Dell PowerEdge XK946 Hardware Owner's Manual page 123

1
Intrusion switch
3 Center brace
5
Center brace lock
7
ZIF lever
9
SATA_A connector
11
Blue plunger
13 SIGNAL connector
CAUTION:
Exercise care when removing the system board to prevent damage to
cables, connectors, and components.
1 Ensure power is removed.
2 Disconnect any USB, VGA, and serial connections on the back of the
chassis.
3 Remove the top cover. See "Removing the Top Cover" on page 60.
4 Remove the cooling shroud. See "Removing the Cooling Shroud" on
page 76.
5 Remove the processor heat sinks. See "Removing a Processor Heat Sink" on
page 101.
6 Remove the SAS controller card. See "Removing a SAS Controller Card"
on page 80.
7 Remove the RAID battery. See "Removing a RAID Battery" on page 85.
8 Disconnect the Intrusion switch from the system board at J1H1.
9 Remove the memory risers. See "Removing a Memory Riser" on page 96.
10 Remove all PCI Express cards. See "PCI Express Add-in Cards" on page 86.
11 Remove the I/O Riser. See "Removing the I/O Riser" on page 110.
12 Remove the back fans and fan housings. See "System Fans" on page 70.
13 Disconnect SATA_A from the system board at J3E2.
14 Remove the SATA_A cable from the center brace channel.
15 Slide the center brace locks toward the back of the chassis to unlock the
center brace, then lift the center brace out of the chassis.
2
SAS backplane
4 Center brace channel
6
Heat sink retention bracket
8
System board
10
SATA_B connector
12
CONTROL PANEL connector
14 PWR DIST CONN connectors (2)
Installing System Components
123