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Dell 180 User's Manual

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1. a DIMM sockets video connector aaa DIMM A top DIMM H MONITOR ial t server management 7 afk fan connectors serial port connector Ay FAN1 FAN2 FAN3 enone Ee a speed and configuration parallel port connector J QE ao S A jumpers PARALLEL SOS DQ DG serial port 2 connector SERIAL2 primary microprocessor serial port 1 connector 7 socket PROCESSOR1 SERIAL1 e TEE A y power supply connector mouse connector POWER3 MOUSE keyboard connector secondary microprocessor server management bus KEYBOARD socket PROCESSOR2 connector SMB BACKPLANE Figure 4 16 System Board Components Removing and Replacing Parts 4 17 Expansion Cards card slot opening card mounting bracket retaining screw expansion card locking card guide Figure 4 17 Expansion Card Removal To remove an expansion card follow these steps 1 Remove the left computer cover 2 Disconnect any cables connected to the expansion card 3 4 Remove the retaining screw from the card mounting bracket If the card is a full length expansion card unlock the locking cam on the locking card guide Grasp the expansion card by its corners and carefully remove it from the expansion card connector 4 18 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual DIMMs BS A DIMM securing clip 2 a 2 1 Figure 4 18 DIMM Removal T
2. Main Advanced Security Exit Boot Options Item Specific Help Boot Sequence A then C Determines the order Setup Prompt Enabled of drives from which the system tries to POST Errors Enabled boot Diskette Drive Check Enabled Reset Button Enabled Fl Help j 4 Select Item Change Values F9 Setup Defaults ESC Exit Select Menu Enter Select Sub Menu gt F10 Previous Values Figure A 2 Boot Options Submenu Table A 3 Boot Options Submenu Categories Category Function Boot Sequence Determines the sequence in which the drives are searched to find the boot pro gram after power on Setup Prompt Enables or disables the Pr ess lt F2 gt to enter Setup message during boot Post Errors Enables or disables the Pr oss lt Fi gt to resume lt F2 gt to enter Setup message during boot Diskette Drive Check Enables or disables checking for type of diskette drive during boot Reset Button Enables or disables the reset button on the front bezel System Setup Program A 5 Advanced Menu Dell System PowerEdge 4100 200 Setup BIOS Version AXX Main Advanced Security Exit Serial Port 1 3F8 IRQ 4 Item Specific Help Serial Port 2 2E8 IRO 3 Parallel Port 378 mo 71 a es Parallel Mode Output only Diskette Controller Enabled On Board SCSI A Enabled On Board SCSI B Enabled PCI Scan Sequence Embedded devices first Use MP
3. CAUTION To maintain proper airflow and prevent the system from overheating each power supply bay must have either a power supply or a power closeout panel installed 1 Turn the locking switch on the power supply to the Off position marked by a 0 2 Unhook the cable strain relief to free the AC power cable 3 Disconnect the AC power cable from the power outlet then disconnect the other end of the cable from the power supply 4 Turn the insertion screw counterclockwise to release the power supply 5 Slide the power supply out of the chassis To replace a power supply perform these steps in reverse order Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Power Supply Paralleling Board cables a SS y PA AS A 2 thumb screw TLE A YIA Vy power supply 2 JAAA A 7 power supply paralleling board insulator hook slots 11 power supply paralleling board Figure 4 12 Power Supply Paralleling Board Removal Redundant Systems To remove a power supply paralleling board follow these steps WARNING Disconnect both power supplies from their AC power source to prevent the possibility of getting shocked 1 Disconnect the power supplies from the power supply paralleling board by sliding each power supply toward the back of the computer approxi mately 1 inch 2 Disconnect all cables from the power supply paralleling board 3
4. internal to the microprocessor System Information System chip set Intel Natoma 82440FX set Data bus width 64 bits Address bus width 32 bits Flash EPROM 4 Mbits Expansion Bus Bus types 4 s6 8 064 neeas PCI and EISA Bus speeds i i0 icc hesind PCI 30 MHz 180 60 processor 33 MHz 200 66 processor EISA 7 5 MHz 180 60 processor 8 33 MHz 200 66 processor PCI expansion card connectors 0 five EISA expansion card connectors 00 three EISA expansion card connector Size 198 pins EISA expansion card connector data width maximum 32 bits PCI expansion card connector Size 120 pins PCI expansion card connector data width maximum 32 bits 1 24 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Table 1 5 Technical Specifications continued System Clocks System clock s22 44 0 60 or 66 MHz matches external processor bus speed Diskette communications POTS eat o ee na te 24 MHz from the system clock Memory Architecture 72 bit noninterleaved DIMM sockets eight DIMM capacities 32 and 128 MB EDO mode Standard RAM 64 MB Maximum RAM 1024 MB 1 GB BIOS address F000 0000h F0000 FFFFh Drives Externally accessible bays four 5 25 inch bays for half height diskette dr
5. 3 V CR2450N coin cell Physical Hesht at Soe eee Ea 52 5 cm 21 inches Widhe Sear ee ee ek 39 4 cm 15 75 inches Depthhii 0e eee heorigebicd 57 5 cm 23 inches Weight ci iccedeeriigekas 45 kg 100 Ib or more depending on options installed Environmental Temperature Operating 10 to 35 C 50 to 95 F Storage i ie ni eeres 40 to 65 C 40 to 149 F Relative humidity Maximum vibration Operating 2 2 aw eens Storage oA oo tea Sew Maximum shock Operating Storage 8 to 80 noncondensing 0 25 G at 3 to 200 Hz for 30 min 0 5 G at 3 to 200 Hz for 30 min half sine wave form 50 G for 2 ms half sine wave form 110 G for 2 ms square wave form 27 G for 15 ms System Overview 1 27 Table 1 5 Technical Specifications continued Environmental continued Altitude Operating 4 cacan heseat 16 to 3048 m 50 to 10 000 ft Storage bs ban ea dress 16 to 10 600 m 50 to 35 000 ft 1 28 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Troubleshooting This 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 system diagnostics is located near the end of this chapter Dell recommends that you perform the fol lowing procedures in th
6. 5 VDC red SW1 12 VDC red 3 3 VDC orange Fail LED cathode red Good LED cathode green g J15 P5 Good LED anode green Fail LED anode red 5 VDC red FAN_TACH gray SW1 Figure 1 10 DC Power Connector J15 P5 1 14 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual DC Power Distribution Nonredundant System Figures 1 11 provides information about DC power distribution for the nonredundant PowerEdge 4100 system P 1 system board keyboard controller P1 5 NRLED Ee PWRGOOD PSON IPSON power RTC battery m m 5 VFP 5 VFP age o vran T 3 3 VDC FOI power 5 VDC 5 VDC 5 VDC through supply 1 5 VDC 5 VDC 12 VDC PCI8 12 VDC 12 VDC 12 VDC 12 VDC 12 VDC 3 3 VDC 3 3 VDC 5 VDC EISA1 5 VDC through P 2 12 VDC EISA3 12 VDC 12 VDC n battery 3 VDC P3 5 VFP 12 VDC main memory PWRGOOD 5 VDC sockets __4 5 VFP to SCSI backplane 3 3 VDC 12 VDC FAN1 DDBP 12 VDC flrano 12 VDC 5 VDC DIMM A 12 V
7. common black 5 VFP violet 10 11 12 13 14 15 16 17 18 FAN_TACH gray all NC_NRLED PWRI E E Cal CoC Le e E AIRE Eeee 12 VDC blue L BAT_V gray 5 VDC white PRES_DET gray PWR_STAT_BIT gray NC_ 12 sense 1 C_SDA gray 5 VDC sense red 1 C_SCL gray Figure 1 13 DC Power Connector PWR1 3 3 VDC orange common black 3 3 VDC orange common black 12 VDC yellow common black common black 3 3 VDC orange 12 VDC yellow common black a 11 12 13 14 15 16 17 18 19 20 pwpo KIEIEIAIAIAAAI pwe3 SISSIES 1 23 4 56 7 8 9 10 5 VDC red common black common black 5 VDC red 5 VDC red common black common black 5 VDC red 5 VDC red common black Figure 1 14 DC Power Connector PWR2 and PWR3 System Overview 1 17 common black common black common black common black common black common black B common black 8 9 10 11 12 13 14 PWRSCSI DDBP 12 VDC yellow __ 12 VDC yellow 5 VDC red 5 VDC red 12 VDC yellow 12 VDC yellow 5 VDC red Figure 1 15 DC Power Connector PWRSCSI DDBP 12 VDC yellow common black common black 5 VDC red PWRFD FD1 FD4 1 2 3 4 5 VDC red common black common black 12 VDC yellow 1 Wires 1 through 4 are connected to FD1 and FD2 Wires 5 through 8 are connected to FD3
8. Diskette Drive B Identifies type of diskette drives installed Category options always match physical locations of drives in system Tape drives are not reflected in these categories Fast Video BIOS Enables shadowing and caching the BIOS for the video controller Memory Cache Enables or disables the cache memory in the microprocessor Boot Sequence Displays a submenu See the next subsec tion Boot Options Submenu Num Lock Determines whether keyboard s Num Lock mode is activated at boot Speaker Enables or disables the system speaker Processor 1 Displays type of microprocessor installed in PROCESSOR1 socket Processor 2 Displays type of microprocessor installed in PROCESSOR socket Level 2 Cache Displays amount of level 2 cache memory in the microprocessor Base Memory Displays amount of memory available to MS DOS programs that do not use extended or expanded memory Extended Memory Displays amount of memory available as extended memory Video Memory Displays amount of video memory installed on the system board Service Tag Displays system s five character service tag number Asset Tag Displays the asset tag number up to ten characters if one is assigned Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Boot Options Submenu Dell System PowerEdge 4100 200 Setup BIOS Version AXX
