Replacing The Processor Board; Removing The Processor Board - Intel SR870BN4 - Server Platform - 0 MB RAM Product Manual

Replacing the Processor Board

The processor board is mounted to the "spine" between the two halves of the processor/memory
module. The board accommodates one to four processors and two memory boards. Removal of the
processor board involves disassembly of the entire processor/memory module.

Removing the Processor Board

1. Observe the safety and ESD precautions described in "Warnings and Cautions" on page 179.
2. Power down the system by pressing and holding the power button on the front panel for several
seconds. Unplug both AC power cords to remove standby power from the server.
3. Remove the processor/memory module from the chassis and place it on a clean, static free work
surface secondary side up.
4. Open the secondary side of the processor/memory module.
5. Remove the secondary side memory board from the processor/memory module as described in
"Replacing Memory Boards" on page 219.
6. Remove the secondary side processors, power pods, and thermal blanks as described in
"Replacing Thermal Blanks, Power Pods and Processors" on page 212.
7. Remove the power Y cable from the processor board.
8. Remove the secondary side DC-to-DC converters as described in "Removing DC-to-DC
Converters from the Processor Board" on Page 225.
9. Close the processor/memory module and turn it over to work on the primary side.
10. Open the processor/memory module and repeat steps 5 through 8 to remove components and
hardware from the primary side of the processor board.
11. Loosen the two captive screws securing the processor board in the processor/memory module
(A Figure 103).
12. To remove the processor board, lift the board up and pull back as shown (B in Figure 103).
13. Place the processor board on a clean ESD protected work surface.
Intel® SR870BN4 Server System Product Guide 227