Intel A300 - page 48

A300 Motherboard
The 20-pin ATX power connector is connected to an AT power supply.
Figure 4-3: ATX Power Connector Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 3.3V 11 3.3V
2 3.3V 12 -12V
3 GND 13 GND
4 5V 14 PSON
5 GND 15 GND
6 5V 16 GND
7 GND 17 GND
8 PWR OK 18 -5V
9 5VSB 19 5V
10 12V 20 5V
Table 4-3: ATX Power Connector Pinouts
4.2.2 Audio Connector
CN Label: AUDIO1
CN Type: 3-pin wafer connector
CN Location: See Figure 4-4
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