap it into place 7 Replace the expansion card cage replace the computer cover reconnect all cabling and reboot the system 8 Enter the System Setup program and configure the system using the infor mation from the printouts you made earlier 9 Turn ...

Page 118: ...5 24 HOO 2SWL3OH S 0DQDJHG 3 DQG 2SWL3OH 1 1HW 3 6 VWHPV 6HUYLFH 0DQXDO ...

Page 119: ...n 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 screwdriver Wide flat blade screwdriver 1 and 2 Phillips screwdrivers 1 4 inch nutdriver T...

Page 120: ...r or removing a compo nent from the computer s system board to avoid possible damage to the system board HDU D ZULVW JURXQGLQJ VWUDS DQG FOLS LW WR DQ XQSDLQWHG PHWDO VXU IDFH VXFK DV WKH SDGORFN ORRS RQ WKH EDFN RI WKH FKDVVLV I D ZULVW JURXQGLQJ VWUDS LV QRW DYDLODEOH SHULRGLFDOO WRXFK DQ XQSDLQWHG PHWDO VXUIDFH RQ WKH EDFN RI WKH FRPSXWHU WR GLVFKDUJH DQ VWDWLF FKDUJH IURP RXU ERG YRLG WRXFKLQJ...

Page 121: ...moving and Replacing Parts on the Mini Tower Chassis 6 3 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 122: ... the padlock if one is installed 3 Facing the left side of the computer press the release button at the bottom left corner of the front bezel 4 Lift the bottom of the cover allowing it to pivot up toward you 5 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 th...

Page 123: ...QW H HO 5HPRYDO 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 124: ...ork 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 screwdriver 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 125: ...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 and then press the ring tabs over the posts posts 2 front bezel ring tabs 2 5 25 inch front panel insert ...

Page 126: ...hese steps 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 3 5 inch front panel insert 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 127: ... drive bracket 2 Disconnect the control panel cable from the PANEL connector on the sys tem board 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 128: ...edures 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 inc...

Page 129: ...mbly 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 forward 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 10 retaining tab release button ...

Page 130: ...VNHWWH 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 131: ...mbly 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 6 12 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 d...

Page 132: ... bracket to the drive cage in the chassis 3 Grasp the bracket and rotate it outward from the chassis until the sliding 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 slot so that the tabs hook over the slo...

Page 133: ... 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 hard disk drive bracket drive mounting screws 4 for bottom mounted drive sliding tab drive mou...

Page 134: ...ecuring 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 system power supply place the power supply deten...

Page 135: ... external cables attached to them SDQVLRQ DUG DJH LJXUH SDQVLRQ DUG DJH 5HPRYDO To remove the 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 the expansion card cage align the tabs on the left and right sides of the expansion card cage with the slots on th...

Page 136: ...Disconnect 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 137: ...ion 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 138: ...g 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 sys tem 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 microprocessor upgrade is being installed If the original...

Page 139: ...ve the system power supply 2 Locate the three DIMM sockets 3 To remove a DIMM push outward on the DIMM socket s securing clips until the DIMM is released from its socket LJXUH 00 5HPRYDO 4 Lift the DIMM away from the socket 5 Reinstall the replacement DIMM by pressing the DIMM fully into the socket while closing the securing clips to lock the DIMM into the socket LJXUH 00 QVWDOODWLRQ 6 Replace all...

Page 140: ...NHW 2 Orient the video memory upgrade module as shown in Figure 6 22 Then carefully align the module s edge connector pins with the socket ensuring that the slot in the module mates with the socket key 3 Press the video memory upgrade module firmly into the socket and pivot the module downward until the module clicks into place NOTE If you do not hear a sharp click when installing the video memory...

Page 141: ...o take 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...

Page 142: ...the SEC cartridge release latches located directly on top of the SEC cartridge adjacent to the heat sink assembly until the latches click 6 Lift the SEC cartridge heat sink assembly out of its guide bracket assembly connector on the system board NOTE When installing the SEC cartridge heat sink assembly press outward on the SEC cartridge release latches and then carefully orient the assembly and pr...

