Field-Replaceable Units - Sun Oracle Sun Server X4-2 Service Manual

CRU Description
DVD drive DVD drive on configurations with four
2.5-inch storage drives.
Fan modules Contains four fan modules for cooling the
motherboard assembly and installed
components.
PCIe cards Optional add-on cards that can expand the
functionality of the server.
PCIe risers Houses and connects the PCIe cards.
Power supplies Two fully redundant AC power supplies.
Related Information
"Field-Replaceable Units" on page 18
■
"Illustrated Parts Breakdown" on page 15
■
"Servicing CRUs That Do Not Require Server Power-Off" on page 45
■
"Servicing CRUs That Require Server Power-Off" on page 61
■

Field-Replaceable Units

The following table lists the field-replaceable units (FRUs) in the server and directs
you to the replacement instructions.
FRU Description
Processor Carries out the instructions of the system.
Disk backplane Serves as the interface between storage
drives and the host bus adapter (HBA) card.
Front indicator Contains the front panel controls, indicators,
module (FIM) and USB ports.
Motherboard Provides connectors for the fans, DIMMs,
assembly processor(s), PCIe risers, and internal USB
ports, and power supplies.
Internal HBA Serve to connect the disk backplane to the
SAS controller the internal host bus adapter (HBA) card.
cables
18 Sun Server X4-2 Service Manual • May 2014
Replacement Instructions
"Servicing the DVD Drive (CRU)" on page 91
"Servicing Fan Modules (CRU)" on page 50
"Servicing PCIe Cards (CRU)" on page 84
"Servicing PCIe Risers (CRU)" on page 74
"Servicing Power Supplies (CRU)" on page 55
Replacement Instructions
"Servicing Processors (FRU)" on page 100
"Servicing the Disk Backplane (FRU)" on
page 117
"Servicing the Front Indicator Module (FRU)"
on page 125
"Servicing the Motherboard (FRU)" on
page 127
"Servicing the SAS Cables (FRUs)" on
page 138