BX924 S4 Upgrade and Maintenance Manual 267
System board components
Figure 121: Installing the system board (A)
Ê Carefully shift the system board to the rear (see arrow) in order to detach it
from the centering bolts (see circles).
Ê Hold the system board by the memory module ejectors and at a slight angle
lift it out of the chassis.
Ê If applicable, remove the TPM as described in section "Removing the TPM"
on page 252.