Onboard Connectors; Atx Power Connector; Table 8: Atx Power Connector Pinout; Figure 13: Atx Power Connector - VIA Technologies EPIA-M860-12E User Manual

2.2. Onboard Connectors

2.2.1. ATX Power Connector

For the ATX version of the mainboard, there is a 20-pin ATX power connector onboard. The ATX power connector is
labeled as "ATX_POWER1". The pinout of the ATX power connector is shown below.

Figure 13: ATX power connector

Table 8: ATX power connector pinout

Note:
The ATX version does not have the DC-in connectors or SATA power connectors.
Pin Signal
1 +3.3V
2 +3.3V
3 Ground
4 +5V
5 Ground
6 +5V
7 Ground
8 Power OK
9 +5VSB
10 +12V
Pin Signal
11 +3.3V
12 -12V
13 Ground
14 Power Supply On
15 Ground
16 Ground
17 Ground
18 -5V
19 +5V
20 +5V
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