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Sun Fire X4800 Server Service Manual
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Change History

Sun Fire X4800 Server Service Manual Overview

Server and Component Overview

Sun Fire X4800 Server Overview

Component Overviews

Power and Reset

Power Modes

Power Button and Power OK LED

How to Power On the Server

How to Power Off the Server

Controlling Server Power Remotely

Removing and Installing Components

Preparing for Service and Operation

Removal and Installation Procedures

Removing and Installing a Power Supply (CRU)

Removing and Installing a Hard Drive (CRU)

Removing and Installing a Hard Drive Filler

Replacing the Hard Drive Backplane (FRU)

Adding, Removing, and Installing a CMOD (CRU)

How to Add a CPU Module (CMOD) to the Server Using the Upgrade Kit

How to Remove a CPU Module (CMOD)

How to Remove the CPU Module (CMOD) Cover

How to Install the CPU Module (CMOD) Cover

How to Install a CPU Module (CMOD)

How to Verify CPLD Versions

CPU Module (CMOD) Designation and Population Rules

Removing and Installing a CMOD Filler

How to Replace the CMOD Battery (CRU)

Removing and Installing DIMMs (CRU)

DIMM Population Rules

Removing and Installing a RAID Expansion Module (CRU)

How to Replace the RAID Expansion Module Battery (CRU)

Removing and Installing a Fabric Expansion Module (CRU)

Replacing a CPU and Heatsink Assembly (FRU)

Removing and Installing a Fan Module (CRU)

Replacing a Fan Module Controller Board (FRU)

Removing and Installing a NEM or a NEM Filler (CRU)

Removing and Installing a PCIe EM (CRU)

Removing and Installing the Service Processor Module (CRU)

Removing and Installing the Multi port Cable

Removing and Installing the Subassembly Module (FRU)

Sun Fire X4800 Server Service Procedures, and Information

Managing FRUID Information

Firmware Information and Procedures

How to Access the BIOS Setup Utility

Updating the CPLD

Component LED Locations and Meanings

Sun Fire X4800 Server Specifications

Physical Specifications

Power Specifications

Environmental Specifications

Index

How to Install the CPU Module (CMOD) Cover

Before You Begin

Sun Fire X4800 Server CPU Module (CMOD) and Filler Module Overview

  1. Set the cover on top of the CMOD with the cover release button toward the front of the module and with approximately 0.5 inch of the cover overhanging the rear of the module.

    This leaves a gap of approximately 0.5 inch between lead edge of the cover and front top edge of the CMOD chassis. The cover should sit evenly on top of the module.


    image:CPU module (CMOD) cover install.
  2. Slide the cover toward the front of the module until it stops, taking care that the lead edge of the cover slides under the front top edge of the CMOD.

    When the cover is properly installed, this action produces a click sound as the cover latch engages and locks the cover.

  3. Ensure that the cover is locked in place.

    The cover should not move unless the release button is pressed.

See Also

How to Remove the CPU Module (CMOD) Cover

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