Replacing The Dimm Air Baffle; Removing The Sas Cable Guide - IBM x3690 X5 Service Manual

Replacing the DIMM air baffle

To install the DIMM air baffle, complete the following steps:
1. Read the safety information that begins on page "Safety" on page vii and
"Installation guidelines" on page 261.
2. Align the tabs on the sides of the DIMM air baffle with the slots on the power
supply cage and the chassis wall and lower the DIMM air baffle into the server.
RAID
battery
trays
3. Reinstall the cover (see "Replacing the server top cover" on page 265).
4. Slide the server into the rack.
5. Reconnect the power cord and any cables that you removed.
6. Turn on the peripheral devices and the server.
Attention: For proper cooling and airflow, replace the air baffle before turning
on the server. Operating the server with an air baffle removed might damage
server components.

Removing the SAS cable guide

To remove the SAS cable guide, complete the following steps:
1. Read the safety information and installation guidelines, see "Safety" on page vii
and "Installation guidelines" on page 261.
2. Turn off the server (see "Turning off the server" on page 17) and all attached
peripheral devices. Disconnect all power cords; then, disconnect all external
cables as necessary to replace the device.
3. Remove the top cover (see "Removing the server top cover" on page 264).
4. Remove the fan cage assembly (see "Removing the fan cage assembly" on page
331).
5. Disconnect and remove any SAS cables from the cable guide, then remove the
SAS cable guide.
a. Remove the screw from the front of the cable guide (toward the front of the
server).
DIMM
air baffle
Alignment slots
Chapter 5. Removing and replacing components
271