System Board; Removing A System Board - HP ProLiant DL145 Maintenance And Service Manual

Figure 27 Connecting the hot-plug SATA/SAS cable assembly to the hot-plug backplane
9. Perform the post-installation procedures described on page 12.

System board

Refer to the following sections for instructions about how to remove or replace a system board.

Removing a system board

A server's system board attaches to the floor of the unit and provides connectivity for all inside components.
1. Perform the pre-installation procedures described on page 11.
2. Follow the instructions for Removing a riser board assembly on page 42 to remove the full-length riser and
the low-profile riser assemblies.
3. Follow the instructions for Removing a memory module on page 40 to remove the DIMMs.
4. Remove the air deflector.
5. Unplug the power supply cables, USB cable, OP panel cable, IDE cable, SATA data cables, and fan cables
from the system board.
Follow the instructions for Removing a processor on page 34 to remove the heat sinks, but leave the
6.
processors until the new system board is mounted to the chassis.
7. Remove the eleven system board mounting screws.
a. Unplug the backplane power cable from the system board.
b. Pull both air deflector mounting tabs away from each side of the heat sink for CPU1.
c. Lift the air deflector off of the system board.
Removal and replacement procedures 29