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Dell 1950 Laptop User Manual

1. 4 5 Control Panel Assembly Removal 4 6 Drive HardWwdte od ha OS a 4 7 Externally Accessible Drives Removal 4 8 vii viii Figure 4 7 Figure 4 8 Figure 4 9 Figure 4 10 Figure 4 11 Figure 4 12 Figure 4 13 Figure 4 14 Figure 4 15 Figure 4 16 Figure 4 17 Figure 4 18 Figure 4 19 Figure A 1 Figure A 2 Figure A 3 Figure A 4 Figure A 5 Tables Table 1 1 Table 1 2 Table 1 3 Table 1 4 Table 1 5 Table 3 1 Table 3 2 Table A 1 Table A 2 Table A 3 Table A 4 Table A 5 Table A 6 Drive Mounting Rails and Extensions Removal 4 9 Hard Disk Drive 1 4 10 Expansion Card 4 11 Power Supply 1 4 12 System Cooling Fan 1 4 13 System Board Components 4 14 DIMM 1 4 15 DIMM Installation er 4 15 Microprocessor Securing Clip Removal 4 16 Microprocessor Heat Sink 4 17 System Battery 1 4 18 System Board Assembly 4 19 system Board 1 4 20 Ment iene pees bee epee e
2. 4 6 Drive Hardware reeet weeds ee E Dom kie ens 4 7 Externally Accessible Drives Removal 4 8 Drive Mounting Rails and Extensions Removal 4 9 Hard Disk Drive 1 4 10 Expansion Card 4 11 Power Supply 1 4 12 System Cooling Fan 1 4 13 System Board Components 4 14 DIMM Renioval a sedes heo be PES 4 15 DIMM 4 15 Microprocessor Securing Clip Removal 4 16 Microprocessor Heat Sink 4 17 System Battery 1 4 18 System Board Assembly 4 19 System Board 1 4 20 Man A 3 DELL CONFIDENTIAL Preliminary 4 19 00 Xii Figure A 2 Figure A 3 Figure A 4 Figure A 5 Boot Options A 5 Advanced A 6 Security crudo ak ee are paie ETE ee A 8 Exit MEDU nem EUR ewe wae Su bed poseen A 10 DELL CONFIDENTIAL Preliminary 4 19 00 Tables Table 1 1 Table 1 2 Table 1 3 Table 1 4 Table 1 5 Table 3 1 Table 3 2 Table A 1 Table A 2 Table A 3 Tabl
3. Removing and Replacing Parts 4 19 System Board front of computer system board mounting screw system board mounting clips 10 Figure 4 19 System Board Removal To remove the system board follow these steps 1 5 Remove the system board assembly 2 Lay the system board assembly on a flat worksurface 3 4 Remove the system board mounting screw Slide the system board toward the front of the computer to disengage the system board mounting clips Lift the system board out of the system board mounting bracket If you are replacing the system board remove the DIMMs and the micro processor from the old system board and install them on the replacement board 4 20 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Printed in the U S A P N 82502
4. M memory system 1 6 messages error 3 3 microprocessor removal 4 16 P PCI expansion cards 1 6 Plug and Play ISA expansion cards 1 6 POST beep codes 3 1 power button 1 3 power indicator 1 3 power supply 1 10 cables 1 12 connectors 1 10 DC voltage ranges 1 10 illustrated 1 12 power distribution diagram 1 13 removal 4 12 precautionary measures 4 2 R reset button 1 3 resource conflicts eliminating 2 5 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual 5 SCSI controller integrated 1 7 SCSI devices ID numbers 1 8 SCSI hard disk drives See also drives specifications technical 1 19 subsystems advanced expansion 1 6 system battery removal 4 18 system board component locations 4 14 illustrated 1 14 removal 4 19 system cooling fan removal 4 13 system error messages list of 3 3 system power supply 1 10 System Setup program advanced menu A 6 boot options submenu A 5 exit menu A 10 key functions list of A 2 main menu A 3 menus A 1 screen color combinations A 3 screen conventions A 1 security menu A 8 starting A 1 system unit See computer T technical specifications 1 19 termination jumpers SCSI drives 1 8 troubleshooting boot routine observing 2 3 external visual inspection 2 2 initial procedures 2 1 initial user contact 2 1 internal visual inspection 2 4 U user contact initial 2 1 V video controller integr
5. 1 19 configuration guidelines SCSI drives 1 7 connectors locations 1 14 4 14 control panel assembly location 1 4 removal 4 6 D DC power distribution diagram 1 13 DIMMs ECC 1 6 installation 4 15 removal 4 15 socket population rules 1 6 diskette drive access indicator location 1 3 location 1 4 4 7 removal 4 8 diskette based diagnostics 2 6 DREQ line assignments list of 1 18 drives boot device 1 8 externally accessible drive bays 1 3 location of 4 7 SCSI configuration guidelines 1 7 SCSI ID numbers 1 8 SCSI termination jumper examples 1 9 SCSI termination jumpers 1 8 E ECC 1 6 EISA expansion cards 1 6 error messages system list of 3 3 expansion subsystem 1 6 Index 1 expansion card slots 1 6 expansion cards removal 4 11 external visual inspection 2 2 externally accessible drives removal 4 8 F front bezel features 1 3 insert removal 4 5 removal 4 4 H hard disk SCSI drives bracket removal 4 10 location 4 7 hard disk drives SCSI configurations 1 7 hard disk drive access indicator 1 3 help getting 2 6 ID numbers SCSI devices 1 8 indicators 1 3 initial procedures 2 1 initialization system error messages 3 3 insert removal front bezel 4 5 integrated SCSI controller 1 7 server management 1 6 video controller 1 7 interrupt assignments list of 1 17 J jumpers list of 1 16 location on system board 1 15
6. 4 During the boot routine observe the system for any of the following Diskette drive and hard disk drive access indicators These indicators light up in response to data being transferred to or from the drives If either of these indicators fails to light up during the boot routine trou bleshoot the diskette drive or hard disk drive subsystem as appropriate System error messages These messages can indicate problems pro vide status information If a system error message is displayed see Table 3 2 Beep codes A beep code is a series of beeps that indicates an error con dition If the system emits a beep code see Table 3 1 NOTE The system beeps once during the boot routine This single beep is normal and is not a beep code 5 Observe the monitor screen for the Diagnostics Menu Does the Diagnostics Menu appear Yes See Running the Diskette Based Diagnostics found later in this chapter No Proceed to step 6 6 Insert another copy of the diagnostics diskette into the diskette drive and reboot the system Does the Diagnostics Menu appear Yes See Running the Diskette Based Diagnostics found later in this chapter No Proceed to the next section Internal Visual Inspection Internal Visual Inspection CAUTION Before you proceed with the internal visual inspection described in this section ensure that the user has saved all open files and exited all open application programs
7. DIMMS or replace the sys tem board 2 1 2 3 Invalid ROM copy Defective system board right notice 2 2 3 1 Unexpected interrupt Improperly seated expan sion card or the system needs rebooted 3 2 2 1 Gate A20 failure Defective system board 4 2 4 3 Keyboard controller Defective DIMMs or sys error tem board Reseat the DIMMs or replace the sys tem board 4 2 4 4 Gate A20 failure Defective system board 3 2 PowerEdge 2100 180 and 2100 200 Systems Service Manual System Error Messages Table 3 2 lists in alphabetical order system error messages that can appear on the monitor screen These messages can help you find the source of a problem Some of these error messages indicate fatal errors When a fatal error occurs the system cannot usually be rebooted until an appropriate hardware change has been made Table 3 2 System Error Messages Message Definition Probable Causes System bat The system battery Replace the battery tery is dead is dead and run the System Replace Setup program and run Setup System CMOS The configuration Run the System Setup checksum data is corrupted program to restore your bad Run system configuration Setup Incorrect The diskette drive Run the System Setup drive A type does not match the program to restore your Run Setup diskette drive type system configuration stored in the config uration data Incorrect The di
8. 7 SCSLID NUMDETS 1 8 Device Termination 1 8 ep pi De Ael dd oni ae are 1 10 System Power 1 10 Pin Assignments for the DC Power 1 10 DC Power 1 1 12 System Board Layouts Dow Roa XE MEE MS 1 14 System Board 1 15 Interrupt Assignments 95 540645 cance EE ERG 1 17 DMA Channel 1 1 18 echnical Specifications ou ee es Boe tana e eae 1 19 vi Chapter 2 Basic Troubleshooting 2 1 Initial User Comact ise ewe ett ek Ge PSR vy Og eS 2 1 External Visual Inspection 2 2 Observing the Boot 2 3 Internal Visual Inspection s iesus hase Abe RN SORRY 2 4 Eliminating Resource Conflicts 2 5 Running the Diskette Based 1 2 6 Getting Helps caidas 2 6 Chapter 3 Beep Codes and Error 55 5 3 1 POST Beep COURS ete y s 3 1 System Messages E PESO eate
