Connectors And Slots - Biostar TA970 Setup Manual

Motherboard Manual

2.5 Connectors and Slots

ATXPWR2: ATX Power Source Connector
This connector provides +12V to CPU power circuit.
ATXPWR1: ATX Power Source Connector
This connector allows user to connect 24-pin power connector on the ATX
power supply.
Pin Assignment
13 +3.3V
14 -12V
15 Ground
16 PS_ON
17 Ground
18 Ground
19 Ground
20 NC
21 +5V
22 +5V
23 +5V
24 Ground
Note1: Before you power on the system, please make sure that both ATXPWR1 and
ATXPWR2 connectors have been plugged-in.
Note2: Insufficient power supplied to the system may result in instability or the
peripherals not functioning properly. Use of a PSU with a higher power output is
recommended when configuring a system with more power-consuming devices.
10
Pin Assignment
1 +12V
2 +12V
3 Ground
4 Ground
Pin Assignment
1 +3.3V
2 +3.3V
3 Ground
4 +5V
5 Ground
6 +5V
7 Ground
8 PW_OK
9 Standby Voltage+5V
10 +12V
11 +12V
12 +3.3V