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10.3.3 Replacing the TPM
Field Replaceable Units (FRU)
Average task duration: 40 minutes
V
CAUTION!
Advise your contact persons that they must provide you with TPM
backup copies. For security reasons, the TPM must be restored/re-
saved by the customer. After installing a new system board, the TPM
must be enabled. You may not clear the TPM data.
If the contact persons DO NOT have a backup copy available, inform
them that replacing the TPM will cause to lose all data.
10.3.3.1 Required tools
Preliminary and concluding steps: tool-less
●
Removing the system board:
●
– Phillips PH2 / (+) No. 2 screw driver
Replacing the TPM:
●
– Bit screw driver
– TPM bit insert
– thin slotted screw driver (
(
)
*
For the Japanese market:
– Dedicated TPM screw driver (CWZ8291A)
– TPM module fixing tool (S26361-F3552-L909)
BX920 S4
(
)
*
2 x 0.4 mm)
Upgrade and Maintenance Manual
System board components
(
)
*
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