14.8 System board
14.8.1 Replacing the system board
Field Replaceable Unit
(FRU)
Hardware: 50 minutes
Software: 10 minutes
Tools: Replacing the system board:
– Phillips PH2 / (+) No. 2 screw driver
– Magnifying glass for inspecting CPU socket springs
(recommended)
Replacing the TPM:
– Bit screw driver
– flat nose pliers
–
TPM bit insert
(*)
–
thin slotted screw driver (2 x 0.4 mm)
(*)
(*)
For Japan:
– Dedicated TPM screw driver (CWZ8291A)
– TPM module fixing tool (S26361-F3552-L909)
Note on TPM
The system board can be equipped with an optional TPM. This module
enables third party programs to store key information (e. g. drive
encryption using Windows Bitlocker Drive Encryption).
If the customer is using TPM functionality, the TPM has to be removed
from the defective system board and connected to the new system
board. For more information, see "Replacing the TPM" on page 425.
The TPM has to be enabled in the system BIOS.
System board and components
TX1330 M4 Upgrade and Maintenance Manual 449
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