9. Pentium Pro microprocessor contains a built in clock multiplier circuit which increases the internal operating frequency to a multiple of the system clock frequency The microprocessors for each of these systems and their oper ating frequencies are as follows Dell PowerEdge 2100 180 system 180 MHz derived from system clock frequency of 60 MHz Dell PowerEdge 2100 200 system 200 MHz derived from a system clock frequency of 66 MHz System Overview 1 1 System Features In addition to the standard features found in a traditional personal computer Dell PowerEdge 2100 systems include the following new and or advanced features 256 KB of cache memory internal to the Pentium Pro module 16 MB of 72 bit wide buffered extended data output EDO type main memory upgradable to 256 MB Memory error correction code ECC feature is built into the memory con troller on the system board Advanced combination EISA and PCI expansion subsystem Three EISA and three PCI expansion card slots none of the expansion card slots are shared Integrated VGA compatible video subsystem attached to the PCI bus with 1 MB video memory standard BIOS in upgradable flash memory attached to the EISA bus Integrated super I O controller attached to the EISA bus provides a bidirectional parallel port two serial ports and the diskette drive interface Integrated ultra fast 20 wide small computer system interface SCSI controller In
10. Proceed to the next section External Visual Inspection 3 Observe the user to determine if he or she is making an error such as typing an incorrect key combination or entering a command incorrectly Is the problem a result of user error Yes Instruct the user in the proper procedure or direct him or her to the appropriate user documentation for the correct procedure No Proceed to the next section External Visual Inspection Basic Troubleshooting 2 1 External Visual Inspection The external visual inspection is a quick inspection of the exterior of the system unit the monitor the keyboard any peripherals and cables While performing the visual inspection make any necessary corrections To perform the external visual inspection follow these steps 1 Turn off the system unit the monitor and all peripherals 2 Verify that all power cables are properly connected to the system unit the monitor and peripherals and their power sources 3 Verify that the keyboard and mouse interface cables are firmly attached to the proper connectors on the back of the system unit For a PS 2 compatible mouse the keyboard and mouse interface cable con nectors are identical except for their labels If needed see System Features in Chapter 1 For a serial mouse the mouse interface cable must be firmly attached to one of the serial port connectors and its captive screws must be secure enough to ensure a firm conne
11. capacity DIMMs installed in decreasing sizes toward socket D The 72 bit wide buffered EDO DIMMs support the ECC feature that detects memory errors and corrects single bit memory errors The ECC feature pro vides more reliable memory and less downtime The ECC feature is built into the memory controller on the system board See DIMMs in Chapter 4 for information on removing and replacing DIMMs Advanced Expansion Subsystem The computer system offers advanced expansion subsystems that can support a mixture of traditional EISA expansion cards Plug and Play ISA expansion cards and PCI expansion cards The EISA Configuration Utility included with the system provides a means of avoiding resource conflicts that might arise from such an arrangement After all legacy cards have been configured with the EISA Configuration Utility the system automatically assigns any required memory space IRQ lines and DMA channels to any installed Plug and Play ISA expansion cards and PCI expansion cards the next time the system is rebooted Chapter 5 Using the EISA Configuration Utility in the User s Guide describes the EISA Configura tion Utility and provides instructions for using it to configure the system The six expansion card slots include three EISA expansion card connectors and three PCI expansion card connectors The expansion card connectors are located on the system board see Figure 1 11 Integrated Server Management T
12. cooling fan connector FAN 0 push fastener removed new push fastener push fastener installed plunger plunger barrel back wall of chassis system cooling fan Figure 4 11 System Cooling Fan Removal To remove the system cooling fan follow these steps 1 Lay the computer on its right side 2 Disconnect the system cooling fan cable from the FAN connector on the system board see Figure 4 12 3 To loosen the system cooling fan from the chassis a Push the plunger of each of the four push fasteners toward the back of the chassis using a small flat blade screwdriver or another small flat object b From the outside back of the chassis pull the plungers completely out of the push fasteners 4 Remove the system cooling fan and the push fastener barrels from the chassis To replace the system cooling fan use four new push fasteners New push fas teners have the plunger inserted part way into the barrel Align the mounting holes in the system cooling fan with the holes in back wall of the chassis Insert each push fastener completely then push in on the plunger to lock the fastener Removing and Replacing Parts 4 13 System Board Components The subsections that follow contain procedures for removing system board components fan connector FAN integrated SCSI port connector SCSI Socket 8 keyboard bottom and mouse top connectors KYBD MOUSE serial port 1 bottom and serial
13. drive 34 pin connector Controls and Indicators Reset control push button Power control push button Power indicator green LED Diskette drive access indicator green LED Hard disk drive access indicator green LED CD ROM drive access green LED 1 20 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Table 1 5 Technical Specifications Continued Video Video type ATI mach64 264VT PCI video controller with integrated VGA connector Video memory standard 1 MB not upgradable Power DC power supply Wattage 230 W Voltage 90 to 135 V at 60 Hz 180 to 265 V at 50 Hz Backup battery 3 0 V CR2022 lithium coin cell Physical Height 44 45 cm 17 5 inches WIG eos e ep e oe 24 13 cm 9 5 inches Depth cess 41 91 16 5 inches Weight maximum 17 68 kg 39 0 Ib Environmental Temperature Operating 10 to 35 C 50 to 95 F Storage 40 to 65 C 40 to 149 F Relative humidity 8 to 80 noncondensing Maximum vibration 0 25 G at 3 to 200 Hz for 30 min 0 5 G at 3 to 200 Hz for 30 min Operating Storage Maximum shock Operating half sine wave form 50 G for 2 ms Storage half sine wave form 110 G for 2 ms square wave form 27 g for 15 m
14. if possible A simple visual inspection of a system unit 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 System Features in Chapter 1 to locate components in the inspection procedure To perform the internal visual inspection follow these steps 1 Turn off the system including any attached peripherals and disconnect all the AC power cables from their power sources 2 Remove the system unit cover 2 4 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual 3 Verify that the microprocessor DIMMs and expansion cards are fully seated in their sockets or connectors WARNING The microprocessor can get extremely hot Be sure the chip has had sufficient time to cool before you touch it While reseating the microprocessor wear a wrist grounding strap or main tain contact with a metal surface on the chassis To reseat the microprocessor remove it from its socket and reinstall it as described in Microprocessor Heat Sink Assembly in Chapter 4 To reseat a DIMM remove it from its socket and reinstall it as described in DIMMs in Chapter 4 If you need to reseat an expansion card use a 1 4 inch nut driver to remove the screw that secures the card mounting bracket Grasp the card by its top corners and carefully pull it out of its connector Reinsert the car
