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Sun Server X2-8 (formerly Sun Fire X4800 M2) Service Manual     Sun Server X2-8 (formerly Sun Fire X4800 M2) Documentation Library
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Document Information

Using This Documentation

Sun Server X2-8 Name Change

Product Downloads

Documentation and Feedback

About This Documentation

Change History

Sun Server X2-8 Service Manual Overview

Server and Component Overview

Sun Server X2-8 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)

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)

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)

Fan Module Controller Board (FB) Designations

How to Remove a Fan Module Controller Board

How to Install a Fan Module Controller Board

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 Multiport Cable

Removing and Installing the Subassembly Module (FRU)

Sun Server X2-8 Service Procedures and Information

Managing FRUID Information

Firmware Information and Procedures

How to Access the BIOS Setup Utility

BIOS Setup Utility Screens

Component LED Locations and Functions

Thermal Sensor Locations

Sun Server X2-8 Specifications

Physical Specifications

Power Specifications

Environmental Specifications

Requesting Physical Media

How to Request Physical Media Online

How To Request Physical Media by Phone


How to Remove a Fan Module Controller Board

An animation of the procedure to remove a fan module controller board is available. See animation showing fan module controller board removal.


Caution - Potential for system over-temperature and component damage. Do not attempt to operate the system with insufficient cooling. Maintain the integrity of a properly functioning cooling system by immediately replacing nonworking components and ensuring unobstructed airflow.

Before You Begin

  1. Prepare the server for service. See How to Prepare for Service.
  2. Access the back of the server.
  3. Remove the FMs that are controlled by the FB that you need to replace. See Fan Module Controller Board (FB) Designations.
  4. To remove the fan shelf, press down on the green release tab and slide the shelf out of the fan bay (1).
    image:An illustration showing how to remove the fan module controller board.
  5. Completely loosen the green captive screw that secures the FB (2).
  6. To remove the FB, pull the handle on the controller board assembly (3).

Next Steps

How to Install a Fan Module Controller Board

See Also

Sun Server X2-8 Subassembly Module Overview