User`s guide

ATX Connector Supply
M1 System Management Board User’s Guide 19
Note: Do not plug in the ATX supply to J73.
9 +5 VSB
10 +12 VDC
11 +3.3 VDC
12 –12 VDC
13 COM
14 PS_ON#
15 COM
16 COM
17 COM
18 N/C
19 5 VDC
20 5 VDC
Table 2-9 · ATX Main Power Connect Pinout by Function
Signal Function Pin Number
+3.3 VDC 1
+3.3 VDC 2
+3.3 VDC 11
5 VDC 19
5 VDC 20
+5 VDC 4
+5 VDC 6
+5 VSB 9
–12 VDC 12
+12 VDC 10
COM 3
COM 5
COM 7
COM 13
COM 15
Table 2-8 · ATX Main Power Connector Pinout (Continued)
Pin Number Signal Function