9. The eight expansion card slots include three EISA expansion card connectors and five PCI expansion card connectors The expansion card connectors are located on the system board see Figure 1 18 Integrated Server Management The system board contains integrated server management circuitry that moni tors critical system voltages and temperatures as well as the operation and speed of the system cooling fans The integrated server management circuitry works in conjunction with the Intel LANDesk Server Management suite 1 8 Dell PowerEdge 4100 180 and 4100 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 DRAM memory the video memory size is not upgradable Maximum noninterlaced resolutions are 640 x 480 pixels with 16 7 million col ors 800 x 600 pixels with 65 536 colors and 1024 x 768 pixels with 256 colors Integrated SCSI Controllers A built in Adaptec 7880 Ultra Wide SCSI controller provides an ultra wide fast SCSI interface via a 68 pin connector on the system board This SCSI controller attaches to the PCI bus to provide a high performance SCSI bus and also con trols the six SCSI hard disk drives in the SCSI hard disk drive bays In the standard Dell PowerEdge 4100 system configuration the Ultra Wid
10. the activity LED is activated when the controller spins up the drive 4 10 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Scsi Backplane Board hard disk drive carrier thumb scre hook 10 SCSI backplane board Figure 4 10 SCSI Backplane Board Removal To remove the SCSI backplane board follow these steps 1 Disconnect the hard disk drive carrier connectors from the SCSI back plane board by sliding each carrier toward the front of the computer approximately 1 inch 2 Disconnect all cables from the SCSI backplane board 3 Unscrew the thumb screw 4 Disengage the board from the ten hooks holding the board to the com puter chassis and lift the board away from the computer An insulator similar to the one for the power supply paralleling board in Figure 4 12 is attached to the back of the SCSI backplane board with two adhesive strips Removing and Replacing Parts 4 11 4 12 Power Supply The computer may have one or two power supplies power closeout panel power supply optional power supply cable strain relief insertion screw AC power cable connector locking switch Figure 4 11 Power Supply Removal To remove a power supply follow these steps WARNING In a redundant system you can remove and replace a power supply without turning off the system When doing so be careful not to touch any of the connectors on the power supply paralleling board
11. 4100 180 and 4100 200 Systems Service Manual 5 VDC red 5 VDC red 5 VDC white _ ____ 5 VDC red common black 5 VDC red common black 5 VDC red 3 3 VDC orange common black Pson gray jy 3 3 VDC orange 13 14 15 16 17 18 19 20 21 22 23 24 ney EARRAS SISSIES 1 23 4 5 6 7 8 9 10 11 12 5 VDC red m ___ 3 3 VDC orange common black 3 3 VDC sense orange 5 VDC sense red common black sense black common black PWRGOOD orange 12 VDC blue 5 VFP purple 12 VDC yellow Pin 13 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 the ranges specified in Table 1 1 Figure 1 8 DC Power Connector J11 P1 System Overview 1 13 5 VDC red common black common black common black common black common black common black common black 7 i 5 VDC red 10 11 12 13 14 15 16 17 18 J12 P2 J13 P3 J14 P4 1 2 3 4 5 6 7899 5 VDC red zl L 3 3 VDC orange 3 3 VDC orange 12 VDC yellow 12 VDC yellow 5 VDC red 5 VDC red Figure 1 9 DC Power Connectors J12 P2 J13 P3 and J14 P4 3 3 VDC orange
12. DIMM installed e DIMMs of both capacities can be installed in the system However the larger capacity DIMMs should be installed in the top sockets beginning with socket DIMM A with the smaller capacity DIMMs installed after wards in order toward socket DIMM H The 72 bit wide buffered EDO DIMMs support the ECC feature which detects memory errors and corrects single bit memory errors The ECC feature pro vides more reliable memory and less downtime and 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 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 Config uration Utility in the Dell PowerEdge 4100 180 and 4100 200 Systems User s Guide describes the EISA Configuration Utility and provides instructions for using it to configure the system
13. Specification 1 4 PS 2 Mouse Enabled Fl Help ij 4 Select Item aft Change Values E9 Setup Defaults ESC Exit Select Menu Enter Select Sub Menu gt F10 Previous Values Figure A 3 Advanced Menu A 6 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Table A 4 Advanced Menu Categories Category Function Serial Port 1 or Serial Port 2 Configures system s built in serial ports Parallel Port Configures system s built in parallel port The port s I O address may be set to 278H IRQS 3BCH IRQ7 378H IRQ7 Otherwise the port may be disabled Parallel Mode Controls whether system s built in parallel port acts as an AT compatible Output Only PS 2 compatible Bidirectional or ECP extended capabilities port Diskette Controller Enables system s built in diskette controller On Board SCSI A Enables or disables the built in SCSI 7880 Ultra Wide controller and determines if it is scanned as a boot drive On Board SCSI B Enables or disables the built in SCSI 7860 Ultra Narrow controller and determines if it is scanned as a boot drive PCI Scan Sequence Determines the sequence the PCI devices are scanned to find a boot device default is Embedded devices first Use MP Specification Determines the microprocessor specification revision level either 1 1 or 1 4 default PS 2 Mouse Enables or disables the built in mou
14. Unscrew the thumb screw 4 Disengage the board from the eleven hooks holding it to the computer chassis and then lift the board away from the computer Removing and Replacing Parts 4 13 Power Connector Panel Ny SANS power supply SAN c SSNs SSIS ae D SSS en SSS re Hadi rs TN A x yes Y 9 g 3 power connector panel cables 5 power connector panel hook slots 4 Figure 4 13 Power Connector Panel Removal Nonredundant Systems To remove the power connector panel follow these steps 1 Disconnect the power supply from the power connector panel by sliding the power supply toward the back of the computer approximately 1 inch 2 Disconnect all power connector panel cables from the system board the SCSI backplane board and so forth 3 Unscrew the retainer screw 4 Disengage the panel from the four hooks holding it to the computer chassis and then lift the panel away from the computer 4 14 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Control Panel NS at Lil oe gt AN WWD WD WD AND N connector BP_to_CP Figure 4 14 Control Panel Removal To remove the control panel follow these steps 1 Remove the screw holding the control panel to the chassis 2 Disconnect the cable from connector BP_to_CP 3 Disengage the panel from the four hooks holding the panel to the computer chassis and lift the panel away from the computer R
15. an unpainted metal sur face such as a part of the back panel 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 Computer Covers screw 6 I t I Figure 4 1 Computer Covers Removal 4 2 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual To remove a computer cover follow these steps 1 Turn the cover s keylocks on the back panel of the computer to the unlocked position see Figure 4 2 keylock 2 Figure 4 2 Keylocks on Computer s Back Panel 2 Loosen the three screws along the back edge of the cover see Figure 4 1 3 Slide the cover toward the back of the computer an inch or so Then grasp the top of the cover at both ends and lift it straight away from the chassis Removing and Replacing Parts 4 3 Front Bezel SS tab 4 PS front bezel Figure 4 3 Front Bezel Removal To remove the front bezel follow these steps 1 Remove the computer covers 2 Release the two tabs on each side of the bezel 3 Slide the front bezel toward the front of the computer 4 4 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Drives Figure 4 4 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 s
16. right arrow key Up arrow key or down atrow key lt Tab gt lt Shift gt lt Tab gt lt Home gt or lt End gt lt F5 gt or lt gt lt F6 gt or lt gt or lt Spacebar gt lt F9 gt lt Alt gt lt d gt lt F10 gt lt Enter gt lt Alt gt lt r gt Displays the general help window Displays the Exit menu or the parent menu if you are in a submenu Selects a different menu Moves the cursor up or down Moves the cursor to the next field Moves the cursor to the previous field Moves the cursor to the top or bottom of the window Selects a lower value for the field Selects a higher value for the field Sets the default configuration values for the current menu Loads the default System Setup values for all menus Loads previously stored configuration values for the current menu Executes a command or selects a submenu Refreshes the screen Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Screen Color Combinations In addition to its text a field s color identifies the type of information it con tains as follows e Black on cyan Headers and footers including the title box at the top of the screen and the key functions box at the bottom of the screen e Blue on white Configuration information that cannot be changed by the user such as category titles e Black on white Fields that can be changed by the user but are not selected Also used for help messa
