System Board Configuration; Processor - HP ProLiant DL145 Maintenance And Service Manual

Figure 33 Installing mounting screws on the system board
3. Follow the instructions for Removing a processor on page 34 and Installing a processor on page 35 to
transfer the CPUs from the old system board to the new system board.
4. Reconnect the power supply cables, USB cable, OP panel cable, IDE cable, SATA data cables, and fan
cables to the system board.
5. Install the air deflector.
6. Follow the instructions for Installing a memory module on page 39 to re-install the DIMMs.
7. Follow the instructions for Installing a riser board assembly on page 43 to re-install the full-length riser and
the low-profile riser assemblies.
8. Perform the post-installation procedures described on page 12.

System board configuration

Refer to the following sections for instructions on how to remove or replace the processors, the memory modules,
the expansion boards, and the system battery.

Processor

The dual 1207-pin processor sockets on the system board support single core, 64-bit AMD Opteron processors
with 1 GHz HT bus and 1 MB on-die L2 cache. Figure 34 shows the two processor sockets (U42 and U55).
a. Place the front edge against the fan bracket.
b. Lay the air deflector lengthwise along the section of the unit containing the power supply
and full-length riser assembly.
c. Pull both air deflector mounting tabs away from the heat sink for CPU1 and release the tabs
around the heat sink guide.
d. Reconnect the backplane power cable to the system board.
Removal and replacement procedures 32