Dell GX200 manual Replace the drive shelf assembly

Page 79

1System board

2Screw

To remove the system board, perform the following steps:

1.Disconnect all cables from their connectors at the back of the computer.

2.Remove the drive shelf assembly.

3.Remove the expansion-card cage.

4.Remove the hard-disk drive/bracket.

5.Disconnect all cables from the system board.

6.Remove the screw that secures the system board to the bottom of the chassis (see Figure 31).

7.Slide the system board toward the front of the chassis until it stops.

8.Carefully lift the system board out of the chassis (be sure to lift evenly and not twist the system board). To install a new system board, perform the following steps:

1.Remove the RIMMs and the microprocessor/cooling fan/heat sink assembly and install them on the replacement board.

2.Set the jumpers on the new system board so that they are identical to those on the old board, unless a microprocessor upgrade is being installed.

3.Push down near each slot to engage the grounding clip onto its corresponding tab.

4.Push evenly on both sides of the system board as you slide it into position (do not twist the system board).

5.Replace the screw that secures the system board to the bottom of the chassis.

6.Reconnect all cables to the system board.

7.Replace the hard-disk drive/bracket.

8.Replace the expansion-card cage.

9.Replace the drive shelf assembly.

10.Replace the computer cover.

11.Reset the chassis intrusion detector. While in System Setup, confirm that the system data area correctly identifies the type of microprocessor installed.

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Contents Initial release 18 April Last revised 31 Jul You have removed the computer cover Precautionary MeasuresOverview Recommended ToolsComputer Cover Internal ViewsComputer Cover Replacement Front-Panel Inserts Eject, Power, and Reset ButtonsReset the chassis intrusion detector Chassis Intrusion SwitchControl Panel Remove the diskette drive and bracket DrivesInch Diskette Drive Inch DriveIf not already done, remove the computer cover Hard-Disk Drive to Bracket InstallationReplace the computer cover System Power SupplyRiser Boards Expansion-Card CagePCI/ISA Riser Board Optional System Board ComponentsSystem Board Jumpers Expansion Cards System-Board Jumper Settings DescriptionSystem Board Labels Expansion-Card Removal Expansion-Card InstallationRemove the computer cover Removing a Rimm MemoryMicroprocessor/Cooling Fan/Heat Sink Assembly Microprocessor/Cooling Fan/Heat Sink AssemblyMicroprocessor Package Installation System BatterySystem Board Removal System BoardBack to Contents Microprocessor/Airflow Shroud/Heat Sink Assembly Computer Cover Inside the Chassis Internal ViewExpansion-Card Cage Inch Diskette Drive Removal Remove the hard-disk drive cageInch Drive Removal 25-Inch Drive Removal Hard-Disk Drive Insertion Hard-Disk Drive ReplacementSystem Power Supply Removal System Power Supply RotationSystem Power Supply Installation Rotate the system power supplySystem Board Jumpers Expansion Cards Expansion Card Removal Expansion-Card ReplacementMidsize Chassis PCI Riser Board Rimm Installation Microprocessor/Airflow Shroud/Heat Sink AssemblyHeat Sink Assembly Removal Securing the microprocessor package Disconnect all cables from the system board Back to Contents Overview Mini Tower Chassis Orientation View Computer Cover Replacement Front Bezel Removal Front BezelFront-Panel Inserts Chassis Intrusion Switch Diskette Drive Removal Remove the control panel from the front panelDrive Bracket Attachment Remove the front bezelNew Drive Insertion Hard-Disk Drive Removal From Bracket Remove the computer cover Remove the front bezelDrive Bracket Insertion Into Chassis System Power Supply Mini Tower Chassis PCI Riser Board Mini Tower Chassis PCI/ISA Riser Board System Board Jumpers CD-ROM audio interface connector Expansion Card Installation Memory Microprocessor/Airflow Shroud/Heat Sink Removal Microprocessor package Socket release lever ZIF socket System Battery Remove the airflow shroud from the microprocessor Replace the airflow shroud Replace the expansion-card cage Overview Orientation View Computer Cover Replacement Remove the drive shelf Remove the power supply Eject and Power ButtonsChassis Intrusion Switch Hard-Disk Drive Preliminary StepsDrive Bracket Removal Hard-Disk Drive Cable Attachment CD-ROM Drive Removal CD-ROM DriveSystem Power Supply PCI Riser Board Riser BoardSystem Board Jumpers System-Board Jumper Settings Description Bit PCI Expansion Card Example Expansion Card Removal Memory Microprocessor/Cooling Fan/Heat Sink Assembly Microprocessor Package Removal Replace the computer cover and restart the system Replace the drive shelf assembly