17. source of the problem See Running the System Diagnostics in Chapter 2 POST Beep Codes If the monitor cannot display error messages during the POST the system may emit a series of beeps that identifies the problem or that can help you identify a faulty component or assembly Table 3 1 lists the beep codes that may be gener ated during the POST Most beep codes indicate a fatal error that prevents the system from completing the boot routine until the indicated condition 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 CD based diagnostics to assist in troubleshooting the problem Table 3 1 Beep Codes Beep Code Error Probable Causes 1 2 Invalid expansion card Improperly seated expan ROM checksum sion card or system needs to be 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 system board Reseat DIMMs or replace system board 1 3 1 3 Keyboard controller Defective DIMMs or system error board Reseat DIMMs or replace system board Beep Codes and Error Messages 3 2 Table 3 1 Beep Codes continued Beep Code Error Probable Causes 1 3 3 1 No DIMM memory Defective DIMMs or system installed board Reseat DIMMs or replace system board 1 3 4 1 DRA
18. 4 MB 1 GB e Hot pluggable SCSI backplane supporting up to six hard disk drives Optional redundant hot pluggable power supplies System Overview 1 2 Error correction code ECC feature built into the memory controller on the system board Advanced combination EISA and PCI expansion subsystem Five PCI and three EISA expansion card slots none 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 wide and ultra narrow SCSI controllers Integrated server management circuitry that monitors critical system volt ages and temperatures as well as the operation of the system cooling fans CD ROM drive standard in an externally accessible drive bay Recessed power and reset buttons to prevent accidental system interruptions New quick test feature in the system diagnostics All of these features except the new quick test feature are briefly described in this chapter For more information about the Quick Test option in the CD ROM based diagnostics see Running the System Diagnostics in Chapter 2 For a complete list of system features see Technical Specifications found later in this chapter For information about installing the PowerEdge 4100 syste
19. DC FAN3 through ies FD1 4 DIMM H 12 VDC rocessor 5 VDC 5 VDC aiten 8 VPC f mouse 43 3 VDC regulator 2 5 VDC KEYBOARD power connector panel core VCC 2 1 to 3 5 VDC PROCESSOR1 1 5 VDC GTL and regulator PROCESSOR2 P6 signal terminators NOTE A server management cable SCSI backplane 16 pin carries the 5 VFP from six drive bays CD ROM FLOPPY the system board to the SCSI backplane The control panel cable 30 pin carries the 5 VFP from the backplane to the control panel D 6 5 4 3 2 1 S control panel 5 VFP from SCSI backplane JA 0o00 0o00 000 000 000 O00 Q reset orof P TED speaker 3 X 6 LEDs Figure 1 11 Power Distribution Nonredundant System System Overview 1 15 Pin Assignments for the DC Power Connectors Redundant Systems The power supply output voltages for redundant systems can be measured at the connectors on the power supply paralleling board PWR1 PWR2 PWR3 PWRSCSI and PWRFD or at the connectors on the end of the wire bundles extending from these connectors PWR1 PWR2 PWR3 DDBP and FD1 FD4 D0 00 mea BE BD PWR1 D0 ia Ae PWRFD FD1 FD4 im imal ima il o PWR2 im mal ial ia PWR3 PWRSCSI DDBP diagnostics port Figure 1 12 Power Supply Paralleling Board Connectors 1 16 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual NC_3INH 3 3 VDC sense orange 3 3 VDC sense black common black POWER_GOOD gray
20. Dell PowerEdge 4100 180 and 4100 200 Systems SERVICE MANUAL Information in this document is subject to change without notice 1995 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 Intel Pentium and LANDesk are registered trademarks of Intel Corporation IBM is a registered trademark of International Business Machines Corporation MS DOS is a registered trademark of Microsoft 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 November 1996 P N 58562 Overview Ti Dell PowerEdge 4100 systems covered in this manual are high speed upgradable server systems which use the Intel Pentium Pro family of microprocessors PowerEdge 4100 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 integrates the microprocessor s and other elements of the basic computer system PowerEdge 4100 systems may have one or two Pen
21. M failure Defective DIMMs or system board Reseat DIMMs or replace system board 1 3 4 3 DRAM failure Defective DIMMs or system board Reseat DIMMs or replace system board 1 4 1 1 DRAM failure Defective DIMMs or system board Reseat DIMMs or replace system board 1 4 2 1 CMOS failure Defective system board 1 4 3 1 Memory controller or Defective DIMMs or system DIMM failure board Reseat DIMMs or replace system board 2 2 3 1 Unexpected interrupt Improperly seated expan sion card or system needs to be rebooted 3 2 2 1 Gate A20 failure Defective system board 4 2 4 4 4 2 4 3 Keyboard controller Defective DIMMs or system error board Reseat DIMMs or replace system board Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual System Error Messages Table 3 2 lists 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 usu ally be rebooted until an appropriate hardware change has been made Table 3 2 System Error Messages Message Definition Action System bat tery is dead Replace and run Setup System battery is dead Replace battery and run System Setup pro gram system CMOS Configuration data Run System Setup pro checksum is corrupted gram to restore your bad Run system configuration Se
22. Setup program The next time you boot up the BIOS configures your system according to the selections stored in CMOS Exit Without Saving Changes Exits the System Setup program without saving any of the changes you have made Get Default Values Loads the default values for each menu in the System Setup program Load Previous Values Loads the values previously stored in CMOS for each menu Save Changes Stores your changes in CMOS but does not exit the System Setup program System Setup Program A 11 A 12 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Index A AC power receptacle about 1 7 location on I O panel 1 7 B battery connector 4 17 illustrated 4 23 removing and replacing 4 23 BATTERY connector 4 17 beep codes 3 1 boot routine observing when troubleshooting 2 3 C cables DC power 1 12 card slot opening 4 18 carrier hard disk drive removal 4 9 CD ROM drive illustrated 4 5 removal 4 7 computer back right side internal view 1 6 front left internal view 1 5 orientation 1 3 technical specifications 1 24 configuration guidelines SCSI drives 1 9 configuration jumpers location on system board 4 17 connectors location on system board 4 17 control panel connector 4 17 illustrated 1 5 removal 4 15 cover system unit removal 4 2 D DC power about 1 11 connectors 1 12 1 16 pin assignments 1 12 1 16 DC p
23. WALA AL ALAA VOM x om om COCAC CACC AC EE exer jumpered unjumpered Figure 1 19 System Board Jumpers System Overview 1 21 Table 1 2 Jumper Descriptions Jumper Description Default Setting EISA EISA Configuration Utility Not installed utility settings are retained at system boot VGA Integrated video controller Installed controller is enabled PASSWD Password enable disable Installed password feature enabled CRDBIOS Reserved Not installed reserved do not change RSRVD2 Reserved Not installed reserved do not RSRVD1 change 200MHZ Microprocessor speed Installed only if the micro processor s internal speed is 200 MHz 180MHZ Microprocessor speed Installed only if the micro processor s internal speed is 180 MHz Interrupt Assignments Table 1 3 Interrupt Assignments IRQ Line Used Available IRQO Generated by system timer IRQ1 Generated by keyboard controller to indicate that keyboard s output 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 COM2 or COM4 IRQ4 for COMI or COM3 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 drive requires service IRQ7 Generated by super I O co
24. and FD4 Figure 1 16 DC Power Connector PWRFD FD1 FD4 1 18 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual DC Power Distribution Redundant System Figures 1 17 provides information about DC power distribution for the redun dant PowerEdge 4100 system PWR1 system board keyboard controller P 1 5 BATV POK PWRGOOD PSON PSON jake allt area oane 5 VFP 5 VFP ogc NVRAM 3 3 VDC PCI power 5 VDC 5 VDC 5 VDC through supply 1 5 VDC 5 VDC 12 VDC PCI8 12 VDC 12 VDC 12 VDC 12 VDC 12 VDC 3 3 VDC 3 3 VDC 5 VDC EISA1 5 VDC through PWR2 12 VDC EISA3 P 1 5 12 VDC 12 VDC ae s battery 3 VDC PSON 3 3 VDC VW REMOTE 5 VFP PWR3 5 VFP power 5 VDC 412 VDC main memory PWRGOOD supply 2 5 VDC 45 VDC sockets __ 5 VFP to SCSI backplane 12 VDC 3 3 VDC 12 VDC 12 VDC f rani 3 3 VDC PWRSCSI 12 VDC lranp PBF 12 VDC 12 VDC ho A FAN3 throug 5 VDC PWRFD i a processor 5 VDC f mouse Fi D 1 4 core 12 VDC on regu
