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5-7
Connector Defi nitions
Power Headers (JPWR1,JPWR2,J3)
These headers are used to connect the
motherboard to the power supply. These
connectors are proprietary to the 1U
chassis. Please see the table on the
right for pin defi nitions.
JPWR1 and JPWR2 must be attached
to the power supply at same time along
with J3 below.
The four pin power header at J3 is
auxilliary power (PS_ON#) for the
system.
HDD Power (JP1,JP2)
These power headers provide 12V power
to standard internal drives with Molex
4-pin power connectors. Please see pin
defi nitions on the right.
Serial Link Headers (6-SGPIO)
The 6-SGPIO1 and 6-SGPIO2 (Serial-
Link General Purpose Input/Output)
are located near the USB4 port on
the motherboard. These headers are
connected to the AOC SAS/SATA and
are used to communicate with the
enclosure management chip in the
system. See the table on the right for
pin defi nitions. Refer to the board layout
below for the locations of the headers.
Chapter 5: Advanced Motherboard Setup
Power Header (JPWR1, JPWR2)
Pin Defi nitions
Pin# Defi nition
1
GND
2
GND
3
GND
4
GND
Power Header (J3)
Pin Defi nitions
Pin# Defi nition
1
GND
2
GND
HDD Power (JP1,JP2)
Pin Defi nitions
Pin# Defi nition
1
Ground
2
Ground
3
Ground
4
Ground
Pin Defi nitions
Pin# Defi nition
1
NC
3
Ground
5
Load
7
Clock
Note: NC indicates no connection.
5-15
Pin# Defi nition
5
+12V
6
+12V
7
+12V
8
+12V
Pin# Defi nition
3
P5V_STBY
4
PS_ON#
Pin# Defi nition
5
Vcc 12
6
Vcc 12
7
Vcc 5
8
Vcc 5
S-SGPIO 1/2
Pin# Defi nition
2
DATA In
4
DATA Out
6
Ground
8
NC
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