15. of the troubleshooting procedures in this chapter or the tests in the dis kette based diagnostics reveals the source of the problem or leads to the proper troubleshooting steps for determining the source of the problem call Dell for technical assistance For instructions see the chapter titled Getting Help in the Diagnostics and Troubleshooting Guide Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual A 0 fa eep Codes and Error Messages B T chapter describes beep codes and system error messages that can occur during POST or in the case of some failures during normal system operation The tables in this chapter list faults that can cause a beep code or system error message to occur and the probable causes of the fault in each case If a faulty system does not emit beep codes or display system error messages to indicate a failure you should use the diskette based diagnostics to run the appropriate tests to help isolate the source of the problem See Running the Diskette Based Diagnostics in Chapter 2 Posr Beep Codes If the monitor cannot display error messages during the POST the system may emit a series of beeps that identifies the problem or that can help you identify a faulty component or assembly Table 3 1 lists the beep codes that may be gener ated during the POST Most beep codes indicate a fatal error that prevents the system from completing the boot routine until the indicated condition
16. slots System Clocks System clock 60 or 66 MHz matches external processor speed Diskette communica tions ports 24 MHz from the system clock Memory Architecture 72 bit 64 data bits plus 8 parity bits noninter leaved buffered EDO type memory DIMM sockets four 168 pin sockets DIMM capacities 16 32 and 128 MB DIMMs are 60 ns or faster EDO Standard RAM 16 MB Maximum RAM 256 MB BIOS address F000 0000h F000 FFFFh System Overview 1 19 Table 1 5 Technical Specifications Continued Integrated SCSI Controller sod te Adaptec AIC 7880 ultra wide SCSI controller with integrated 68 pin SCSI connector on the system board Drives Dayss one 5 25 inch bay upper bay dedicated to a 3 5 inch diskette drive one 5 25 inch bay middle bay containing a CD ROM drive one 5 25 inch bay lower bay for a tape drive or CD ROM drive Daysie Lose et eux three hard disk drive bays for SCSI hard disk drives up to 1 6 inch high Ports Externally accessible Serial DTE two 9 pin connectors 16550 compatible Parallel one 25 hole connector bidirectional Video 15 hole connector VGA compatible PS 2 style key board 2222 6 pin mini DIN PS 2 compatible 6 pin mini DIN Internally accessible SCSI controller 68 pin ultra fast 20 wide connector Diskette
17. ANEL Jes keyboard bottom and Mp MOUSE microprocessor socket tors serial port 1 bottom diskette tape drive interface and serial port 2 top mil connector FLOPPY connectors SERIAL i 1 1 DIMM connectors DIMM_A I lower DIMM B DIMM C parallel port connector and DIMM_D auxiliary fan connector AUXFAN video connector a C JVGA Sass battery socket PCI connectors BATTERY lower 5 and EISA connectors EISA1 server management lower EISA2 and EISA3 connector SRV MGT Figure 1 11 System Board Components 1 14 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual System Board Jumper Socket 8 g 200 MHZ 180 MHZ PASSWD EISA VGA CARDBIOS jumpered unjumpered Figure 1 12 System Board Jumpers System Overview 1 15 Table 1 2 Jumper Descriptions Jumper Description Seitings 200MHZ Microprocessor speed Installed if the micro processor s internal speed is 200 MHz otherwise not installed 180MHZ Microprocessor speed Installed if the micro processor s internal speed is 180 MHz otherwise not installed PASSWD Password enable disable Jumper installed to activate boot password feature EISA Clear EISA configuration settings Install the jumper and boot the system to clear the con figuration settings Remove the jumper a
18. Dell PowerEdge 2100 180 and 2100 200 Systems SERVICE MANUAL Ej m m m m m MMM Dell PowerEdge 2100 180 and 2100 200 Systems SERVICE MANUAL Information in this document is subject to change without notice 1996 Dell Computer Corporation All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden Trademarks used in this text Dell the DELL logo and PowerEdge are registered trademarks of Dell Computer Corporation MS DOS and Microsoft are registered trademarks of Microsoft Corporation IBM is a registered trademark of International Business Machines Corporation Intel LANDesk and Pentium are registered trademarks of Intel Corporation Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own September 1996 P N 82502 Index B battery removal 4 18 beep codes 3 1 bezel removal 4 4 boot routine observing when troubleshooting 2 3 bracket hard disk drive removal 4 10 cables DC power 1 12 CD ROM drive access indicator location 1 3 location 1 4 4 7 removal 4 8 computer back left side internal view 1 5 cover removal 4 3 front right side internal view 1 4 orientation 1 3 technical specifications
19. Disk Drive Removal The hard disk drives are mounted inside a hard disk drive bracket The hard disk drive bracket must be removed before a hard disk drive can be removed To remove a hard disk drive follow these steps 1 2 Lay the computer on its right side Disconnect the DC power cable and the SCSI interface cable from the back of each hard disk drive installed in the hard disk drive bracket Remove the four mounting screws that attach the hard disk drive bracket to the front of the computer chassis Slide the hard disk drive bracket toward the back of the computer until the alignment tabs disengage from the alignment rails then lift it out of the computer Remove the four hard disk drive mounting screws from the hard disk drive then slide the drive out of the bracket Record the setting of the SCSI address jumpers and SCSI bus termina tion jumper When you reinstall a hard disk drive set the SCSI address jumpers and the SCSI bus termination jumper to the settings you recorded Be sure you position the hard disk drive against the side and back tabs inside the hard disk drive bracket the mounting holes in the hard disk drive bracket align with the screw holes in the hard disk drive 4 10 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Expansion Cards expansion card retaining screw expansion card card guide slots inside front of computer Figure 4 9 Expansion Card Removal 1 Lay th
20. ape CD ROM and hard disk drives Power distribution to sockets and connectors on the system board Figure 1 9 DC Power Cables 1 12 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual system power supply optional drive CD ROM drive 3 5 inch diskette drive internal hard disk drive internal hard disk drive internal hard disk drive keyboard system board controller 3 VDC battery power management logic 5 VDC 12 VDC 12 VDC POWERSV battery VDC 413 8 VDC P3 P4 P5 P6 5 VFP PWRGOOD main memory sockets 12 VDC DIMM_D b 5 VFP 5 VDC DIMM_C b 5 VDC DIMM B 5 VDC DIMM_A b MICROPROCESSOR processor core regulator 3 3 VDC core VCC 2 1 to 3 5 VDC Y cable Figure 1 10 DC Power Distribution 5 VDC through PCI6 EISA1 through EISA3 SRV_MGT FAN PANEL SPKR KYBD MOUSE System Overview 1 13 System Board Layout The subsections that follow provide service related information about the sys tem board components top of the computer 3 volt power connector fan connector FAN POWER3V power connector POWER integrated SCSI port connector SCSI 4 control panel connector P
21. ated 1 7 visual inspection external 2 2 internal 2 4 Index 3 Figures Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 1 7 Figure 1 8 Figure 1 9 Figure 1 10 Figure 1 11 Figure 1 12 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Figure 4 8 Figure 4 9 Figure 4 10 Figure 4 11 Figure 4 12 Figure 4 13 Figure 4 14 Figure 4 15 Figure 4 16 Figure 4 17 Figure 4 18 Figure 4 19 Figure A 1 Computer Orientation 1 3 Front Bezel Features 1 3 Front Right Side Internal View 1 4 Back Left Side Internal View 1 5 SCSI Termination Jumper 5 1 9 DC Power Connector 1 1 1 DC Power Connectors P2 P4 P5 and 1 11 DC Power Connectors P7 1 12 DC PowerCables n IA AQ RATA 1 12 DC Power Distribution ues Eh EDUC RE Le eh 1 13 System Board Components 1 14 System Board 1 15 Computer Cover 1 4 3 Front Bezel Removal seasta su a wes eee 4 4 Front Bezel Insert 1 4 5 Control Panel Assembly Removal