25. ces in between Therefore regardless of whether you are installing internal or external devices use the fol lowing guidelines e A single SCSI device such as the standard CD ROM drive is terminated e If two or more SCSI devices are installed connect the devices as follows Attach one of the devices to the end connector on the SCSI cable and leave the terminator enabled on that device The other end of the SCSI cable connects to the computer s built in Ultra Narrow SCSI host adapter or to an optional SCSI host adapter card which needs no termination Disable the terminators on all other devices you attach to the cable The standard SCSI CD ROM drive is configured as the last device on the SCSI cable Therefore any additional devices attached to the cable should have their terminators disabled See the documentation provided with the SCSI device for information on dis abling the device s terminator 1 10 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual System Unit The following subsections provide service related information about the system unit System Power Supply The 500 W system power supply can operate from an AC power source of 90 to 265 VAC at 50 or 60 Hz When the power supply paralleling board is installed the power supplies are hot pluggable When the red LED on the power supply is lit except during power up it indicates that the power supply has failed see Figure 1 5 When the g
26. ckplane SCSI Backplane Connectors SCSI hard disk drive connection SOCKETS Ae eana euo ay Qeeur six 80 pin connectors SCSI controller one 68 pin connector POWER oti oS Std Ais oe ee one 14 pin connectors Video Video type o n sae eed es embedded PCI see User s Guide for specifications Video memory 1 MB Key Combinations lt Ctrl gt lt Alt gt lt Del gt reboots the system if running MS DOS a ee ere E starts System Setup program during POST only Controls and Indicators Reset control push button Power control push button Power indicator green LED Diskette drive access indicator soja need Boe green LED CD ROM busy indicator green LED SCSI hard disk drive online IMNGICAION iesirea yas a ee green LED 1 26 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Table 1 5 Technical Specifications continued Controls and Indicators continued SCSI hard disk drive activity indicator SCSI hard disk drive fault indicator Power supply 5 VDC online indicator Power supply failure green LED yellow LED indicator red LED flashes at power on stays lit in the event of a power failure Power DC power supply Wattage 500 W Heat dissipation 600 BTUs nominal Voltage sos ote Du OY 90 to 265 VAC at 50 or 60 Hz Backup battery
27. consult the documentation that accompanied the operating system System Setup Screens The System Setup program is a menu driven program Use the left and right arrow keys to move between the following four menus e Main menu Provides settings for the basic system configuration e Advanced menu Provides detailed settings for some system features e Security menu Provides settings for password status diskette access virus check reminder and system backup reminder e Exit menu Provides settings for saving and loading the configurations and options In addition to the initial menu selections some selections have submenus These selections are identified by an arrow to the left of the selection Screen Conventions Information on the System Setup screens is organized in four boxed areas see Figure A 1 e Title box Contains information about the system and menu selections Configuration options and system data box Lists configuration categories left column and settings or information right column e Help box Displays item specific help for the category whose field is cur rently highlighted e Key functions box Lists the System Setup keys and their functions System Setup Program A 1 Key Functions Table A 1 lists the System Setup keys and their functions Table A 1 Key Functions Key Combination Function lt F1 gt or lt Alt gt lt h gt lt Esc gt Left arrow key or
28. e SCSI host adapter on the system board controls the SCSI backplane board When used in combination with an optional PowerEdge Expandable RAID Controller host adapter card the SCSI backplane board allows you to remove and insert hard disk drives without shutting down the system External hard disk drives are not supported by the built in SCSI controller A built in Adaptec 7860 Ultra Narrow SCSI controller provides a SCSI inter face via a 50 pin connector to the CD ROM drive in the externally accessible drive bay and to any other SCSI drives installed in the other two bays SCSI Hard Disk Drives Six internal hot pluggable hard disk drive bays are located under the externally accessible drive bays at the front of the computer see Figure 1 4 These bays can contain up to six 1 to 1 6 inch high SCSI hard disk drives either fast wide or ultra fast wide NOTES 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 bays For detailed information about installing externally accessible drives see Chapter 9 Installing Drives in the External Bays in the Dell PowerEdge 4100 180 and 4100 200 Sys tems Installation and Troubleshooting Guide For detailed information about installing SCSI hard disk drives see Chapter 10 Installing Drives in the Internal Bays in the Installation and Tr
29. e 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 else 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 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 2 2 External Visual Inspection The external visual inspection consists of a quick inspection of the exterior of the computer the monitor the keyboard any peripherals and cables While per fo
30. ease lever microprocessor Figure 4 21 Microprocessor Securing Clip 2 Remove the heat sink 3 Push outward and then upward on the microprocessor release lever to rotate the lever to its fully vertical position CAUTION Be careful not to bend any of the pins when removing the microprocessor chip from its socket Bending the pins can per manently damage the microprocessor chip microprocessor chip microprocessor socket release lever Figure 4 22 Removing a Microprocessor Removing and Replacing Parts 4 21 4 Lift the microprocessor out of its socket To install the replacement microprocessor heat sink assembly ensure that the micro processor 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 Hook the micro processor 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 pin 1 corner gold finger and bevel Figure 4 23 Pin 1 Identification NOTE Pin I on the microprocessor is located on the corner with the largest bevel The pin I hole in the microprocessor socket is located on the corner where the holes are in a diagonal pattern If you are installing a new microprocessor and heat sink place the thermal interface pad that comes with the
31. el Figure 1 3 Front Left Internal View System Overview 1 5 external drive bays 4 diskette interface cable ultra narrow SCSI interface connector ultra wide SCSI power connector server management connector control panel connector power supply optional power supply SMB connector SCSI connector port Figure 1 4 Back Right Internal View 1 6 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual keylock power supply optional cable strain relief RA power supply p video connector server management serial port connector parallel port connector serial port 2 connector serial port 1 connector r60 LED mouse connector keyboard connector green LED AC power receptacle SMB connector Figure 1 5 I O Panel SCSI connector port security cable slot System Overview 1 7 System Memory The PowerEdge 4100 systems have a minimum of 64 MB of 72 bit wide buff ered EDO memory The system memory capacity can be expanded to 1024 MB 1 GB by using combinations of 32 and 128 MB buffered EDO dual in line memory modules DIMMs having gold connectors The system board has eight 168 pin DIMM sockets The socket population rules for the DIMMs are as follows Populate the DIMM sockets in order from DIMM A upper to DIMM H lower e The DIMMs should be obtained from Dell to guarantee compatibility All system memory operates at the speed of the slowest
32. emoving and Replacing Parts 4 15 Cooling Fans fan carrier catch cooling fan retention tab 2 Figure 4 15 Cooling Fan Removal To remove a cooling fan follow these steps NOTES This procedure can be performed with the computer turned on The middle fan is normally turned off by server management this fan is turned on only if one of the other fans fails 1 Remove the left computer cover 2 Disconnect the cooling fan s power cable from its respective FAN con nector on the system board 3 Press down the catch on the fan carrier and remove the fan carrier from the chassis 4 Remove the cooling fan from the fan carrier by releasing the two fan retention tabs inside the carrier 4 16 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual System Board Components The subsections that follow contain procedures for removing system board components diskette tape drive interface Ultra Narrow SCSI host adapter Ultra Wide SCSI host adapter connector FLOPPY connector SCSI2 CD ROM connector BACKPLANE SCS 1 ly connector EISA connectors a ae power supp EISA1 top EISA2 CEE CTE Aea POWER2 and EISA3 B power supply connector PCI connectors C 5 FOWERT PCI4 top PCI8 _ S A front of E system board battery connector BATTERY 4
