7.
DISTRIBUTION AND PIN ASSIGNMENT
24 PIN ATX power connector
Pin
Signal
1
+3�3VDC
2
+3�3VDC
3
COM
4
+5VDC
5
COM
6
+5VDC
7
COM
8
PWR_OK
9
+5VSB
10
+12VDC
11
+12VDC
12
+3�3VDC
+12V power connector
E P S + 1 2 V P O W E R C O N N E C T O R
Pin
Color
Pin
Signal
1
2
1
COM
3
2
COM
4
3
COM
P C I E X P R E S S V G A C O N N E C T O R
4
COM
Pin
Color
Yellow
1
Yellow
2
3
Yellow
48
7
Black
Pin
13
14
15
16
17
18
19
20
21
22
23
24
Signal
Pin
COM
Black
COM
Black
5
COM
Black
6
COM
Black
7
8
Signal
+12VDC
+12VDC
+12VDC
COM
Signal
+3�3VDC
+3�3Vdef�
sense
-12VDC
COM
PS_ON/OFF
COM
COM
COM
+5VDC
+5VDC
+5VDC
COM
Pin
Color
Signal
5
Yellow
+12VDC
Yellow
+12VDC
6
+12VDC
7
Yellow
+12VDC
+12VDC
8
Yellow
+12VDC
+12VDC
+12VDC
Pin
Color
4
Black
5
Black
6
Black
8
Black
Signal
Signal
COM
COM
COM
COM