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System board and components
▶ Remove the 12 screws (see blue circles) from the bottom system board.
Figure 203: Removing the bottom system board
▶ Use both green knobs (see orange circles) to lift the bottom system board
carefully out of the chassis in a slight angle. Thereby you pull the connectors
out of the I/O panel.
CAUTION
▶
Always take the bottom system board with the knob.
▶
Never lift the bottom system board one-sided or at a heat
sink, because the solder connections between the socket
and the system board come under tension and increase the
risk of damage and malfunction.
▶
Do not damage the EMI springs which are essential to comply
with applicable EMC regulations and satisfy cooling
requirements and fire protection measures.
▶ Place the removed bottom system board and the new bottom system board
on an antistatic surface.
▶ Remove both green knobs from the bottom system board (see orange
circles in
Figure
▶ Remove the TPM, see
364
202).
"Removing the TPM" on page
Upgrade and Maintenance Manual
319.
RX4770 M5
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