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System-board layouts
The following illustrations show the connectors, LEDs, switches, and jumpers on the
system board. The illustrations in this document might differ slightly from your
hardware.
System-board connectors
The following illustration shows the connectors on the system board.
System-board switches
The following illustration shows the location of the switch block (SW2) on the
system board.
The following table defines the function of each switch in the switch block (SW2).
I/O expansion
option
Switch
SW2-1
SW2-2
SW2-3
SW2-4
SW2-5
DIMM 1
DIMM 2
DIMM 3
DIMM 4
Battery
SAS hard disk drive 0
SAS hard disk drive 1
Function
BIOS backup
Wake On LAN
Reserved
Power-on override
Reserved
Microprocessor 1
and heat sink
Microprocessor 2
and heat sink option
Control-panel
connector
Switch block (SW2)
Chapter 1. Introduction
7
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