Main Power Connector - Intel DX58SO2 Specification

Table 19. Main Power Connector
Pin Signal Name
1 +3.3 V
2 +3.3 V
3 Ground
4 +5 V
5 Ground
6 +5 V
7 Ground
8 PWRGD (Power Good)
9 +5 V (Standby)
10 +12 V
(Note)
11 +12 V
12 2 x 12 connector detect
Note: When using a 2 x 10 power supply cable, this pin will be unconnected.
Table 20. Auxiliary PCI Express Graphics Power Connector
Pin Signal Name
1 +12 V
2 1 x 4 connector detect
3 Ground
4 +5 V
For information about
Power supply considerations
Pin Signal Name
13 +3.3 V
14 -12 V
15 Ground
16 PS-ON# (power supply remote on/off)
17 Ground
18 Ground
19 Ground
20 No connect
21 +5 V
22 +5 V
23 +5 V
(Note)
24 Ground
Refer to
Section 2.5.1 on page 56
Technical Reference
(Note)
(Note)
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