Dell PowerEdge R715 - Manual (Page 144)

144 Installing System Components
8 Remove the cooling fan assembly. See "Removing the Cooling Fan
Assembly" on page 100.
WARNING: The heat sink is hot to touch for some time after the system has been
powered down. Make sure that you do not touch the heat sink(s) while removing
the I/O board or the processor board.
9 Remove the heat sinks and processors. See "Removing a Processor" on
page 123.
10 If you are removing the I/O board, remove all expansion cards and the
integrated storage controller card. See "Removing an Expansion Card" on
page 108, and "Removing the Integrated Storage Controller Card" on
page 113.
11 If you are removing the I/O board, remove the expansion card risers.
See "Removing Expansion-Card Riser 1" on page 109 and "Removing
Expansion-Card Riser 2" on page 111.
12 If applicable, remove the NIC hardware key from the I/O board.
See "Internal NIC Hardware Key" on page 103.
13 Disconnect the cables from the system board assembly, SAS backplane,
control panel board, the optical drive, and other components.
14 Lift the tab on the high speed connector to free the release levers.
See Figure 3-29.
15 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 3-29.
16 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.
CAUTION: Do not lift the system board assembly by grasping a memory module,
processor, or other components.
book.book Page 144 Thursday, June 3, 2010 4:35 PM