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4 - p i n A u x i l i a r y P o w e r
Connector
In addition to two 20-pin power con-
nectors, a 4-pin 12V PWR supply
is located on the motherboard to
provide adequate power to the sys-
tem. This power connector is used to
provide power supply to hard drive
disks. Refer to the layout below for
the location.
Note1 : The 4-pin Auxiliary Power
Connector is used for power supply
output to the HDDs only.
Note 2: The black square (dot) on the
power connector indicates the loca-
tion of Pin 1. (See the pictures below
for the power cable connections.)
A
B
LAN1
SIMS0
LAN2
S I/O
PCI-E x8
4-Pin Power
Pin Defi nitions
Pin #
1
2
3
5
Required Connection
D
FP CTRL
CPU1
CPU2
BIOS
2-15
Chapter 2: Installation
Defi nition
+12V
Ground
Ground
+5V
C
B
A. 4-pin Aux. PWR
B. One Male (Receptacle)
PWR Connector
C.& D. Two Female PWR
Connectors
A
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