33. ers list of 1 22 K KEYBOARD connector 4 17 keyboard connector location on I O panel 1 7 location on system board 4 17 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual M memory main 1 21 system 1 8 messages error 3 3 microprocessor release lever 4 21 removal 4 20 4 21 sockets 4 17 microprocessor cooling fans removal 4 16 MONITOR connector 4 17 MOUSE connector 4 17 mouse connector location on I O panel 1 7 location on system board 4 17 P padlock 4 3 PARALLEL connector 4 17 parallel port connector location on I O panel 1 7 location on the system board 4 17 PCI expansion cards 1 8 4 18 PCI expansion card connectors 4 17 Plug and Play ISA expansion cards 1 8 POST beep codes 3 1 power AC power receptacle 1 7 indicator 1 4 switch 1 4 power connector plate removal 4 14 power distribution diagram nonredundant system 1 15 redundant system 1 19 power supply about 1 11 connector configuration 1 12 connectors 4 17 DC voltage ranges 1 11 illustrated 1 12 removal 4 12 voltage output ranges 1 11 POWER connector 4 17 POWER connector 4 17 power supply paralleling board connector configuration 1 16 illustrated 1 16 removal 4 13 precautions 4 2 PROCESSORI connector 4 17 PROCESSOR connector 4 17 R REMOTE connector 4 17 reset button location on I O panel 1 4 resource conflicts eliminating 2 5 S SCSI BACKPLANE con
34. ges Bright white on white The highlight color for a category title that is selected Also used to highlight the function keys in the key functions box White on black The highlight color for an input field that is selected Main Menu configuration options and system data box help box title box Dell System PowerEdge 4100 200 Setup BIOS Version AXX Diskette Drive A Diskette Drive B Fast Video BIOS Memory Cache Boot Sequence Num Lock Speaker Processor 1 Processor 2 Level 2 Cache Main Advanced Security Exit Time 5 01 96 Item Specific Help Date May 04 1996 1 44 MB 3 5 inch Not Installed On and Cached Enable A then C On On Pentium Pro 200 Pentium Pro 200 512 KB Resets the time on the computer s internal clock Time kept ina 24 hour format Press lt Tab gt lt Shift Tab gt or lt Enter gt selects fields Y 4 Select Item Base Memory 640 KB Extended Memory 63 MB Video Memory 1 MB Service Tag AB12Z Asset Tag 123456789A Fl Help SAF Change Values F9 Setup Defaults key functions box Figure A 1 Main Menu ESC Exit lt Select f Enter Select Sub Menu F10 Previous Values System Setup Program A 3 Table A 2 Main Menu Categories Category Function Time Resets time on system s internal clock Date Resets date on system s internal calendar Diskette Drive A or
35. he Run System Utilities icon Then select the Run System Diagnostics icon by pressing lt Enter gt The Diagnostics Menu appears allowing you to choose the following options or exit to MS DOS Run All Tests Runs all tests for a thorough check of the system 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 Specific Tests Tests a particular area or subsystem Getting Help If none of the troubleshooting procedures in this chapter or the tests in the system diagnostics reveals the source of the problem or leads to the proper trou bleshooting steps for determining the source of the problem call Dell for technical assistance For instructions see Chapter 11 Getting Help in the Installation and Troubleshooting Guide 2 6 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Beep Codes and Error Messages This chapter describes beep codes and system error messages that can occur during system start up 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 sys tem 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 CD based diagnostics to run the appropri ate tests to help isolate the
36. ide Set User Password Displays a dialog box for entering a new user password up to seven alphanumeric characters See Using the User Password Feature in Chapter 4 of the User s Guide Password on Boot Allows you to require the entry of a super visor password before the boot process of the system can be completed Requires use of a supervisor password Diskette Access Restricts access to the diskette drive Requires use of a supervisor password System Backup Enables or disables a system backup Reminder reminder message at boot Virus Check Reminder Enables or disables a virus check reminder message at boot System Setup Program A 9 Exit Menu Dell System PowerEdge 4100 200 Setup Main Advanced Security Exit BIOS Version AXX Save Changes amp Exit Exit Without Saving Changes Get Default Values Load Previous Values Save Changes Item Specific Help Saves all changes made in the Setup program to CMOS exits the Setup program and then re boots the computer Fl Help Select Item Change Values v4 F9 Setup Defaults ESC Exit amp Select Menu Enter Select Sub Menu gt F10 Previous Values Figure A 5 Exit Menu A 10 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Table A 6 Exit Menu Categories Category Function Save Changes and Exit Saves the changes you have made before you exit the System
37. in this chapter Eliminating Resource Conflicts 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 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 failure of the system to operate at all If you suspect that resource conflicts might exist check the system and reassign the resources as necessary Running the System Diagnostics The system diagnostics included on the Dell Server Assistant CD contains tests that aid in troubleshooting all major components of the computer system To start the diagnostics insert the CD into the CD ROM drive and then press the reset button on the computer Restarting the computer causes the Dell Server Assistant logo screen to appear on the monitor screen followed by a screen containing icons of the options available Selecting the Run System Utilities icon brings up a screen with the diagnostics icon Before the Dell Server Assistant loads a program tests the portion of main memory RAM required for loading the diagnostics If a main memory error is detected a message telling you which DIMM has failed appears on the screen Basic Troubleshooting 2 5 If no errors are found in main memory and the Dell Server Assistant loads select t
38. isk drive carrier Hard disk drives can be removed with the power on if a PowerEdge Expand able RAID Controller host adapter card is installed 1 Ifa PowerEdge Expandable RAID Controller host adapter card is installed in the computer wait until the three indicators are off and then proceed to Step 2 refer to Chapter 6 Installing SCSI Hard Disk Drives in the User s Guide for more information If this host adapter card is not installed in the computer turn off the system before pro ceeding to Step 2 2 Release the carrier by pulling down on the plastic drive handle 3 Slide the drive carrier toward the front of the computer until it is free of the drive bay 4 Turn the drive carrier over and place it on a flat work surface Removing and Replacing Parts 4 9 hard disk drive connector carrier f 4 Figure 4 9 Hard Disk Drive Removal 5 Remove the four mounting screws that attach the hard disk drive to the carrier 6 Disconnect the hard disk drive from the connector on the back of the carrier and lift the drive from the carrier CAUTION When disconnecting the hard disk drive from the con nector grasp the connector not the cable to avoid damaging the connector After you replace the drive and reinstall the carrier in the bay turn on the sys tem The online indicator green lights indicating power is being supplied to the hard disk drive With the controller connected
39. ives tape drives or CD ROM drives one bay for a 3 5 inch diskette drive and one bay for a CD ROM standard Internally accessible bays six 1 to 1 6 inch high SCSI hard disk drives hot pluggable with an optional PowerEdge Expandable RAID Controller host adapter card System Board Connectors Externally accessible serial DTE au Glas ees two 9 pin connectors 16550 compatible UART Server Management SOTERA cock ye oad ate a one 9 pin connectors modem port for embedded server management Parallel 2 2 5 vey gue Sess one 25 hole connector bidirectional NMIdEOS 6 ieee eG ae ee one 15 hole connector on system board or add in video card PS 2 style keyboard one 6 pin mini DIN PS 2 compatible mouse one 6 pin mini DIN Internally accessible Diskette drive one 34 pin connector Fan 2260 Seiad bee aondsy three 3 pin connectors System Overview 1 25 Table 1 5 Technical Specifications continued System Board Connectors continued POWERI aana one 18 pin connector standby power I C PWRGOOD and miscellaneous power POWER2 one 20 pin connector 3 3 VDC 5 VDC or 12 VDC POWER3 one 20 pin connector 3 3 VDC 5 VDC or 12 VDC BACKPLANE SCSI1 one 68 pin connector ultra wide fast to SCSI backplane SCSI2 CD ROM one 50 pin connector ultra narrow to CD ROM SMB BACKPLANE one 16 pin connector server management to SCSI ba
