A P P E N D I X A - Field-Replaceable Units

This appendix provides illustrated parts breakdown diagrams and a table that lists the server FRUs.

A.1 Illustrated FRU Locations

FIGURE A-1, FIGURE A-2, and TABLE A-1 list the locations of the field-replaceable units (FRUS) in the server.

FIGURE A-1 Field-Replaceable Units (1 of 2)

FIGURE A-2 Field-Replaceable Units (2 of 2)

TABLE A-1 Server FRU List
Item No.	FRU	Replacement Instructions	Description	FRU Name ^[1]
1	Motherboard assembly	Section 5.2.7, Removing the Motherboard Assembly	The motherboard assembly is comprised of the following boards that must be replaced as a single FRU: CPU board - Comprises the central processing subsystem for the server, which includes the UltraSPARC T1 CPU processor, 16 DIMM connectors, the memory controllers, and supporting circuitry. I/O board - Provides the I/O logic, including the connectors for the PCI-X and PCI-Express interfaces, Ethernet interfaces, all the power interconnections, and miscellaneous logic. Note: This assembly is provided in different configurations to accommodate the different processor models (4, 6, and 8 core).	MB IOBD
2	System controller card (OSP board)	Section 5.2.5, Removing the System Controller Card	This board implements the system controller subsystem. The SC board contains a PowerPC Extended Core, and a communications processor that controls the host power and monitors host system events (power and environmental). The board holds a socketed EEPROM for storing the system configuration, all Ethernet MAC addresses, and the host ID. This board only draws power from the 3.3V standby supply rail, which is available whenever the system is receiving AC input power, even when the system is turned off.	SC
3	System controller battery	Section 5.2.21, Removing the Battery on the System Controller	Battery.	SC/BAT
4	PCI-Express and PCI-X cards	Section 5.2.1, Removing PCI-Express and PCI-X Cards	Optional add-on cards.	PCIE0 PCIE1 PCIE2 PCIX0 PCIX1
5	DIMMs	Section 5.2.3, Removing DIMMs	Can be ordered in the following sizes: 512 MB 1 GB 2 GB 4 GB	See TABLE 5-1 in Chapter 5.
6	Power distribution board	Section 5.2.9, Removing the Power Distribution Board	Provides the main 12V power interconnect between the power supplies and the other boards.	PDB
7	Cable management kit	Cable replacement instructions are provided in the corresponding FRU procedures.	Includes the following: bus bars, hard disk drive cable, motherboard I/O cable, PDB-I/O cable, PDB-DVD cable, front I/O board cable	n/a
8	Power supply units (PS)	Section 4.3.1, Removing a Power Supply	The power supplies provide -3.3 Vdc standby power at 3 Amps and 12 Vdc at 25 Amps. When facing the rear of the system, PS0 is on the left and PS1 is on the right.	PS0 PS1
9	Rear blower	Section 4.4.1, Removing the Rear Blower	Blower.	FT2
10	LED board	Section 5.2.11, Removing the LED Board	Contains the push-button circuitry and LEDs that are displayed on the front bezel of the chassis.	LEDBD
11	Front I/O board	Section 5.2.15, Removing the Front I/O Board	Front I/O board.	FIOBD
12	Fan power board	Section 5.2.13, Removing the Fan Power Board	Houses the connectors and three amber LEDs for the fan assemblies.	FANBD
13	Fans	Section 4.2.1, Removing a Fan	Fans 0, 1, and 2.	FT0/FM0 FT0/FM1 FT0/FM2
14	SAS disk backplane	Section 5.2.19, Removing the SAS Disk Backplane	The SAS backplane board contains the Molex connector for interfacing to 2.5 SAS or S-ATA disk drives. In addition, the board contains four seven-position vertical SAS connectors that bring each of the four SAS links from the I/O board. This board contains the electronic chassis serial number.	SASBP
15	Hard drives	Section 4.5.1, Removing a Hard Drive	SFF SAS, 2.5-inch form-factor hard drives.	HDD0 HDD1 HDD2 HDD3
16	DVD drive	Section 5.2.17, Removing the DVD Drive	DVD/CD-ROM drive.	DVD

TABLE A-1 Server FRU List

Item No.

