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5-8
Connector Defi nitions
ATX Power Connection
The power supply connector meets
the SSI (Superset ATX) 24-pin specifi -
cation. Make sure that the orientation
of the connector is correct. See the
table on the right for pin defi nitions.
PWR_SEC Connection
In addition to the Primary ATX power
connector (above), the Secondary
12v 8-pin J15 connector (J38) must
also be connected to your power sup-
ply. See the table on the right for pin
defi nitions.
Processor Power Connector
The header at J1D1 must also be con-
nected to the power supply to provide
power for the processor(s). See the
table on the right for pin defi nitions.
NMI Button
The non-maskable interrupt button
header is located on pins 19 and 20
of JF1. Refer to the table on the right
for pin defi nitions.
Power LED
The Power LED connection is located
on pins 15 and 16 of JF1. Refer to the
table on the right for pin defi nitions.
Chapter 5: Advanced Serverboard Setup
ATX Power 24-pin Connector
Pin Defi nitions (JPW1)
Pin#
Defi nition
13
+3.3V
14
-12V
15
COM
16
PS_ON
17
COM
18
COM
19
COM
20
Res (NC)
21
+5V
22
+5V
23
+5V
24
COM
+12V 4-pin Power
Pin Defi nitions (J38)
Pins
1 & 2
3 & 4
Processor Power
Pin Defi nitions (J1D1)
Pins
1 through 4
5 through 8
NMI Button
Pin Defi nitions (JF1)
Pin#
19
20
Power LED
Pin Defi nitions (JF1)
Pin#
15
16
5-11
Pin #
Defi nition
1
+3.3V
2
+3.3V
3
COM
4
+5V
5
COM
6
+5V
7
COM
8
PWR_OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
Defi nition
Ground
+12V
Defi nition
Ground
+12V
Defi nition
Control
Ground
Defi nition
Vcc
Control
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