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Gateway 7450R Replacing the hot-plugbackplane, To replace the hot-plugbackplane assembly:

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5Install the new control panel board by replacing the three screws you removed in Step 4.

6Plug the front panel cables into the appropriate connectors on the control panel board.

7Close the case. See “Closing the case” on page 20.

8Reconnect the power cord and the external peripherals, then turn on the system.

Replacing the hot-plug backplane

The three drive hot-plug backplane is at the back of the hot-plug drive cage. The backplane supports as many as three hot-swappable Ultra3 SCSI drives.

To replace the hot-plug backplane assembly:

1Turn off the system and disconnect the power cord and all external peripheral devices.

2Open the case. See “Opening the case” on page 18 and “Preventing static electricity discharge” on page 17.

3Disconnect all cables to the hot-plug backplane. Note their locations and orientations.

4Remove all hot-plug drives. Be careful to note which drive was in which slot.

54Gateway 7450R Server System Manual

Contents

Page Notices Contents Preface System Features System Setup Case Access Using the BIOS Setup Utility Managing the Server Troubleshooting Safety, Regulatory, and Notices System Specifications Index Page Preface Conventions used in this manual Getting additional information System1 Features Standard features Front panel Control Panel Back panel Interior of system System board Page Hot-plugbackplane Control panel board Riser card System Setup Setting up the server Starting the server To start the system: Understanding the Power-On Self-Test Setting up the operating system To complete the operating system setup in Windows NT: Turning off the server To turn off the server in Windows NT: Resetting the server To close unresponsive programs and shut down the server in Windows NT: Page Case Access Preventing static electricity discharge To prevent static electricity discharge: Opening the case Removing the top panel To remove the top panel: Page Closing the case Replacing the top panel To replace the top panel: Replacing and Adding Internal Devices Drives Preparing to replace or add a drive Drive cabling information Replacing the diskette drive To replace the diskette drive assembly: Page Installing a CD drive To install your CD drive assembly: Replacing the CD drive assembly To replace the CD drive assembly: Page Replacing a hot-plugdrive To replace a failed drive: Page Adding a hot-plugdrive To install an additional hot-plugdrive: Memory Replacing memory To replace DIMMs: Adding memory To add DIMMs: Processors Replacing the primary processor To replace the primary processor: Page Replacing the secondary processor To replace the secondary processor: Page Adding a secondary processor To add a second processor: Replacing the battery To replace the battery: Page Expansion cards Replacing an expansion card To replace an expansion card: Page Adding an expansion card To add an expansion card: Page Replacing the power supply To replace the power supply: Page Replacing a blower To replace a blower: Replacing a fan To replace a fan: Replacing the control panel board To replace the control panel board: Replacing the hot-plugbackplane To replace the hot-plugbackplane assembly: Replacing the riser card To replace the riser card: Replacing the system board To replace the system board: Page Page Page Using the BIOS Setup Utility About the BIOS Setup utility Page Updating the BIOS BIOS Recovery To recover the BIOS: Setting the system board jumpers and switches The CMOS Clear jumper Setting the switches Page Managing the Server Avoiding power source problems Surge suppressors Line conditioners Maintain and manage 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: Deleting unneeded files Deleting Windows temporary files To delete .tmp files: To decrease the size of the Recycle Bin: Protecting the server against viruses To remove a virus: System administration and control ManageX Event Manager SNMP agent Installing the SNMP agent in Windows NT To install the SNMP agent in Windows NT: Installing the SNMP agent in Windows To install the SNMP agent in Windows 2000: Setting up ManageX To setup ManageX: System security Mechanical access and monitoring Security through the BIOS Setup utility Summary of software security features System recovery Creating a startup diskette Using your Server Companion CD Troubleshooting Introduction Troubleshooting checklist Verifying your configuration Troubleshooting guidelines Troubleshooting the battery installation CD problems The system does not recognize the CD drive Hard drive problems The system does not recognize a SCSI drive Memory and processor problems The system detected memory errors during start up The system does not recognize a new or second processor Peripheral/Adapter problems The system does not recognize a SCSI device The system does not recognize the diskette drive The diskette drive will not read, write, or format The diskette drive LED illuminates continuously The system does not recognize an expansion card Printer problems The printer will not turn on The printer is turned on but will not print 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 codes and test points Beep POST Routine Description Page Page Page Page Page Safety Regulatory, and A Notices Important safety information Care during use Replacement parts and accessories Warnings Page Regulatory compliance statements FCC Part 68 (applicable to products fitted with USA modems) Canadian users European users Japanese users Australia and New Zealand users Laser safety statement Page Page SystemB Specifications System Specifications Mechanical specifications Environmental specifications Electrical specifications Page Index