Removing And Replacing The System Board; Removing The System Board - HP Integrity BL870c User's & Service Manual

5. Reboot the server blade.
Ignore all TPM errors during boot.
6. Set the TPM to the recorded state in Step 1 of
If the TPM is disabled, enable it with the secconfig tpm on command.
If the TPM is enabled, disable it with the secconfig tpm off command.
7. Reboot the server blade.
Make sure there are no errors during boot.

Removing and Replacing the System Board

The following procedures describe how to remove and replace the system board from the server
blade. When a system board fails, you must remove the following components from the failed
system board and install them on the new system board, unless they caused the failure:
SAS disk drives
Memory mezzanine board
Processors and power connectors
Mezzanine cards
SAS backplane and cable
Front panel
TPM
Air baffles
CAUTION:
grounded before beginning any removal or installation procedure.
For more information, see

Removing the System Board

IMPORTANT:
To remove a system board from the server blade:
1. Power off the server and remove it from the enclosure.
See "Preparing the Server Blade for Servicing" (page
2. Place the server blade on an antistatic pad, with the left access panel facing up.
3. Remove the SAS disk drives. See
4. Remove the left access cover.
See "Removing the Left Access Panel" (page
5. Remove the processor air baffle by pulling it straight up and out of the server blade.
6. Remove the memory mezzanine board.
See "Removing the Memory Mezzanine Board" (page
7. Remove the processors from the system board (if necessary).
See "Removing a Processor" (page
8. Remove the processor power MVR cable by pulling it straight up and out of the server blade.
9. Install the left access cover and turn the server blade over to access the right side of the server
blade.
138 Removing and Replacing Components
Electrostatic discharge can damage electronic components. Ensure you are properly
"Safety Information" (page
It is not necessary to remove the server battery from the system board.
"Removing the TPM" (page
26).
113).
"Removing a SAS Disk Drive" (page
118).
123).
125).
136).
111).