Biostar TForce 550 SE User Manual page 17

JATXPWR1: ATX Power Source Connector
This connector allows user to connect 24-pin power connector on the ATX
power supply.
JATXPWR2: ATX Power Source Connector
By connecting this connector, it will provide +12V to CPU power circuit.
1 3
1
2 4 1 2
2 1
4 3
TForce 550 SE
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
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
Pin Assignment
1 +12V
2 +12V
3 Ground
4 Ground
15