IBM System x3550 M3 Type 4254 Problem Determination And Service Guide

7. If you are instructed to return the heat sink retention module, follow all the
packaging instructions, and use any packaging materials for shipping that are
supplied to you.
Installing a heat sink retention module
To install a heat sink retention module, complete the following steps:
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 167.
2. Align the retention module with the holes on the system board.
3. Use a screwdriver to reinstall the four screws that you removed earlier.
4. Reinstall the microprocessor and heat sink (see “Installing a microprocessor and
heat sink” on page 245).
5. Reinstall the air baffle.
6. Install the cover (see “Installing the cover” on page 174).
7. Slide the server into the rack.
8. Reconnect the power cords and any cables that you removed.
9. Turn on the peripheral devices and the server.
Removing the system board
To remove the system board, complete the following steps.
Notes:
1. When you replace the system board, make sure that you remove the virtual
media key and place it on the new system board. For information about the
location of the key, see “Removing the virtual media key” on page 216.
2. When you replace the system board, you must either update the server with the
latest firmware or restore the pre-existing firmware that the customer provides
on a diskette or CD image. Make sure that you have the latest firmware or a
copy of the pre-existing firmware before you proceed.
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 167.
2. Turn off the server and any attached devices.
3. Turn off the peripheral devices and disconnect all power cords; then, remove
the cover (see “Removing the cover” on page 174).
Note: When you replace the system board, you must either update the server
with the latest firmware or restore the pre-existing firmware that the customer
provides on a diskette or CD image. Make sure that you have the latest
firmware or a copy of the pre-existing firmware before you proceed.
250 IBM System x3550 M3 Types 4254 and 7944: Problem Determination and Service Guide

IBM System x3550 M3 Type 4254 Specifications

General

Processor	Intel Xeon 5600 series
Max Processors	2
Memory	Up to 192 GB DDR3
Form Factor	1U Rack
Chipset	Intel 5520
Drive Bays	Up to 4 hot-swap 2.5-inch SAS/SATA or SSD
RAID Support	RAID 0, 1, 10
Network Interface	Dual-port Gigabit Ethernet
Power Supply	460W or 675W
Expansion Slots	2 PCIe 2.0
Weight	Approximately 17.24 kg (38 lbs)
Memory Slots	18 (RDIMM) or 12 (UDIMM)