1 main atx power connector (p33), 2 auxilary atx power connector (p34), C power connector (p37) – Intel STL2 User Manual
Page 76

Jumpers and Connectors
STL2 Server Board TPS
5-68
5.2.1 Main ATX Power Connector (P33)
Table 5-6. Main ATX Power Connector Pinout
Pin
Signal
Wire color
Pin
Signal
Wire Color
1
+3.3 VDC
Orange
13
+3.3 VDC
Orange
2
+3.3 VDC
Orange
14
-12 VDC
Blue
3
COM
Black
15
COM
Black
4
+5 VDC
Red
16
PS-ON_L
Green
5
COM
Black
17
COM
Black
6
+5 VDC
Red
18
COM
Black
7
COM
Black
19
COM
Black
8
PWR-GD
Grey
20
N.C.
N.C.
9
5 VSB
Purple
21
+5 VDC
Red
10
+12 VDC
Yellow
22
+5 VDC
Red
11
+12 VDC
Yellow
23
+5 VDC
Red
12
+3.3 VDC
Orange
24
COM
Black
5.2.2 Auxilary ATX Power Connector (P34)
Table 5-7. Auxiliary ATX Power Connector Pinout
Pin
Signal
Wire Color
1
+5 VDC
Red
2
+3.3 VDC
Orange
3
+3.3 VDC
Orange
4
COM
Black
5
COM
Black
6
COM
Black
5.2.3 I
2
C Power Connector (P37)
Table 5-8. I
2
C Power Connector Pinout
Pin
Signal
Pin
Signal
1
N.C.
6
N.C.
2
N.C.
7
N.C.
3
+3.3 VDC
8
N.C.
4
N.C.
9
I
2
C Data
5
N.C.
10
I
2
C Clock