FRU

Replacement Instructions

Description

FRU Name ^[1]

Motherboard assembly

Section 5.2.7, Removing the Motherboard Assembly

The motherboard assembly is comprised of the following boards that must be replaced as a single FRU:

CPU board - Comprises the central processing subsystem for the server, which includes the UltraSPARC T1 CPU processor, 16 DIMM connectors, the memory controllers, and supporting circuitry.
I/O board - Provides the I/O logic, including the connectors for the PCI-X and PCI-Express interfaces, Ethernet interfaces, all the power interconnections, and miscellaneous logic.

Note: This assembly is provided in different configurations to accommodate the different processor models (4, 6, and 8 core).

IOBD

System controller card (OSP board)

Section 5.2.5, Removing the System Controller Card

This board implements the system controller subsystem. The SC board contains a PowerPC Extended Core, and a communications processor that controls the host power and monitors host system events (power and environmental). The board holds a socketed EEPROM for storing the system configuration, all Ethernet MAC addresses, and the host ID. This board only draws power from the 3.3V standby supply rail, which is available whenever the system is receiving AC input power, even when the system is turned off.

System controller battery

Section 5.2.21, Removing the Battery on the System Controller

Battery.

SC/BAT

PCI-Express and
PCI-X cards

Section 5.2.1, Removing PCI-Express and PCI-X Cards

Optional add-on cards.

PCIE0

PCIE1

PCIE2

PCIX0

PCIX1

DIMMs

Section 5.2.3, Removing DIMMs

Can be ordered in the following sizes:

512 MB
1 GB
2 GB
4 GB

See TABLE 5-1 in Chapter 5.

Power distribution board

Section 5.2.9, Removing the Power Distribution Board

Provides the main 12V power interconnect between the power supplies and the other boards.

PDB

Cable management kit

Cable replacement instructions are provided in the corresponding FRU procedures.

Includes the following: bus bars, hard disk drive cable, motherboard I/O cable, PDB-I/O cable, PDB-DVD cable, front I/O board cable

n/a

Power supply units (PS)

Section 4.3.1, Removing a Power Supply

The power supplies provide -3.3 Vdc standby power at 3 Amps and 12 Vdc at 25 Amps.

When facing the rear of the system, PS0 is on the left and PS1 is on the right.

PS0

PS1

Rear blower

Section 4.4.1, Removing the Rear Blower

Blower.

FT2

LED board

Section 5.2.11, Removing the LED Board

Contains the push-button circuitry and LEDs that are displayed on the front bezel of the chassis.

LEDBD

Front I/O board

Section 5.2.15, Removing the Front I/O Board

Front I/O board.

FIOBD

Fan power board

Section 5.2.13, Removing the Fan Power Board

Houses the connectors and three amber LEDs for the fan assemblies.

FANBD

Fans

Section 4.2.1, Removing a Fan

Fans 0, 1, and 2.

FT0/FM0

FT0/FM1

FT0/FM2

SAS disk backplane

Section 5.2.19, Removing the SAS Disk Backplane

The SAS backplane board contains the Molex connector for interfacing to 2.5 SAS or S-ATA disk drives. In addition, the board contains four seven-position vertical SAS connectors that bring each of the four SAS links from the I/O board. This board contains the electronic chassis serial number.

SASBP

Hard drives

Section 4.5.1, Removing a Hard Drive

SFF SAS, 2.5-inch form-factor hard drives.

HDD0

HDD1

HDD2 HDD3

DVD drive

Section 5.2.17, Removing the DVD Drive

DVD/CD-ROM drive.

DVD

^{1 (TableFootnote) The FRU name is used in system messages.}