384 Upgrade and Maintenance Manual
RX2520 M4
System board and components
Ê Remove the TPM, see section "Removing the TPM" on page 356.
15.7.1.3 Installing the new system board
Ê Check the settings on the new system board (see section "Onboard
settings" on page 406).
Ê Insert the system board by holding it at a slight angle. Slide the connectors
into the I/O panel (see figure 269 on page 383).
Ê Lower the system board carefully into the chassis.
Ê Adjust the system board. If necessary adjust the position of the system
board with a gentle twisting motion (orange circles in figure 269 on page 383
show the centering bolts).
Ê Fasten the system board with the 13 screws (see figure 269 on page 383).
Ê For Japan / APAC / North America only:
Replace the CMOS battery installed on the new system board with a new
CMOS battery (see section "CMOS battery" on page 349), because
charging of CMOS battery might be reduced during stocked in warehouse.
Ê Remove the heat sink with the CPU from the defective system board, see
section "Removing the heat sink" on page 259.
Ê Remove the protective plastic cover from the CPU socket of the new system
board and fit it onto the socket of the defective system board which will be
sent back to spares.
I Returned system boards without this cover probably have to be
scrapped.
Ê Install the heat sink with the CPU on the new system board, see section
"Installing the CPU and heat sink" on page 253.
Ê Reconnect all cables to the system board:
– Front panel cable
– Front USB cable
– Power cable(s) for HDD backplane(s)
– SATA cable(s) for HDD backplane
– SATA cable for ODD (if applicable)
– Power cable for ODD (if applicable)
– OOB cable (if applicable)
I For the cable plan, see chapter "Appendix B" on page 411.
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