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Gateway 7400 Replacing the control panel board, To replace the control panel board:

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Replacing the control panel board

The control panel board is mounted on the front of the chassis, behind the bezel.

To replace the control panel board:

1Turn off the system and disconnect the power cord, modem cord (if installed), and all external peripheral devices.

2Observe all safety and static electricity precautions. (See “Preventing static electricity discharge” on page 22.)

3Remove the bezel. (See “Removing the bezel” on page 25.)

4Remove the left side cover panel. (See “Removing the side cover panel” on page 26.)

5Disconnect the front panel connector from the control panel board.

6Remove the screw that secures the board to the front of the chassis.

7Lift the control panel board off of the hooks on the front panel, then remove it.

Replacing the control panel board

Contents

Page Notices Contents Preface System Features System Setup Case Access Using the BIOS Setup Utility Managing Your System Cleaning the Server Troubleshooting Safety and Regulatory Information System Specifications Index Page Preface Conventions used in this manual Getting additional information System1 Features Standard features Front panel PS 1 status LED PS 2 status LED System reset button Power button Hot-plug Back panel Power supply cable clamp Keyboard port USB ports Serial ports (2) Video port Interior of system SCSI backplane Drive cage fan System board tray System board Back panel fan System board Page SCSI backplane board Back side Front side Front panel board NMI (Non-Maskable Interrupt) button Chassis intrusion detection switch Front panel connector Page System Setup Setting up the server Installing the outriggers and castors To install the outriggers and castors: Starting the server To start the system: Understanding the Power-On Self-Test Setting up the operating system To complete the operating system setup for Windows NT: Turning off the server To turn off the server in Windows NT: Resetting the server To close unresponsive programs and reset the server in Windows NT: Case Access Preventing static electricity discharge To prevent static electricity discharge: Opening the case Opening the bezel door To open the bezel door: Removing the bezel To remove the bezel: Removing the side cover panel To remove the side cover panel: Closing the case Replacing the side panel To replace the side panel: Replacing the bezel To replace the bezel: Replacing and Adding System Components Drives Preparing to replace or add a drive Drive cabling information Replacing the diskette drive To replace the diskette drive: Page Replacing an optional drive To replace an optional drive: Page Installing a 3.5-inchdrive in a 5.25-inchdrive bay To install a 3.5-inchdrive in a 5.25-inchdrive bay: Page Page Replacing a hot-plugdrive To replace a failed drive: Page Page Adding a hot-plugdrive Removing an empty drive carrier To remove an empty drive carrier: Page Installing a SCSI drive in the server To install a SCSI drive in the server: Page Replacing the CD drive To replace the CD drive: Page Adding additional 5.25-inchdevices To install an additional 5.25-inchdevice: Page Replacing or adding memory To replace DIMMs: Page To add DIMMs: Page Replacing or adding a processor To remove the heatsink: Page To remove the processor: To install the new processor: To replace the heatsink: To add an additional processor: Replacing the battery To replace the battery: Page Troubleshooting the battery installation Expansion cards Replacing an expansion card To replace an expansion card: Page Adding an expansion card To add an expansion card: Page Page Power supplies Replacing a redundant power supply module To replace a failed power supply module: Page Replacing the power supply To replace the power supply: Page Page Replacing the back panel and drive cage fans To remove the back panel or hot-plugcage fan: Page Replacing the control panel board To replace the control panel board: Page Replacing the SCSI backplane To replace the SCSI backplane: Page Page Replacing the system board To replace the system board: Page Page Page Page Using the BIOS Setup Utility About the BIOS Setup utility Page Updating the BIOS Setting the configuration switches The Clear Password switch The Clear CMOS switch Page Managing Your System Protecting against power source problems Surge suppressors Line conditioners Uninterruptible power supplies Maintaining and managing your hard drive Hard drive maintenance utility Using Check Disk in Windows NT To use Check Disk: Hard drive management practices Checking hard drive space To check hard drive space: Backing up files To run Backup in Windows NT: To delete .tmp files: Deleting temporary Internet files Emptying the Recycle Bin To decrease the size of the Recycle Bin: Protecting your server from viruses To remove a virus: System administration and control ManageX Event Manager Gateway® server management software System security Mechanical lock and monitoring Software locks through the BIOS Setup utility Using passwords Changing passwords Page System recovery Creating a startup diskette To create a startup diskette: Using your Server Companion CD Page Cleaning the Server Cleaning the mouse To clean the mouse: Cleaning the keyboard Cleaning the monitor screen Cleaning the server and monitor cases Troubleshooting Introduction Troubleshooting checklist Verifying your configuration Troubleshooting guidelines CD drive problems An audio CD produces no sound The system does not recognize the CD drive Diskette drive problems The system does not recognize the diskette drive The diskette drive will not read, write, or format The diskette drive LED illuminates continuously Hard drive problems The system does not recognize the SCSI drive The system does not recognize the IDE drive Memory and processor problems The system detected memory errors during start up The system does not recognize a new or second processor Modem problems The system does not recognize the modem Peripheral/adapter problems The system does not recognize a SCSI device The system does not recognize an adapter card Printer problems The printer will not turn on The printer is turned on but will not print The printer prints garbled text System problems The system will not start up The system is non-responsive The keyboard does not work The mouse does not work Video problems The system is running but the screen is blank The image on the screen is dim or difficult to read The color monitor displays everything in black and white The displayed characters are garbled The video is distorted Error messages Page Page Page Page Safety and RegulatoryA Information Important safety information Setting up your system Care during use Replacement parts and accessories Regulatory compliance statements United States of America FCC declaration of conformity Page Canada EPA ENERGY STAR SystemB Specifications Environmental specifications System I/O addresses Address Page Memory map Interrupts DMA usage Page Index Numerics