22. board controller is defective EISA con The EISA jumper Be sure the EISA figuration may have been acci jumper is removed NVRAM bad dentally installed then reboot the sys tem and restore the EISA configuration EISA con The EISA configu Be sure the EISA figuration ration data in expansion cards are error NVRAM does not properly seated then match the installed run the EISA configu EISA expansion ration utility cards Invalid CPU Speed detected Check jump ers The microprocessor speed jumper plug may be absent or installed on the wrong jumper pins Check the micro processor speed jumpers Memory size limit exceeded The size of installed DIMM memory is greater than 256 MB Verify that the total installed DIMM memory does not exceed 256 MB Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Table 3 2 System Error Messages Continued Message Definition Probable Causes Resource The BIOS detected a See Eliminating conflict resource conflict Resource Conflicts while configuring a in Chapter 2 Plug and Play ISA or PCI expansion card Warning The BIOS detected a See Eliminating IRQ not ini resource conflict Resource Conflicts tialized while configuring a in Chapter 2 Plug and Play ISA or PCI expansion card Expansion The BIOS detected a See Eliminating ROM not resource conflict Resource Conflicts initialized while configuring a in Chap
23. ction If present verify that any network cables are attached properly Verify that any devices attached to the serial and parallel port connec tors are properly connected Each of the serial and parallel interface cables must be firmly attached to an appropriate connector on the back of the system unit as well as to the inter face connector on the device The captive screws that secure these connectors at each end of the interface cable must be secure enough to ensure a firm connection 6 Verify that the video interface cable is firmly attached to the connector on the back panel or to a video expansion card and to the connector on the back of the monitor For proper connection of the video monitor see the documentation for the monitor 7 Inspect all external monitor controls for any obvious damage or improper settings For proper settings of the video monitor controls see the documentation for the monitor 8 Inspect the keyboard to ensure that no keys are sticking If one or more keys are sticking it may be necessary to replace the keyboard 2 2 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual 9 Inspect the exterior of the system unit including all controls and indica tors and all user accessible data storage devices for any signs of physical damage Does the inspection reveal any problems Yes Proceed to the appropriate procedure in Chapter 4 Removing and Replacing Parts No Proceed to
24. d in its connector and carefully push it in until it is fully seated Then reinstall the card mounting bracket s retaining screw 4 Verify that all jumpers are set correctly For information about these jumpers see System Board Jumpers in Chap ter 1 5 Check all cable connectors inside the system unit to verify that they are firmly attached to their appropriate connectors Reinstall the system unit cover 7 Reconnect the system unit and any attached peripherals to their power sources and turn them on Does the problem appear to be resolved Yes No further steps are necessary Terminate the procedure No Proceed to the next sections Eliminating Resource Conflicts Run ning the Diskette Based Diagnostics and to Getting Help Eliminating Resource Conflicts Devices within the system unit 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 be installed at a different time it is possible that the same resource is assigned to two or more devices Resource conflicts can result in disorderly or erratic system operation or system failure If you suspect that resource conflicts might exist check the system and reassign the resources as necessary For additional information see Chapter 5 Using the EISA Configuration Util ity in the User s Guide Basic Troubleshooting 2 5 2 6 R
25. e A 4 Table 5 DC Voltage Ranges an aoa Ex Bs Rae eg 1 10 Jumper 1 16 Interrupt Assignments 1 17 DREQ Line Assignments isle e RR ERES 1 18 Technical Specifications 1 19 POST Codes css crrr ped ERE RU 3 2 System Error Messages 3 3 Main Menu A 4 Boot Options Submenu Categories A 5 Advanced Menu A 7 security Menu Categories A 9 Exit Menu A 11 DELL CONFIDENTIAL Preliminary 4 19 00 xiii DELL CONFIDENTIAL Preliminary 4 19 00 xiv Contents Chapter 1 System 1 1 System EN RES Y CINES 1 2 systeme ous San ode ros eta Mes ax Ea 1 6 Advanced Expansion Subsystem 1 6 Integrated Server 1 6 Video Controller do hee declines 1 7 Integrated SCSI 1 7 SCSI Hard Disk Drives ou Bee REE BE eR 1 7 SCSI Configuration Guidelines 1
26. e computer on its right side 2 Disconnect any cables attached to the expansion card you want to remove Be sure to record the location of each cable before you disconnect it 3 Remove the expansion card retaining screw Grasp the expansion card by its corners and carefully remove it from the expansion card connector Removing and Replacing Parts 4 11 System Power Supply power supply power supply mounting screws 4 AC power connector Figure 4 10 Power Supply Removal To remove the system power supply follow these steps 1 Disconnect the AC power cable from the AC power connector on the back of the power supply 2 Disconnect the DC power cables from the system board see Figure 4 12 the externally accessible drives and the hard disk drives see Figure 4 5 Be sure to record the connector number and plug location for each power cable 3 Remove the four power supply mounting screws 4 Slide the power supply forward about an inch to clear the retaining tabs then lift it out of the computer When you reinstall the power supply be sure the slots on the bottom of the power supply engage the retaining tabs on the computer chassis 4 12 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual System Cooling Fan system cooling fan mounting push amp 2 fasteners 4 NA XN gt L system cooling fan 2 gt ot gt A ke A e NY o system
27. ee pes A 3 Boot Options Submenu A 5 Advanced Menu EN 6 Security Menu us RP ER DAS EX Qe 8 Exit Meu Loose pees Sale UMEN AS A 10 DC Voltage 1 10 Jumper 1 16 Interrupt Assignments 1 17 DREQ Line 1 1 18 Technical Specifications 1 19 POSLBeecD Odes asesor e ce s ws Ee Rea 3 1 System Error Messages 3 3 Key Functions 425 Suv ere SR Gees RR EC OR A 2 Main Menu A 4 Boot Options Submenu Categories A 5 Advanced Menu A 7 Security Menu Categories A 9 Exit Menu A 11 Read This First A prerequisite for using this manual to service Dell computer systems is a basic knowledge of IBM compatible PCs and prior training in IBM compatible PC troubleshooting techniques In addition to information pro vided in this manual and the User s Guide that came with the system Dell provides the Diagnostics and Troubleshooting Guide for troubleshooting pro cedures and i
28. front bezel follow these steps 1 Remove the computer cover 2 Pry the front bezel loose with your finger tips and remove it from the chassis As you pry the front bezel loose pry at different points around the bezel to keep the opening between the front bezel and the computer chassis equal on all sides to prevent damage to the bezel alignment pins 4 4 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Front Bezel Inserts Al y front bezel insert Figure 4 3 Front Bezel Insert Removal To remove a front bezel insert follow these steps 1 Remove the front bezel 2 With the inside of the front bezel facing you grasp the front bezel with both hands and place your fingers on the outside of the front bezel insert 3 Push on the outside of the front bezel insert indicated by the two arrows then twist the sides of the front bezel outward until the front bezel insert is released To replace a front bezel insert position one end of the insert in place under its latch then press the other end into place until the tab snaps under the latch Removing and Replacing Parts 4 5 Control Panel Assembly top of computer right side of computer screw control panel assembly chassis tabs 2 Figure 4 4 Control Panel Assembly Removal To remove the control panel assembly follow these steps 1 Disconnect the control panel assembly cable from the PANEL connec tor on the system board see Figu