40. lator 2 5 VDC KEY 5 VDC _ BOARD power supply core VCC 2 1 to 3 5 VDC paralleling board PROCESSOR 1 41 5 VDC GTL and regulator PROCESSOR 2 P6 signal terminators SCSI backplane NOTE A server management cable six drive bays CD ROM FLOPPY 16 pin carries the 5 VFP from the system board to the SCSI backplane The control panel cable 30 pin carries the 5 VFP from 6 5 4 3 2 1 the backplane to the control panel D control panel 5 VFP from SCSI backplane a A 3 X 6 LEDs Figure 1 17 Power Distribution Redundant System C00 ooo 000000 ooo coe e VU reset power on Sp on off LED eaker System Overview 1 19 System Board Layout The subsections that follow provide service related information about the system board components diskette tape drive interface Ultra Narrow SCSI host adapter Ultra Wide SCSI host adapter connector FLOPPY connector SCSI2 CD ROM connector BACKPLANE SCS 1 power supply EISA connectors a EISA1 top EISA2 connector POWER2 and EISA3 power supply PCI connectors Cc a connector POWER1 PCI4 top PC18 a E E frontar battery connector system board BATTERY ECZ WIAA WwW WAN El a G aH DIMM sockets video connector x DIMM A top DIMM H MONITOR 6 ye fan connectors 4 FAN1 FAN2 FAN3 3 speed and configuration gt CEI ju
41. med the steps in Precautionary Measures found later in this chapter e You have removed the computer covers e 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 Small flat blade screwdriver e Wide flat blade screwdriver Number and number 2 Phillips head screwdrivers Chip removal tool 1 4 inch nutdriver Tweezers or long nose pliers Small plastic scribe 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 warning for your personal safety and to prevent damage to the computer system from ESD WARNING FOR YOUR PERSONAL SAFETY AND PROTECTION OF THE EQUIPMENT Only service technicians trained by Dell should perform the following procedures Before you start to work on the com puter perform 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
42. mpers server management serial port connector REMOTE parallel port connector PARALLEL serial port 2 connector SERIAL2 serial port 1 __ et 7 7 l primary microprocessor socket PROCESSOR1 Da An SERIAL1 AAI samme eee power supply connector mouse connector POWER3 MOUSE keyboard connector secondary microprocessor server management bus KEYBOARD socket PROCESSOR2 connector SMB BACKPLANE Figure 1 18 System Board Components 1 20 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Main Memory The eight DIMM sockets on the system board can accommodate combinations of 32 and 128 MB DIMMs up to a total memory capacity of 1024 MB 1 GB The system is shipped with high speed 60 ns 3 3 V EDO DIMMs installed When reinstalling DIMMs use the following guidelines e Install a DIMM in socket DIMM A before socket DIMM B in socket DIMM B before socket DIMM C and so on e Ifyou are installing DIMMs of different sizes install them in order of decreasing capacity beginning with socket DIMM A DIMMs need not be installed in pairs but gold connectors are required See DIMMs in Chapter 4 for information on removing and replacing DIMMs System Board Jumpers EISA VGA g PASSWD CRDBIOS RSRVD2 RSRVD1 200MHZ 180MHZ
43. ms in a rack see the Dell PowerEdge 4100 and 6100 Systems Rack Kit Installation Guide P N 40722 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual back of computer left side right side front of computer Figure 1 1 Computer Orientation NOTE When following the text in this manual assume that the location or direction relative to the system is as shown in Figure 1 1 System Overview 1 3 power button and es diskette drive access power on indicator indicator typical reset button SCSI hard disk drive SCS hard disk drive SCSI hard disk drive online indicator fault indicator activity indicator Figure 1 2 Front Panel Features CAUTION To avoid possible data or file structure corruptions the front panel reset button should be used only when restarting the system with a key combination fails Before using the reset button to initiate a hardware reset close any open application programs and files if possible If you are using MS DOS the system can be rebooted by pressing lt Ctrl gt lt Alt gt lt Del gt 1 4 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual external drive bays 4 control panel expansion slots internal drive bays 6 system board N hard disk drive security lock microprocessor sockets cooling fan connectors 3 air intake panel cooling fans are located behind the air intake pan
44. ne of the externally accessible drive bays follow 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 Press inward toward center of drive on the two drive release tabs and slide the drive out of the bay Removing and Replacing Parts 4 7 3 Remove the drive mounting rails from the drive see Figure 4 7 drive mounting rails 2 drive release tabs Figure 4 7 Drive Mounting Rails Removal 4 If the drive is a SCSI drive record the setting of the SCSI address jumpers and SCSI bus termination jumper Some drives use an adapter between the SCSI cable and the drive connector Check the back of the old drive for an adapter If present remove the adapter and retain it for use on the new drive When reinstalling the SCSI drive set the SCSI address jumpers and the SCSI bus termination jumpers to the settings you recorded 4 8 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Hard Disk Drives drive bay plastic drive handle Figure 4 8 Hard Disk Drive Carrier Removal The hard disk drives are mounted inside a hard disk drive carrier The hard disk drive carrier must be removed before a hard disk drive can be removed To remove a hard disk drive follow these steps NOTES Wait 20 seconds for the hard disk drive to spin down before removing the hard d
45. nector 4 17 SCSI CD ROM connector 4 17 SCSI connectors 4 17 SCSI controllers integrated 1 9 SCSI devices ID numbers 1 10 SCSI hard disk drives See hard disk drives SCSI SCSI ID numbers 1 10 SERIAL connectors 4 17 Index 3 serial port connectors location on I O panel 1 7 location on system board 4 17 server management bus connector 4 17 server management serial port connector location on I O panel 1 7 location on system board 4 17 SMB BACKPLANE connector 4 17 sockets battery 4 23 DIMM 4 17 4 19 specifications technical 1 24 subsystems advanced expansion 1 8 main memory 1 21 system board components 4 17 illustrated 1 20 jumpers 1 21 location 1 5 removing and replacing 4 24 system board jumpers 1 21 system error messages list of 3 3 system features 1 1 system power supply 1 11 System Setup program advanced menu A 6 boot options submenu A 5 exit menu A 10 key functions 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 specifications 1 24 system unit cover 4 2 T technical specifications 1 24 termination jumpers SCSI drives 1 10 troubleshooting boot routine interpreting 2 3 external visual inspection 2 2 initial procedures 2 1 initial user contact 2 1 internal visual inspection 2 4 U Ultra Narrow SCSI host adapter connector 4 17 Ultra Wide SCSI hos
46. ntroller 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 1 22 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Table 1 3 Interrupt Assignments continued IRQ Line Used Available IRQ10 Available for use by expansion card IRQI1 Available for use by expansion card IRQ12 Generated by keyboard controller to indicate that mouse s output buffer is full IRQ13 Generated by math coprocessor to indicate coprocessor error IRQ14 Available for use by expansion card IRQ15 Available for use by expansion card DMA Channel Assignments Table 1 4 DREQ Line Assignments DREQ Line Used Available DREQO DREQ1 DREQ2 DREQ3 DREQ4 DREQS5 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 controller Available Available Available System Overview 1 23 Technical Specifications Table 1 5 Technical Specifications Microprocessor Microprocessor type single or dual Intel Pentium Pro microprocessors Microprocessor speed 200 MHz internal 66 MHz external or 180 MHz internal 60 MHz external First level cache 16 KB Second level cache 256 KB for 180 MHz 512 KB for 200 MHz Math coprocessor
47. o 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 DIMM securing clip 2 1 Figure 4 19 DIMM Installation To replace a DIMM push outward on the securing clips at each end of the socket until they snap open Orient the DIMM to the socket and press the DIMM straight down into the socket slot until the securing clips snap into place around both ends of the DIMM Removing and Replacing Parts 4 19 Microprocessor and Heat Sink clip l heat sink thermal pad bonded to heat sink microprocessor microprocessor socket ban lt pin 1 corner of socket front tab Figure 4 20 Microprocessor Configuration The computer may have two microprocessors To remove a microprocessor and heat sink follow these steps 1 Remove the microprocessor securing clip from the microprocessor heat sink assembly WARNING The microprocessor chip can get extremely hot during system operations Be sure the chip 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 see Figure 4 21 4 20 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual heat sink press here to release clip microprocessor securing clip hooks over tabs on socket W front and back EA WN gt A 9 microprocessor socket rel
