Dell PowerEdge R810 Owner's Manual page 156

6 Remove the cable clamp. See Figure 3-10.
7 If applicable, remove the RAID battery. See "Removing a RAID Battery" on
page 129.
8 Remove the RAID battery carrier. See Figure 3-21.
9 Remove the memory modules. See "Removing Memory Modules" on
page 107.
10 Remove the cooling fan assembly. See "Removing the Cooling Fan
Assembly" on page 110.
WARNING:
powered down. Make sure that you do not touch the heat sink(s) while removing
the system board.
11 Remove the heat sinks and processors. See "Removing a Processor" on
page 134.
12 If installed, remove the heat-sink blanks. See "Removing a Processor" on
page 134.
13 Remove all expansion cards and the integrated storage controller card. See
"Removing an Expansion Card" on page 118, and "Removing the
Integrated Storage Controller Card" on page 126.
14 Remove the expansion card risers. See "Removing Expansion-Card Riser 1"
on page 119 and "Removing Expansion-Card Riser 2" on page 121.
15 If applicable, remove the NIC hardware key from the I/O board. See
"Internal NIC Hardware Key" on page 113.
16 Disconnect the cables from the system board assembly, SAS backplane,
control panel board, and the optical drive.
17 Slightly lift the tab on the high speed connector to free the release levers.
See Figure 3-31.
18 Push the release levers at an angle of 90 degrees away from the connector
to separate the processor board from the I/O board. See Figure 3-31.
19 Slightly push the processor board toward the front of the system to free the
guide pins on one half of the connector from the slots on the other half of
the connector.
NOTE:
The power distribution board connector disengages from the processor
board when the processor board is separated from the I/O board.
156
Installing System Components
The heat sink is hot to touch for some time after the system has been