29. g for your personal safety and to prevent damage to the computer from ESD WARNING FOR YOUR PERSONAL SAFETY AND PROTECTION OF THE EQUIPMENT Before you start to work on the computer per form the following steps in the sequence listed 1 Turn off the computer and any attached peripherals 2 Disconnect the computer and any attached peripherals from their power sources to reduce the potential for personal injury 3 Disconnect any communications cables 4 Wear a wrist grounding strap and clip it to an unpainted metal sur face such as the system power supply s fan guard on the computer chassis If a wrist grounding strap is not available touch the fan guard or some other unpainted metal surface on the back of the computer to discharge any static charge from your body 4 2 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Computer Cover handle cover mounting screws 4 S Figure 4 1 Computer Cover Removal To remove the computer cover follow these steps 1 Remove the four cover mounting screws at the back of the computer 2 Slide the cover backward about one inch then grasp the front of the cover and the handle at the back of the cover and lift the cover straight up off the chassis Removing and Replacing Parts 4 3 Front Bezel retaining holes 6 P retaining clips 6 alignment holes 5 alignment pins 5 Figure 4 2 Front Bezel Removal To remove the
30. he system board contains integrated server management circuitry that moni tors whether the system cooling fan is running as well as critical system voltages and temperatures The integrated server management circuitry works in conjunction with the Intel LANDesk Server Management suite 1 6 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Video Controller The video subsystem is built into the system board and consists of a high speed high resolution VGA compatible video subsystem The video controller is con nected to the PCI local bus The standard video subsystem contains 1 MB of video memory the video memory size 15 not upgradable Maximum noninterlaced resolutions are 640 x 480 pixels with 16 7 million col ors or 800 x 600 pixels with 65 536 colors Maximum interlaced resolution is 1024 x 768 pixels with 256 colors Integrated SCSI Controller A single integrated SCSI controller provides an ultra fast 20 wide SCSI inter face through a 68 pin connector on the system board The integrated SCSI controller attaches to the PCI bus to provide a high performance SCSI bus The integrated SCSI controller provides control for the three SCSI hard disk drives in the SCSI hard disk drive cage the CD ROM drive in the middle externally accessible drive bay and a SCSI drive installed in the lower externally accessible drive bay SCSI Hard Disk Drives A SCSI hard disk drive cage is located under the externally accessible d
31. is corrected When the system emits a beep code record the code and then find it in Table 3 1 If the table does not lead to the source of the problem run the appro priate tests in the diskette based diagnostics to assist in troubleshooting the problem Table 3 1 POST Beep Codes Beep Code Error Probable Causes 1 2 Invalid Expansion Improperly seated expan card ROM checksum sion card or the system needs rebooted 1 2 2 3 Invalid BIOS ROM Corrupted BIOS firmware checksum or defective system board 1 3 1 1 DRAM refresh failure Defective DIMMs or sys tem board Reseat the DIMMs or replace the sys tem board Beep Codes and Error Messages 3 1 Table 3 1 POST Beep Codes Continued Beep Code Error Probable Causes 1 3 1 3 Keyboard controller Defective DIMMs or sys error tem board Reseat the DIMMs or replace the sys tem board 1 3 3 1 No DIMM memory Defective DIMMs or sys installed tem board Reseat the DIMMs or replace the sys tem board 1 3 4 1 DRAM failure Defective DIMMs or sys tem board Reseat the DIMMs or replace the sys tem board 1 3 4 3 DRAM failure Defective DIMMs or sys tem board Reseat the DIMMs or replace the sys tem board 1 4 1 1 DRAM failure Defective DIMMs or sys tem board Reseat the DIMMs or replace the sys tem board 1 4 2 1 CMOS failure Defective system board 1 4 3 1 Memory controller or Defective DIMMs or sys DIMM failure tem board Reseat the
32. llow these steps 1 Disconnect the DC power cable and the interface cable from the back of the drive Be sure to record the power connector number and interface cable connector identification 2 Pressinward toward center of drive on the two drive release tabs and slide the drive out of the bay 3 Remove the drive mounting rails and drive mounting extensions if present from the drive see Figure 4 7 4 8 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual 4 If the drive is a SCSI drive record the setting of the SCSI address jumpers and SCSI bus termination jumper 5 If present remove the 50 pin to 68 pin adapter from the SCSI connec tor on the back of the drive Some drives use a 50 pin to 68 pin adapter between the SCSI cable and the drive connector Check the back of the drive for an adapter if present remove it and retain it for use on the new drive 50 to 68 pin drive mounting rails 2 adapter QX drive mounting extensions drive release tabs Figure 4 7 Drive Mounting Rails and Extensions Removal When you reinstall a SCSI drive set the SCSI address jumpers and the SCSI bus termination jumpers to the settings you recorded Removing and Replacing Parts 4 9 Hard Disk Drives hard disk drive lm left alignment tab hard disk drive hard disk drive mounting screws 4 right alignment tab on outside of bracket mounting screws 4 Figure 4 8 Hard
33. n black 5 VDC red common black PSON grey 5 VDC red 11 12 13 14 15 16 17 18 19 20 not used brown 0000000000 0000000000 1 2 3 4 5 VDC red common black 5 VDC red 5 6 7 8 9 10 L common black common black 12 VDC blue 12 VDC yellow 5 VFP purple common black PWRGOOD orange Pin 11 PSON should measure between 4 and 5 VDC except when the power button on the front panel is pressed taking PSON to its active low state Pin 5 PWRGOOD should measure between 4 and 5 VDC when the power supply is on and oper ating to indicate that all power supply output voltages are within ranges specified in Table 1 1 Figure 1 6 DC Power Connector P1 Yo 2 5 6 12 3 L 412 VDC yellow common black common black 5 VDC red 1 2 3 4 L 5 VDC red common black common black 12 VDC yellow Figure 1 7 DC Power Connectors P2 P3 P4 P5 and P6 System Overview 1 11 _ 2900 pz 1 2 3 4 5 6 L 3 3 VDC blue white 2 43 3 VDC blue white 43 3 VDC blue white common black common black common black Figure 1 8 DC Power Connectors P7 DC Power Distribution Figures 1 9 and 1 10 provide the following information about DC power distribution Power supply connector identification Power cable connections for diskette t
34. n TRE pew aa 3 3 Chapter 4 Removing and Replacing Parts 4 1 Recommended Fools pious ee ewe sey 4 1 Precautionary Measures 4 2 COMPU EPC OV EL oi ov Er A PV 4 3 Front od rin bed PEE a RR 4 4 Eront Dezel osse Le VS e E DAD a a DU ERE nee ae 4 5 Control Panel Assembly EG RR ER 4 6 iar pP 4 7 Externally Accessible 4 8 Hard Disk Drives 2529 up ha tiasa E IER REIR RR 4 10 Expansion Cards C 4 11 System Power Supply hed pessime SA peewee pes 4 12 System Cooling Pales vu Ce Soo P CR Leah 4 13 System Board 4 14 Ce ex SR ide it e ac eue Nu bue s a s 4 15 Microprocessor Heat Sink 4 16 System Battery 2 cu pti Rp ob ARE ER ORAM 4 18 System Board 22e ae St Bowe eee ELS PS Ei ES 4 19 Syst m Board sued epe DRE ERE EX PER eode dme mee 4 20 Appendix A System Setup A 1 System Setup SCIeens ocre Bein GARS ARX xr qnt RoR 1 Screen Conventions A 1 Key Function Ee It T Sa Lewd arredo A 2 Screen Color C
35. n and disabled for all devices in between To that end regardless of whether you are installing internal or external devices use the fol lowing guidelines The built in SCSI controller has active termination no action is required When the SCSI hard disk drives are installed by Dell termination is set to enabled on the SCSI hard disk drive installed in the left bay of the SCSI hard disk drive cage Termination should be disabled on any other drives installed in the SCSI hard disk drive cage Figure 1 5 shows some examples of SCSI termination jumpers 1 8 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Ifyou install an optional SCSI controller card to control the CD ROM drive and any other SCSI device in the externally accessible drive bays you must enable termination for the SCSI controller card and the SCSI device at the end of the SCSI interface cable preferably the CD ROM drive See the documentation that came with your SCSI controller card for instructions Figure 1 5 shows an example of a SCSI termination jumper on a CD ROM drive NOTE When you install or remove a termination jumper do not move or remove any other jumpers installed on the drives termination jumper example CD ROM drive termination jumper termination jumper example hard disk drive bottom view jumpered unjumpered Figure 1 5 SCSI Termination Jumper Examples System Overview 1 9 System Unit The followi
