252 Upgrade and Maintenance Manual BX924 S4
System board components
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Ê Save your changes and exit the BIOS.
I For detailed information on how to access the BIOS and modify
settings, refer to the "D3143 BIOS Setup Utility for PRIMERGY
BX924 S4" reference manual available online.
Ê If applicable, open the rack door as described in section "Opening the rack
door" on page 51.
Ê Locate the desired server blade as described in section "Locating the
defective server blade" on page 43.
Ê Shut down the server blade as described in section "Shutting down the
server blade" on page 52.
Ê Remove the server blade from the system unit as described in section
"Removing the server blade from the system unit" on page 54.
Ê Open the server blade as described in section "Opening the server blade"
on page 55.
10.3.2.3 Removing the TPM
Ê Remove the system board as described in section "Removing the system
board" on page 266.
Ê Lay the system board on a soft, antistatic surface with its component side
facing down.
Figure 115: Removing the TPM screw from the underside of the system board
Ê Locate the slotted lower end of the TPM screw (see arrow).
Ê Carefully loosen the TPM screw using a thin slotted screw driver (e.g.
watchmaker's screw driver) or the dedicated TPM screw driver (Japanese
market).