Dell PowerEdge R905 - Manual (Page 137)

Installing System Components
137
Installing the System Board
1 Transfer the processors and heat sinks to the new system board. See
"Removing a Processor" on page 101 and "Installing a Processor" on
page 103.
2 Remove the memory modules and transfer them to the same locations on
the new board. See "Removing Memory Modules" on page 99 and
"Installing Memory Modules" on page 97.
3 Transfer the riser board to the new system board. See "Removing the Riser
Board" on page 84 and "Replacing the PEM or PEM Shell" on page 78.
4 Install the new system board:
a Holding the system board by the heat sinks, lower the right side of the
system board into the chassis.
b Slowly lower the left side of the system board into the chassis.
NOTE:
Ensure that the power cables from the power distribution board do not
impede the system board as you lower the system board into the chassis.
c Slightly lift up the front of the system board and maneuver the system
board to the bottom of the chassis until it lays completely flat.
d Ensure that all retention hooks on the bottom of the chassis are
inserted into the retention slots on the system board. See Figure 3-34.
e Push the system board toward the back of the chassis until the blue
retention pin snaps into place.
5 If applicable, transfer the internal USB key, SD card, and TOE/iSCSI key.
6 Install the RAID battery compartment:
a Insert the two securing tabs on the battery compartment into the two
securing slots on the side of the chassis. See Figure 3-33.
b Press down the battery compartment to secure it.
7 Connect the cables in the order listed below (see Figure 6-1 and Figure 6-3
for the locations of the connectors on the system board and on the SAS
backplane):
•
The three power distribution cables
• SAS power cable SAS backplane power connector