36. nd use the EISA Configuration Util ity to configure the system VGA Integrated VGA controller enable disable Install to enable the inte grated VGA controller CARDBIOS Used for trouble shooting Install the jumper to boot system from BIOS expan sion card Remove the jumper to allow normal boot operation from BIOS 1 16 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Interrupt Assignments Table 1 3 Interrupt Assignments IRQ Line Used By Available IRQO Generated by system timer IRQI Generated by keyboard controller to indicate that keyboard s out put buffer is full IRQ2 Generated internally by interrupt controller to enable IRQ8 through IRQ15 IRQ3 Generated by super I O controller to indicate that device con and nected to corresponding serial port requires service IRQ3 for IRQ4 2 or IRQ4 for COMI or COM IRQ5 Available for use by expansion card unless this IRQ line is used by secondary parallel port IRQ6 Generated by super I O controller to indicate that diskette or tape drive requires service IRQ7 Generated by super I O controller to indicate that device con nected to parallel port requires service IRQ8 Generated by keyboard controller for each tick of RTC IRQ9 Available for use by expansion card IRQIO Available for use by expansion card IRQII Available for use by expansion card IRQ12 Generated by keyboard controller to indicate that mouse s
37. ng information NOTE Any narrow SCSI devices installed in the external drive bays will require SCSI ID numbers less than 7 When SCSI devices are shipped from Dell the default SCSI ID numbers are assigned as follows The computer s built in SCSI controller is configured through the BIOS as SCSI ID 7 the default ID number for a host adapter if the system includes a CD ROM or tape drive NOTE If only wide SCSI hard disk drives are connected to the built in SCSI controller no CD ROM or tape drives it may be configured as SCSI ID 15 A SCSI CD ROM drive installed in an externally accessible drive bay is configured as SCSI ID 5 ASCSItape drive if installed is configured as SCSI ID 6 The drive you intend to use as your boot device should be configured as SCSI ID 0 You can configure any additional hard disk drives to any of the still available SCSI ID numbers e If Dell installs additional SCSI hard disk drives in the system they will be configured as SCSI ID 1 and SCSI ID 2 NOTE There is no requirement that SCSI ID numbers be assigned sequentially or that devices be attached to the cable in order by ID number Device Termination Before installing SCSI devices you must configure the termination on the device s and for the built in SCSI controller according to the guidelines listed in the following text SCSI logic requires that termination be enabled for the two devices at opposite ends of the SCSI chai
38. ng subsections provide service related information about the computer System Power Supply The 230 W system power supply can operate from an AC power source of 115 VAC at 60 Hz or 230 VAC at 50 Hz The system power supply provides the DC operating voltages and currents listed in Table 1 1 NOTE The power supply produces DC voltages only under its loaded condi tion Therefore when you measure these voltages the DC power connectors must be connected to their corresponding power input connectors on the system board or drives Table 1 1 DC Voltage Ranges Maximum Output Voltage Range Current 3 3 VDC 3 15 to 3 45 VDC 14 0A 5 VDC 4 75 to 45 25 VDC 29 0A 12 VDC 11 40 to 412 60 VDC 6 0 A 12 VDC 10 80 to 13 20 VDC 0 3A 5 VDC 4 50 to 5 50 VDC 0 3A 5 VFP 4 75 to 45 25 VDC 10 mA Maximum continuous DC output power shall not exceed 230 W Maximum combined load on 5 VDC and 3 3 VDC shall not exceed 170 W The total power of all voltages other than 12 VDC must not exceed 158 W VFP volts flea power sometimes called standby power Pin Assignments for the DC Power Connectors The power supply output voltages can be measured at the back wire side of the connectors without disconnecting them Figures 1 6 1 7 and 1 8 show the wire side of the connectors 1 10 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual 5 VDC white 5 VDC red common black 5 VDC red commo
39. nstructions on using the Dell diagnostics to test the computer system Warnings Cautions and Notes 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 WARNING A WARNING indicates the potential for bodily harm and provides instructions for how to avoid the problem CAUTION A CAUTION indicates either potential damage to hardware or loss of data and provides instructions for how to avoid the problem NOTE A NOTE provides helpful information about using the computer system apter System Overview The Dell PowerEdge 2100 180 and 2100 200 systems covered in this man ual are high speed upgradable server systems which use the Intel Pentium Pro family of microprocessors PowerEdge 2100 systems incorporate the high performance peripheral component interconnect PCI local bus as well as the extended industry standard architecture EISA expansion bus These buses are built into the system board which also integrates a Pentium Pro microprocessor and all other elements of the basic computer system The microprocessor module is installed in a zero insertion force ZIF socket on the system board This allows upgrading of the system board to a faster more powerful microprocessor when one becomes available Contact Dell for infor mation about Dell supported microprocessor upgrades The
40. o initiate a hardware reset close any open application program and any files if possible System Overview 1 3 1 4 system power supply cable contro panel assembly diskette drive CD ROM drive third drive bay internal hard disk drive cage Figure 1 3 Front Right Side Internal View Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual diskette controller power cables control panel cable SCSI cable system cooling fan system board mounting plate voltage selection switch externally accessible drive bays 3 AC power input connector SCSI hard disk drive cage SCSI cable connectors hard disk drive power cables system board Figure 1 4 Back Left Side Internal View System Overview 1 5 System Memory System memory has a minimum of 16 MB of 72 bit wide buffered EDO type memory The system memory capacity can be expanded up to 256 MB by using combinations of 16 32 and 128 MB buffered EDO type dual in line memory modules DIMMs The system board has four 168 pin DIMM sockets The DIMMs can be mixed The socket population rules are as follows Populate the DIMM sockets in order from DIMM_A lower to DIMM D upper The DIMMs should be rated at 60 nanoseconds ns or faster of the sys tem memory operates at the speed of the slowest DIMM installed The largest capacity DIMM should be in socket DIMM with the smaller
41. ombinations A 3 Me ee NE DE MURDER B UE A 3 Boot Options SUBMENU oce se ees cte RS a UR MR A 5 Advanced Ment us ode dh rho eo ete S deti I Lak A 6 Security ER ew heir ined A 8 EXIt MenDUis o Ae o reto Ene iter Ere Ee RU ERR Ove e nce erbe A 10 Index Figures Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 1 7 Figure 1 8 Figure 1 9 Figure 1 10 Figure 1 11 Figure 1 12 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Computer Orientation 1 3 Front Bezel Features 1 3 Front Right Side Internal View 1 4 Back Left Side Internal View 1 5 SCSI Termination Jumper 1 9 DC Power Connector 1 1 11 DC Power Connectors P2 P4 P5 and 1 11 DC Power Connectors PL cives es ea see ae ede ewes 1 12 DE Power Cablese oro oet oe ee 1 12 DC Power 1 1 1 13 System Board Components 1 14 System Board Jumpers eon 5 ed ar X eat CDU 1 15 Computer Cover 1 4 3 Front Bezel 1 4 4 Front Bezel Insert 1
