Technical Reference
61
Table 26. Main Power Connector
Pin Signal
Name
Pin Signal
Name
1
+3.3 V
13
+3.3 V
2
+3.3 V
14
-12 V
3 Ground
15
Ground
4
+5 V
16
PS-ON# (power supply remote on/off)
5 Ground
17
Ground
6 +5
V
18
Ground
7 Ground
19
Ground
8
PWRGD (Power Good)
20
No connect
9
+5 V (Standby)
21
+5 V
10 +12
V
22 +5
V
11 +12
V
23 +5
V
12
2 x 12 connector detect
24
Ground
Table 27. Processor Power Connector (2 x 4 Pin)
Pin Signal
Name
Pin Signal
Name
1
Ground
5
+12 V – Rail 1
2
Ground
6
+12 V – Rail 1
3
Ground
7
+12 V – Rail 2
4
Ground
8
+12 V – Rail 2
Table 28. Processor Power Connector (2 x 2 Pin)
Pin Signal
Name
Pin Signal
Name
1 Ground
2 +12
V
2 Ground
4 +12
V
Table 29. Alternate Power Connector
Pin Signal
Name
1 +12
V
2
1 x 4 connector detect
3 Ground
4 +5
V