48. or improper settings For proper settings of the video monitor controls see the documentation for the monitor 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 Inspect the exterior of the computer 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 the next section Observing the Boot Routine Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual 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 If the system is off turn on all peripherals and the computer Insert the Dell Server Assistant CD into the CD ROM drive Press the reset but ton or lt Ctrl gt lt Alt gt lt Del gt to reboot the system 2 Check the
49. oubleshooting Guide Dell supports the drives it furnishes 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 9 SCSI ID Numbers Each device attached to the 7860 Ultra Narrow SCSI host adapter must have a unique SCSI ID number from 0 to 7 For additional SCSI addressing informa tion see Chapter 10 Installing Drives in the Internal Bays in the nstallation and Troubleshooting Guide When narrow SCSI devices are shipped from Dell the default SCSI ID numbers are assigned as follows The computer s built in Ultra Narrow SCSI host adapter is configured through the BIOS as SCSI ID 7 e A SCSI CD ROM drive installed in an externally accessible drive bay is configured as SCSI ID 5 e A SCSI tape drive if installed is configured as SCSI ID 6 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 Devices attached to the Ultra Wide SCSI host adapter need no ID settings or ter mination ID settings and termination are handled automatically by the SCSI backplane Device Termination SCSI logic requires that termination be enabled for the two devices at opposite ends of the SCSI chain and disabled for all devi
50. ower distribution nonredundant system 1 15 redundant system 1 19 diagnostics 2 6 DIMMs about 1 21 ECC 1 8 location on system board 4 17 removal 4 19 socket population rules 1 8 diskette drive illustrated 4 5 removal 4 7 diskette tape drive interface connector 4 17 diskette based diagnostics 2 5 Index 1 DREQ line assignments 1 23 drive bays external 1 5 1 6 internal 1 5 1 6 drives about 1 25 illustrated 4 5 SCSI configuration guidelines 1 9 SCSIID numbers 1 10 SCSI termination jumpers 1 10 E ECC 1 8 EISA expansion cards 1 8 EISA expansion card connectors 4 17 error messages system list of 3 3 expansion cards card slot opening 4 18 connectors 4 17 removal 4 18 slots 1 8 expansion subsystem 1 8 external visual inspection 2 2 externally accessible drives removal 4 7 F FAN connectors 4 17 fan connectors 4 17 fatal error messages 3 3 FLOPPY connector 4 17 front bezel removal 4 4 front panel inserts removal 4 6 H hard disk drives connectors 4 17 drive bays 1 5 1 6 hard disk drives SCSI carrier removal 4 9 configurations 1 9 illustrated 4 5 help getting 2 6 l indicator card removal 4 11 initial procedures 2 1 initialization error messages 3 3 integrated features SCSI controllers 1 9 server management 1 8 video controller 1 9 interrupt assignments list of 1 22 ISA expansion cards 4 18 J jump
51. power supply fans Do the fans run normally NOTE The center fan is normally off unless another fan has failed or is unplugged or the temperature of the computer is too high 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 and following a long pause approximately 30 seconds the Num Lock indicator should light up and remain on Do these indicators flash on and off within approximately 10 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 4 During the boot routine observe the computer for any of the following 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 e System error messages These messages can indicate problems or pro vide status information If a system error message is displayed see Table 3 2 Diskette drive and hard disk drive activity 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 boo
52. reen LED is lit it indicates that 5 VDC is on The sys tem 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 3 135 to 3 465 VDC 15 0 A 5 VDC 4 90 to 5 25 VDC 50 0 A 12 VDC 11 40 to 12 60 VDC 25 0 A 12 VDC 10 80 to 13 20 VDC 0 3 A 5 VDC 4 50 to 5 50 VDC 0 3 A 5 VFP 4 85 to 5 36 VDC 0 25 A l Maximum continuous DC output power shall not exceed 500 W 2 VFP volts flea power sometimes called standby power System Overview 1 11 Pin Assignments for the DC Power Connectors Nonredun dant Systems The power supply output voltages for nonredundant systems can be measured at the connectors on the back of the power supply P1 P2 P3 P4 and P5 or at the connectors on the power connector panel J11 J12 J13 J14 and J15 The following illustrations show both sets of connectors EEE EE Eee Boal onian olaaa 6 Figure 1 7 Power Connector Panel 1 12 Dell PowerEdge
53. replacement microprocessor between the microprocessor and the heat sink before reinstalling the securing clip 4 22 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual System Battery battery eY rs Figure 4 24 System Battery Removal BATTERY socket 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 2 Remove the left computer cover See Computers Covers found earlier in this chapter 3 Remove the battery Pry the battery out of its socket with your fingers or with a blunt noncon ducting object such as a plastic screwdriver To replace the system battery follow these steps WARNING The new battery can explode if installed incorrectly Be careful to replace the battery as instructed in the following procedure In addition replace the old battery only with one of the same or an equiva lent type as recommended by the manufacturer Discard the old battery according to the manufacturer s instructions 1 Orient the new battery with the facing up Insert the battery into its socket and snap it into place 2 Start the System Setup program and reset the Time and Date categories Also compare the system configuration information with the copy of the system configuration settings you made in step 1 of the removal procedure Restore any system configuration information that was lo
54. rming the visual inspection make any necessary corrections To perform the external visual inspection follow these steps 1 2 Turn off the computer the monitor and all peripherals Verify that all power cables are properly connected to the computer the monitor and peripherals and their power sources Verify that the keyboard and mouse interface cables are firmly attached to the proper connectors on the back of the computer For a PS 2 compatible mouse the keyboard and mouse interface cable con nectors are identical except for their labels see Figure 1 5 For a serial mouse the mouse interface cable must be attached to one of the serial port connectors and its captive screws must be secure enough to ensure a firm connection 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 attached to an appro priate 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 be secure enough to ensure a firm connection Verify that the video interface cable is firmly attached to the connector on the I O panel and to the connector on the back of the monitor For proper connection of the video interface cable see the documentation for the monitor Inspect all external monitor controls for any obvious damage
55. se con troller System Setup Program A 7 A 8 Security Menu Dell System PowerEdge 4100 200 Setup BIOS Version AXX Set Supervisor Password Press Enter Main Advanced Security Exit Item Specific Help Supervisor Password Is Disabled j User Password Is Disabled N lt ENTER gt dis a dialog entering the st yS ESC Exit amp Select Menu Enter Select Sub Menu F10 Set User Password Press Enter digit alpt sword Password on Boot Disabled 5 p Diskette Access User be enabled be System Backup Reminder Disabled Virus Check Reminder Disabled Fl Help y A Select Item oof Change Values F9 Setup Defaults Previous Values Figure A 4 Security Menu Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Table A 5 Security Menu Categories Category Function Supervisor Password Is Displays current status of the supervisor password enabled or disabled See Using the Supervisor Password Feature in Chap ter 4 of the User s Guide User Password Is Displays current status of user password enabled or disabled See Using the User Password Feature in Chapter 4 of the User s Guide Set Supervisor Pass word Displays a dialog box for entering a new user password up to seven alphanumeric characters See Using the Supervisor Password Feature in Chapter 4 of the User s Gu
56. st while replacing the battery Removing and Replacing Parts 4 23 System Board system board slot 13 Figure 4 25 System Board Removal To remove the system board follow these steps 1 Disconnect all cables from their connectors at the back of the system unit 2 Remove all expansion cards 3 Disconnect all cables from the system board 4 Remove the system board as follows a Remove the screw that secures the system board to the vertical wall of the computer chassis b Slide the system board toward the front of the computer approximately 1 2 inch to release the board from the 13 slots in the computer chassis c Lift the system board out of the computer If you are replacing a system board remove the DIMMs the microprocessor s and the expansion card from the old system board and install them on the replacement board 4 24 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual System Setup Program This appendix describes the System Setup program which is used to set or change the system configuration information stored in NVRAM on the system board To enter the System Setup program press lt F2 gt during the power on self test POST If you wait too long the operating system begins to load into memory and you cannot enter the System Setup program Let the system complete the load operation then shut down the system and try again NOTE To ensure an orderly system shutdown