Page 143: ...th a blunt nonconducting object such as a plastic screwdriver 6 Insert the battery into the socket with the positive side labeled facing upwards into its socket and snap it into place 7 Replace the expansion card cage replace the computer cover reconnect all cabling and reboot the system 8 Enter the System Setup program and configure the system using the infor mation from the printouts you made ea...

Page 144: ...6 26 HOO 2SWL3OH S 0DQDJHG 3 DQG 2SWL3OH 1 1HW 3 6 VWHPV 6HUYLFH 0DQXDO ...

Page 145: ...cedure 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 5HFRPPHQGHG 7RROV Most of the procedures in this chapter require the use of one or more of the following tools Small flat...

Page 146: ...Wait 5 seconds after powering down the computer before disconnecting a peripheral from the computer or removing a compo nent from the computer s system board to avoid possible damage to the system board HDU D ZULVW JURXQGLQJ VWUDS DQG FOLS LW WR DQ XQSDLQWHG PHWDO VXU IDFH VXFK DV WKH SDGORFN ORRS RQ WKH EDFN RI WKH FKDVVLV I D ZULVW JURXQGLQJ VWUDS LV QRW DYDLODEOH SHULRGLFDOO WRXFK DQ XQSDLQWHG ...

Page 147: ...DQG 5HPRYDO To remove the optional stand if one is installed follow these steps 1 Place the right side of the computer on a flat work surface 2 Unscrew the captive screw using your fingers or a wide flat blade screwdriver power supply hard disk drive expansion card cage system board captive screw locator pins 2 on underside of stand front bezel ...

Page 148: ...ure the stand to the computer When reinstalling the optional stand align the front edge of the stand with the groove between the front bezel and the computer cover Move the stand until the locator pins engage the holes in the side of the computer The locator pins are keyed for correct installation RPSXWHU RYHU LJXUH RPSXWHU RYHU 5HPRYDO securing buttons 2 front of computer ...

Page 149: ...ons until the cover is free to swing up 4 Raise the back of the cover and pivot it toward the front of the computer 5 Lift the cover off the hooks at the front of the chassis Four plastic hooks at the front 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 You m...

Page 150: ...on the sys tem board 3 From inside the chassis remove the mounting screw securing the control panel to the chassis 4 Remove the control panel from the chassis When you reinstall the control panel place the control panel between the tabs in the chassis Before reinstalling the power supply be sure to route the con trol panel cable under the retention tabs on the chassis wall control panel cable cabl...

Page 151: ...le and the EIDE cable from the back of the drive 2 Disconnect any external cables from the expansion card if one is installed 3 Remove the expansion card cage 4 Remove the expansion card if one is installed 5 Remove the four hard disk drive mounting screws that attach the hard disk drive to the expansion card cage hard disk drive mounting screws 4 hard disk drive expansion card cage ...

Page 152: ...ck of the chassis and lift the connector away from the chassis 6 Rotate the top of the system power supply back until it clears the retention tab then lift the power supply from the chassis When you reinstall the system power supply place it in front of the two tabs on the bottom of the chassis Then rotate the power supply toward the front of the chassis until the retention tab snaps into place Ro...

Page 153: ...al cables from the expansion card if one is installed 2 Disconnect the DC power cable and the EIDE cable from the back of the hard disk drive 3 Rotate the securing lever toward the back of the computer until it stops in the upright position 4 Lift the expansion card cage up and away from the computer To replace an expansion card cage keep it flush against the left side of the chassis to ensure tha...

Page 154: ... 1 Disconnect any external cables from the expansion card 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 retaining screw card slot opening expansion card connector riser board expansion card card mounting bracket ...

Page 155: ...3 Lay the expansion card cage on a flat work surface with the riser board facing up 4 Remove the riser board mounting screw 5 Slide the riser board to the side as shown in Figure 7 10 and then remove the riser board from the expansion card cage When you replace the riser board be sure that the two tabs on the expansion card cage engage the riser board slots riser board riser board mounting screw e...

Page 156: ...Carefully lift the system board out of the chassis be sure to lift evenly and not twist the system board NOTES If you are replacing a system board remove the microprocessor heat sink assembly video memory upgrade module if present and the DIMMs from the old system board and install them on the replacement board Also if the original system board has a NIC connector ensure that the replace ment syst...

