15.7 System board
15.7.1 Replacing the system board
Note on TPM
I The system board can be equipped with an optional TPM (Trusted
Platform Module). 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 a detailed description, please refer to section "Replacing the
TPM" on page 317.
The TPM is activated in the system BIOS.
Field Replaceable Unit
(FRU)
Hardware: 40 minutes
Software: 20 minutes
Tools: Replacing the system board:
– Phillips PH2 / (+) No. 2 screw driver
– Magnifying glass for inspecting processor 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 the Japanese market:
– Dedicated TPM screw driver (CWZ8291A)
– TPM module fixing tool (S26361-F3552-L909)
If an UFM is installed:
– Phillips PH1 / (+) No. 1 screw driver
If a DynamicLoM module is installed:
– Phillips PH1 / (+) No. 1 screw driver
– hexagon screw driver 5mm
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