42. output buffer is full IRQ13 Generated by math coprocessor to indicate coprocessor error IRQ14 Available for use IRQI5 Available for use System Overview 1 17 DMA Channel Assignments Table 1 4 DREQ Line Assignments DREQ Line Used By Available DREQO DREQI DREQ2 DREQ3 DREQ4 DREQS DREQ6 DREQ7 Available Available Generated by super I O controller to initiate DMA cycle for attached diskette drive Available Generated by bus controller chip to activate second DMA con troller Available Available Available 1 18 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Technical Specifications Table 1 5 Technical Specifications Microprocessor Microprocessor type Intel Pentium Pro microprocessor Microprocessor speed 200 or 180 MHz Internal cache 256 KB Math coprocessor internal to the microprocessor System Information System chip set Intel 440FX controller chip set Data bus width 64 bits Address bus width 32 bits Expansion Bus Bus PCI EISA Bus speed PCI 30 MHz with the 180 MHz microprocessor 33 MHz with the 200 MHz microprocessor EISA 7 5 MHz with the 180 MHz microprocessor 8 33 MHz with the 200 MHz microprocessor PCI expansion card conmnectors three no shared expansion card slots EISA expansion card connectors three no shared expansion card
43. port 2 top connectors SERIAL top of the computer 3 volt power connector POWERSV An DIMM connectors DIMM_A power connector POWER control panel connector PANEL c diskette tape drive interface microprocessor socket connector FLOPPY cre parallel port connector g lower DIMM B DIMM C SS PARALLEL and DIMM_D video connector JVGA auxiliary fan connector 22 PCI connectors a lower 5 and FOR EISA connectors server management EISA1 lower EISA2 and EISA3 connector Figure 4 12 System Board Components 4 14 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual DIMMs securing clip 2 Figure 4 13 DIMM Removal To remove a DIMM push outward on the DIMM socket s securing clips until the DIMM is released from its socket Then lift the DIMM away from the socket N DIMM EljJ PN SERENO 2 1 Figure 4 14 DIMM Installation To replace a DIMM press outward on the securing clips at each end of the socket until they snap open Orient the DIMM to the socket and press down on the outer edges of the DIMM with your thumbs while pulling up on the securing clips until they lock around the ends of the DIMM Removing and Replacing Parts 4 15 Microprocessor Heat Sink Assembly heat sink microprocessor securing clip hooks over tabs on
44. re 4 12 The PANEL connector is near the top of the system board on the right side of the computer chassis 2 Remove the screw holding the control panel assembly to the front of the computer chassis 3 Lift the control panel assembly out of the two chassis tabs 4 Remove the control panel assembly cable from the hole in the chassis 4 6 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual Dri ves Figure 4 5 shows an example of drive hardware that can be installed in the com puter Refer to this figure when you perform any of the procedures in the following subsections 3 5 inch diskette drive zl diskette drive interface cable diskette drive interface connector FLOPPY CD ROM arive SCSI connector SCSI lower externally accessible drive bay optional drive DC power cables SCSI interface cable SCSI hard disk drives Figure 4 5 Drive Hardware Removing and Replacing Parts 4 7 Externally Accessible Drives 3 5 inch diskette drive in top bay CD ROM drive in middle bay lower bay position for optional drive E JA S drive release tab 2 Figure 4 6 Externally Accessible Drives Removal of the externally accessible drives have drive mounting rails The 3 5 inch drives also have drive mounting extensions between the drive and the drive mounting rails To remove a drive assembly from one of the externally accessible drive bays fo
45. rive bays at the front of the computer see Figure 1 4 The SCSI hard drive cage can contain up to three 1 6 inch high SCSI hard disk drives either fast wide or ultra fast 20 wide These SCSI hard disk drives mount vertically The SCSI hard disk drive bays are populated from left to right facing the front of the computer so that the SCSI terminator jumper is accessible on the leftmost drive installed last drive on the SCSI channel NOTE The externally accessible drive bays at the front of the computer are normally used for diskette drives CD ROM drives and or tape drives Hard disk drives should be installed in the SCSI hard disk drive cage For detailed information about installing externally accessible drives see Chapter 8 Installing Drives in the External Bays in the User s Guide For detailed information about installing SCSI hard disk drives see Chapter 9 Installing Drives in the Internal Bays in the User s Guide SCSI Configuration Guidelines Although SCSI devices are installed essentially the same way as other devices their configuration requirements are different To configure your SCSI sub system follow the general guidelines offered in the following subsections System Overview 1 7 SCSI ID Numbers Each device attached to the SCSI host adapter must have a unique SCSI ID number from 0 to 15 See Chapter 9 Installing Drives in the Internal Bays in the User s Guide for additional SCSI addressi
46. s Altitude Operating 16 to 3048 m 50 to 10 000 ft Storage 16 to 10 600 m 50 to 35 000 ft System Overview 1 21 1 22 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual hanter 2 asic Troubleshooting B Tiis chapter describes basic troubleshooting procedures that can help you diagnose a computer system problem These procedures can often reveal the source of a problem or indicate the correct starting point for troubleshooting the system A brief explanation of how to load and start the diskette based diagnos tics is located at the end of the chapter Dell recommends that you perform the following procedures in the order they are presented in this manual Initial User Contact When you first contact a user who has a problem ask the user to describe the problem and the conditions under which it occurs A verbal description can often indicate the cause of a problem or indicate the appropriate troubleshooting procedure to use After the user describes the problem follow these steps 1 Ask the user to back up any data on the hard disk drive if the system s condition permits Appendix C Maintaining the System in the User s Guide provides infor mation about backing up data 2 Ask the user to try to duplicate the problem by repeating the operations he or she was performing at the time the problem occurred Can the user duplicate the problem Yes Proceed to step 3 No
47. skette drive Run the System Setup drive B type does not match the program to restore your Run Setup diskette drive type system configuration stored in the config uration data Keyboard A cable may be Defective keyboard error loose or the key keyboard cable or board may be faulty system board Stuck key A cable may be Defective keyboard or loose or the key keyboard cable board may be faulty System One or more Reseat the DIMMs or Shadow RAM DIMMs may be replace the DIMMs failed at improperly seated or offset faulty Beep Codes and Error Messages 3 3 3 4 Table 3 2 System Error Messages Continued Message Definition Probable Causes Operating system not found The system did not find a bootable oper ating system Use a diskette with a bootable operating system on it in drive A or load a bootable operating system from the hard disk drive system cache error Cache dis abled The microprocessor chip malfunctioned Defective micro processor or system board System timer error A chip on the sys tem board malfunc tioned Defective micro processor or system board Real time clock error The real time clock on the system board Defective micro processor or system malfunctioned board Keyboard A cable may be Defective keyboard controller loose the keyboard keyboard cable or error may be faulty or the system board key
48. socket front and back Mew NN xL 9 A socket socket release 7 lever microprocessor Figure 4 15 Microprocessor Securing Clip Removal To remove the microprocessor heat sink assembly follow these steps 1 Remove the system board assembly 2 Lay the system board assembly on a flat surface 3 Remove the microprocessor securing clip from the microprocessor heat sink assembly WARNING The microprocessor can get extremely hot during sys tem operations Be sure it has had sufficient time to cool before touching it Press down on the folded part of the clip with a small screwdriver to release the clip 4 Push outward and then upward on the release lever to rotate the lever to its fully vertical position 5 Lift the microprocessor heat sink assembly out of its socket see Figure 4 16 4 16 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual microprocessor 4 securing clip heat sink thermal interface pad attached to the heat sink gt microprocessor pin 1 corner of m 2 front tab Figure 4 16 Microprocessor Heat Sink Assembly microprocessor socket The heat sink and microprocessor are separate Look at the bottom side of the heat sink and peel the thermal pad protective cover off before attaching the heat sink to the microprocessor To install the replacement microprocessor heat sink assembly ensure that the micro proces