Page 157: ...ow these steps 1 Locate the three DIMM sockets 2 To remove a DIMM push outward on the DIMM socket s securing clips until the DIMM is released from its socket LJXUH 00 5HPRYDO 3 Lift the DIMM away from the socket 4 Reinstall the replacement DIMM by pressing the DIMM fully into the socket while closing the securing clips to lock the DIMM into the socket LJXUH 00 QVWDOODWLRQ 5 Replace all assemblies ...

Page 158: ...HW 2 Orient the video memory upgrade module as shown in Figure 7 14 Then carefully align the module s edge connector pins with the socket ensuring that the slot in the module mates with the socket key 3 Press the video memory upgrade module firmly into the socket and pivot the module downward until the module clicks into place NOTE If you do not hear a sharp click when installing the video memory ...

Page 159: ...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 a single edge contact SEC cartridge heat sink assembly which includes the microprocessor microprocessor heat sink and L2 cache memory module You may also have to reseat or replace an...

Page 160: ...the SEC cartridge release latches located directly on top of the SEC cartridge adjacent to the heat sink assembly until the latches click 6 Lift the SEC cartridge heat sink assembly out of its guide bracket assembly connector on the system board NOTE When installing the SEC cartridge heat sink assembly press outward on the SEC cartridge release latches and then carefully orient the assembly and pr...

Page 161: ...ers or with a blunt nonconducting object such as a plastic screwdriver 6 Insert the battery into the socket with the positive side labeled facing upwards and snap it into place 7 Replace the expansion card cage replace the computer cover reconnect all cabling and reboot the system 8 Enter the System Setup program and configure the system using the infor mation from the printouts you made earlier 9...

Page 162: ...7 18 HOO 2SWL3OH S 0DQDJHG 3 DQG 2SWL3OH 1 1HW 3 6 VWHPV 6HUYLFH 0DQXDO ...

Page 163: ...tion information stored in NVRAM on the system board To enter the System Setup program follow these steps 1 Turn on or reboot the system 2 Press F2 when the Dell logo screen appears 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 document...

Page 164: ...H ILHOGV HYHO DFKH 6 VWHP 0HPRU 9LGHR 0HPRU 6HUYLFH 7DJ VVHW 7DJ QWHJUDWHG 0 6 5 0 0 6 5 0 3HQWLXP 3URFHVVRU 0 HOO RPSXWHU RUSRUDWLRQ ZZZ GHOO FRP 3DJH RI 6 VWHP 2SWL3OH 0 6HWXS 7R FKDQJH WKH YDOXH LQ D ILHOG HQWHU D QXPEHU RU XVH WKH OHIW RU ULJKW DUURZ NH KDQJHV WDNH HIIHFW LPPHGLDWHO FKDQJH YDOXHV VF H LW HYHO DFKH 6 VWHP 0HPRU 9LGHR 0HPRU 6HUYLFH 7DJ VVHW 7DJ LVNHWWH ULYH HOO RPSXWHU RUSRUDWLR...

Page 165: ...atic If none of the supported drive types matches the parameters of the new drive enter parameters directly To do so highlight the appropriate Drive option Drive 0 or Drive 1 and type u to display 8VHU Press Tab to highlight each of the parameter fields in suc cession and enter the appropriate number for each field NOTES For EIDE devices such as EIDE CD ROM drives and EIDE tape drives that are usi...

Page 166: ...ccur set DAC Snoop to On ACPI This option controls the operation of the sys tem s Advanced Configuration and Power Interface ACPI feature When ACPI is set to On momentarily press ing the power button places the system in a power saving mode To turn the system off completely press the power button for more than four seconds When ACPI is set to On interrupt request IRQ line 9 is not available for us...

Page 167: ...etermines whether the Wakeup On LAN feature is set to Off or On You must reboot your system before a change takes effect Sound Enables On or disables Off the integrated sound controller NIC Enables On or enables without PXE support On PXE Off or disables Off the integrated NIC Mouse Enables or disables the built in PS 2 compatible mouse port Serial Port 1 Configures system s built in serial port 1...

