IBM System x3550 M3 Type 4254 Problem Determination And Service Guide

Removing the DIMM air baffle
To remove the DIMM air baffle, complete the following steps:
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 167.
2. Turn off the server and peripheral devices and disconnect all power cords and
external cables if necessary. Remove the server cover (see “Removing the
cover” on page 174).
3. Grasp the DIMM air baffle and lift the baffle up, making sure that the pin comes
out of the pin hole on the system board to the left of DIMM connector 8.
DIMM air baffle
Baffle pin hole
Baffle pin
4. Remove it from the server and set it aside.
Attention: For proper cooling and airflow, replace the air baffle before you
turn on the server. Operating the server with an air baffle removed might
damage server components.
Chapter 5. Removing and replacing server components 177

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)