49. sor release lever is in its fully vertical position to allow the microprocessor pins to easily slip into the socket When the microprocessor heat sink assembly is in place rotate the microprocessor release lever to its horizontal position NOTE Pin 1 on the microprocessor is located on the corner with the largest bevel The pin 1 hole in the microprocessor socket is located on the corner where the holes are in a diagonal pattern Hook the microprocessor securing clip over the socket tab nearest the front of the system board and then snap it over the tab on the back of the socket Removing and Replacing Parts 4 17 System Battery battery 69 SED Figure 4 17 System Battery Removal BATTERY socket WARNING There is a danger of the new battery exploding if it is in correctly installed Replace the battery only with the same or equivalent type recommended by the manufacturer Discard used batteries accord ing to the manufacturer s instructions To remove the system battery follow these steps 1 If possible enter the System Setup program and make a printed copy of the System Setup screens see Appendix A 2 Lay the computer on its right side 3 Remove any expansion cards installed in the PCI expansion card slots Be sure to record the location of any cables attached to the PCI cards being removed 4 Remove the battery Carefully pry the battery out of its socket with your fingers or with a blunt noncond
50. tegrated server management circuitry that monitors operation of the sys tem cooling fan for running or not as well as critical system voltages and temperatures 3 5 inch diskette drive and a CD ROM drive standard in externally accessi ble drive bays Recessed power and reset buttons to prevent accidental system interruptions New quick test feature in the diskette based diagnostics for more informa tion about QUICK TEST see Running the Diskette Based Diagnostics in Chapter 2 All of these features except the new quick test feature are briefly described in this chapter For a complete list of system features see Technical Specifications found later in this chapter 1 2 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual When following the text in this manual assume that the location or direction relative to the computer is as shown in Figure 1 1 back of computer left side a right side front of computer Figure 1 1 Computer Orientation 3 5 inch diskette drive diskette drive access indicator Ts power button CD ROM 55 Q _ vm A TS a power indicator third drive bay reset button Figure 1 2 Front Bezel Features CAUTION To avoid possible data or file structure corruptions the front bezel reset button should be used only when the system cannot be rebooted by pressing lt CTRL gt lt ALT gt lt DEL gt Before you use the reset button t
51. ter 2 Plug and Play ISA or PCI expansion card System con figuration data write error The system board may be malfunction ing Defective system board System mem ory size has changed Run Config uration Utility A DIMM was added or removed The DIMMs are improp erly seated Reseat the DIMMs or replace the DIMMs Beep Codes and Error Messages 3 5 3 6 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual This chapter provides procedures for removing the components assemblies and subassemblies in the computer Unless otherwise noted each procedure assumes the following You have performed the steps in Precautionary Measures found later in this chapter You have removed the computer cover You can replace or reinstall a part by performing the removal procedure in reverse order unless additional information is provided Recommended Tools Most of the procedures in this chapter require the use of one or more of the fol lowing tools e Small flat blade screwdriver e Wide flat blade screwdriver e Number 1 and number 2 Phillips head screwdrivers 4 inch nutdriver Tweezers or long nose pliers Also use a wrist grounding strap as explained in the next section Precaution ary Measures Removing and Replacing Parts 4 1 Precautionary Measures Before you perform any of the procedures in this chapter take a few moments to read the following warnin
52. the next section Observing the Boot Routine Observing the Boot Routine After you have performed an external visual inspection as described in the pre vious section you should boot the system and while the boot routine is running observe the system for any indications of problems 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 1 Insert the diagnostics diskette into drive A Turn on all peripherals and the system unit If the system unit is already on press the reset button or lt CTRL gt lt ALT gt lt DEL gt 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 light up and remain on Do these indicators flash on and off within approximately ten seconds after the boot routine starts Yes Proceed to step 4 No Troubleshoot the system power supply If the troubleshooting procedure indicates that the system power supply is operational troubleshoot the memory Basic Troubleshooting 2 3
53. ucting object such as a plastic screwdriver To replace the system battery orient the new battery with the facing up Insert the battery into its socket and snap it into place Compare the system con figuration information with the copy of the system configuration settings you made in step 1 Restore any system configuration information lost while replacing the battery 4 18 Dell PowerEdge 2100 180 and 2100 200 Systems Service Manual System Board Assembly system board cables system board assembly system board assembly mounting screws 4 Figure 4 18 System Board Assembly Removal To remove the system board assembly follow these steps 1 gt m om Disconnect all cables from their connectors at the back of the computer Be sure to record where each cable is attached Remove all of the expansion cards Lay the computer on its left side Remove the four system board assembly mounting screws Remove the system board assembly from the chassis as follows a Slide the system board assembly about a half inch toward the front of the system to free the connectors at the back of the system board b Raise the top of the system board assembly up enough to allow access to the system board cables c Disconnect the power cables the control panel cable the diskette drive interface cable system cooling fan cable and the SCSI interface cable Lift the system board assembly away from the computer chassis
54. unning the Diskette Based Diagnostics The diskette based diagnostics included with the system contain tests that aid in troubleshooting all major components of the computer system CAUTION To prevent damage to the original diagnostics diskette always use a backup copy of the diagnostics diskette when servicing a user s system Dell recom mends that users make several copies of this diskette to ensure that one is always available To start the diagnostics turn off the system unit insert a diagnostics diskette into drive A and then turn on the system unit Starting the diagnostics causes the Dell logo screen to appear on the monitor screen followed by a message indicating that the diagnostics is loading Before the diagnostics loads a program tests the portion of main memory RAM required for loading the diagnostics If a main memory error is detected a mes sage appears on the screen telling you which DIMM has failed If no errors are found in main memory the diagnostics loads and the Diagnos tics Menu appears This menu lets you choose the following options or exit to the Microsoft 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 SPECIFIC TESTS Tests a particular area or subsystem Getting Help If none

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