Page 168: ...Plug and Play network adapters installed in the computer The Exclude From Boot Device Priority option allows you to remove from the Boot Device Priority option any boot devices that you want the system to ignore during system start up The Device Controller Priority option lists the system BIOS controller any non Plug and Play devices such as network adapter cards and any secondary controller cards...

Page 169: ...e 0 to be drive C you must move the SCSI adapter item to the top of the Device Controller Priority option To change the order of the devices press Ctrl and the up or down arrow key If you want to revert to the original Boot Device Priority option settings press Ctrl Del NOTE If you exit the Device List option by pressing Esc or Alt b with out making any changes the Boot Sequence option is set to t...

Page 170: ...A 8 Dell OptiPlex GX1 GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual ...

Page 171: ...Plex NX1 computer 7 16 beep codes 3 1 BIOS flash ROM 1 4 block diagram low profile computer 1 28 midsize computer 1 30 mini tower computer 1 31 OptiPlex NX1 computer 1 34 boot routine observing while troubleshooting 2 3 bracket hard disk drive removal midsize computer 5 12 mini tower computer 6 14 cabling verification 2 2 CD ROM drives removal low profile computer 4 10 removal midsize computer 5 1...

Page 172: ...er 1 11 on back of mini tower computer 1 12 on back of OptiPlex NX1 computer 1 13 system board 1 18 control panel removal low profile computer 4 7 midsize computer 5 8 mini tower computer 6 9 OptiPlex NX1 computer 7 6 controllers audio 1 5 diskette tape drive 1 5 EIDE 1 4 Ethernet NIC 1 7 video 1 5 controls and indicators front panel views 1 8 hard disk drive access indicator 1 9 NIC activity indi...

Page 173: ...h diskette drive removal low profile computer 4 9 3 5 inch diskette drive removal midsize computer 5 10 drives continued 3 5 inch diskette drive removal mini tower computer 6 12 CD ROM drive removal low profile computer 4 10 CD ROM drive removal midsize computer 5 11 CD ROM drive removal mini tower computer 6 12 external diskette drive kit OptiPlex NX1 computer 2 8 hard disk drive removal low prof...

Page 174: ...e computer 5 7 mini tower computer 6 7 6 8 hard disk drives bracket removal midsize computer 5 12 bracket removal mini tower computer 6 14 options 1 22 removal low profile computer 4 11 removal midsize computer 5 13 hard disk drives continued removal mini tower computer 6 15 removal OptiPlex NX1 computer 7 7 service information 1 22 SMART technology 1 4 hard disk based diagnostics 2 7 heat sink SE...

Page 175: ...puter 1 32 Plug and Play expansion cards 1 13 port assignments low profile computer 1 10 midsize computer 1 11 mini tower computer 1 12 OptiPlex NX1 computer 1 13 POST beep codes 3 1 power button removal low profile computer 4 5 midsize computer 5 6 mini tower computer 6 6 power indicator 1 9 power supply about 1 8 1 24 1 31 cables low profile computer 1 27 cables midsize and mini tower computers ...

Page 176: ...18 1 24 SMART technology 1 4 specifications technical 1 35 stand removal midsize computer 5 4 OptiPlex NX1 computer 7 3 subsystems audio 1 5 expansion 1 13 memory 1 17 NIC 1 7 SVGA 1 5 switch AC voltage selection 1 8 low profile computer 1 10 midsize computer 1 11 mini tower computer 1 12 OptiPlex NX1 computer 1 13 system battery removal low profile computer 4 20 midsize computer 5 22 mini tower c...

Page 177: ...pection 2 2 initial procedures 2 1 internal visual inspection 2 4 resource conflicts 2 5 service related information 1 18 1 22 using beep codes 3 1 8 upgrade options 1 16 9 video memory controller 1 5 for low profile computer 4 18 for midsize computer 5 20 for mini tower computer 6 22 for OptiPlex NX1 computer 7 14 upgrading 1 17 visual inspection external 2 2 internal 2 4 voltage ranges OptiPlex ...

Page 178: ...8 Dell OptiPlex GX1 GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual ...

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