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5-8 Connecting Cables
ATX Power Connector
The
power
meets the SSI (Superset ATX) 24-
pin specification, however it also
supports a 20-pin power supply
connector. Make sure that the ori-
entation of the PS connector is
correct.
See the table on the right
for pin definitions.
Processor Power
Connector
In addition to the Primary ATX
power connector (above), the 12v
8-pin Processor Power Connector
must also be connected to your
power supply.
the right for pin definitions.
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 definitions.
Power LED
The Power LED connection is lo-
cated on pins 15 and 16 of JF1.
Refer to the table on the right for
pin definitions.
supply
connector
See the table on
Chapter 5: Advanced Motherboard Setup
ATX Power Supply 24-pin Connector
Pin Definitions
Pin Number Definition
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
8-Pin +12v Processor
Power Connector (J56)
Pin
Number
19
20
PW R_LED Pin Definitions
Number
5-13
Pin Number Definition
1
+3.3V
2
+3.3V
3
COM
4
+5V
5
COM
6
+5V
7
COM
8
PW R_OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
Pins
Definition
1 thru 4
Ground
5 thru 8
+12v
NMI Button Pin
Definitions (JF2)
Definition
Control
Ground
(JF1)
Pin
Definition
15
+5V
16
Control
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