57. t adapter connector 4 17 user contact initial 2 1 V video connector location on I O panel 1 7 location on system board 4 17 video controller integrated 1 9 visual inspection external 2 2 internal 2 4 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual
58. t routine trouble shoot the diskette drive or hard disk drive subsystem as appropriate Basic Troubleshooting 2 3 5 Observe the monitor screen for the Dell Server Assistant Menu Does the menu appear Yes See Running the System 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 if possible 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 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 left computer cover 3 Verify that all DIMMs and expansion cards as well as the micro processor s and battery are fully seated in their sockets or connectors WARNINGS The microprocessor can get extremely hot Be sure the chip has had sufficient time to cool before you touch it To maintain proper air flow and prevent the system from overheat ing each po
59. talled reboot system and restore EISA configu ration EISA con EISA configuration Ensure EISA expan figuration data in NVRAM sion cards are seated error does not match the properly then run installed EISA EISA Configuration expansion cards Utility Invalid CPU Microprocessor Check the micro speed speed jumper plug processor speed detected may be absent or jumpers check installed on wrong jumpers jumper pins Resource BIOS detected a See Eliminating conflict resource conflict Resource Conflicts Warning while configuring in Chapter 2 IRQ not Plug and Play ISA initialized or PCI expansion card Expansion ROM not initialized system con figuration data write error System board may be malfunctioning Defective system board System mem ory size has changed Run Config uration Utility DIMM was added or removed DIMMs are improperly seated More memory was added Make sure DIMMs are properly seated run EISA Configuration Utility Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Table 3 2 System Error Messages continued Message Definition Action Stepping of CPU1 is less than sAl System halted Wrong microprocessor installed in PROCESSORI socket Replace microprocessor with sA1 stepping or greater Stepping of CPU2 is less than sAl System halted Wrong microprocessor installed in PROCESSOR socket Replace microprocessor
60. tium Pro microprocessors The systems have been designed for better serviceability and increased reliabil ity with optional redundant power supplies RAID capability hot pluggable SCSI hard disk drives thermal and power supply monitoring redundant fans and ECC memory The PowerEdge 4100 systems are freestanding or can be rackmounted to integrate your servers The microprocessor modules are installed in zero insertion force ZIF sockets on the system board which allow you to replace microprocessors faster Contact Dell for information about Dell supported microprocessor upgrades The Pentium Pro microprocessor contains a built in clock multiplier circuit which increases the microprocessor s internal operating frequency to a multiple of the system clock frequency The microprocessors for each of these systems and their operating frequencies are as follows Dell PowerEdge 4100 180 system 180 MHz derived from a system clock frequency of 60 MHz Dell PowerEdge 4100 200 system 200 MHz derived from a system clock frequency of 66 MHz System Features In addition to the standard features found in a traditional personal computer Dell PowerEdge 4100 systems include the following new and or advanced features 256 KB PowerEdge 4100 180 systems or 512 KB PowerEdge 4100 200 systems of cache memory internal to the Pentium Pro module 64 MB of 72 bit wide buffered extended data output EDO main memory upgradable to 102
61. tup Incorrect Diskette drive does Run System Setup pro drive A type not match diskette gram to restore your Run Setup drive type stored in system configuration Incorrect configuration data drive B type Run Setup Keyboard Cable may be loose Defective keyboard error or keyboard may be keyboard cable or Stuck key faulty system board System One or more Reseat or replace Shadow RAM DIMMs may be DIMMs failed at improperly seated or offset faulty Operating system not found System did not find bootable operating system Use diskette with bootable operating system in drive A or load bootable operating system from hard disk drive System Microprocessor chip Defective micro cache error malfunctioned processor or system Cache dis board abled System Chip on system Defective micro timer error board malfunc tioned processor or system board Beep Codes and Error Messages 3 3 Table 3 2 System Error Messages continued Message Definition Action Real time clock error Real time clock on system board mal Defective micro processor or system functioned board Keyboard Cable may be loose Defective keyboard controller keyboard may be keyboard cable or error faulty or keyboard system board controller is defec tive EISA con EISA jumper may Ensure EISA jumper figuration have been acciden is removed then NVRAM bad tally ins
62. ubsections 3 5 inch diskette drive DC power cable SCSI2 CD ROM diskette tape drive drive interface cable CA diskette drive interface connector FLOPPY SCSI hard disk drive bay 6 SCSI backplane board SCSI interface cable SCSI connector SCSI2 CD ROM system board SCSI connector BACKPLANE SCSI 1 Figure 4 4 Drive Hardware Removing and Replacing Parts 4 5 Front Panel Inserts tab 2 I ee front panel insert N EDJ latch 2 BaS d back of the front bezel Figure 4 5 Front Panel Insert Removal To remove a front panel insert follow these steps 1 Remove the front bezel 2 From the back of the front bezel press against the center of the insert until the tabs come loose from the bezel 3 Pull the insert out of the bezel To replace a front panel insert position the insert over the bay opening from the inside of the front bezel and carefully press the insert into place A tab on each side of the insert snaps into a corresponding latch on the inside of the front bezel 4 6 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Externally Accessible Drives 3 5 inch diskette drive in top bay CD ROM drive in middle bay lower bay drive position for optional drive drive release tab 2 Figure 4 6 Externally Accessible Drives Removal All of the externally accessible drives have drive mounting rails To remove a drive assembly from o
63. wer supply bay must have either a power supply or the power closeout panel installed To ensure that the chips are fully seated in their sockets press firmly on the top of each chip To reseat a microprocessor first remove it from its socket and then reinstall it as described in Microprocessor and Heat Sink 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 card in its connector and carefully push it in until fully seated Then reinstall the card mounting bracket s retaining screw 2 4 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual 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 computer to verify that they are firmly attached to their appropriate connectors 6 Reinstall the computer cover 7 Reconnect the computer 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 section Eliminating Resource Conflicts and to Getting Help found later
64. with sA1 stepping or greater Stepping of CPU is less than sAl System halted Wrong microprocessor installed in system Replace microprocessor with correct sA1 step ping or greater Nonidentical CPUs System halted Cache memory sizes of the two Pentium Pro microprocessors do not match Replace one of micropro cessors so that cache size of both microprocessors matches Invalid CPU speed detected Check speed jumpers System halted The microprocessor speed detected is neither 180 MHz or 200 MHz Check microprocessor speed jumpers Power supply paralleling board firm ware download failed System back plane firm ware download failed Server management bus cable connection to SCSI backplane board is loose Check server management bus cable connections to system board labeled SMB BACKPLANE and SCSI backplane labeled SMB Turn off and then restart system Embedded server manage ment firmware download failed Embedded server management memory temporarily corrupted Turn off and then restart the system Beep Codes and Error Messages 3 5 3 6 Dell PowerEdge 4100 180 and 4100 200 Systems Service Manual Removing and Replacing Parts This chapter provides procedures for removing the components assemblies and subassemblies in the system unit Unless otherwise noted each procedure assumes the following You have perfor

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