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Sun Fire X4800 Server Service Manual Overview
Sun Fire X4800 Server Overview
Sun Fire X4800 Server Chassis Overview
Sun Fire X4800 Server Subassembly Module Overview
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)
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
Firmware Information and Procedures
How to Access the BIOS Setup Utility
Component LED Locations and Meanings
The CPU modules (CMODs) are the processing engines for the Sun Fire X4800 server. Each CMOD contains two processors (CPUs), memory, and I/O capabilities for PCIe and GigabitEthernet.
The CMOD bay of the Sun Fire X4800 server can contain up to four CMODs. The server supports two configurations, a two-module configuration and a fully loaded four-module configuration. In both configurations, CMOD 0 (BL 0) is the master CMOD. In the two-module configuration, a filler module must be used for slots that do not contain a CMOD. CMODs and filler modules have a lever mechanism that is used for removal and installation. The lever is held in place by a release latch.
Note - CMODs and CPU filler modules are designated as customer-replaceable units (CRU).
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