Biostar TFORSCE4 U AM2 Setup Manual page 21

On-Board Buttons (optional)
There are 2 on-board buttons.
PWRSW1:
This is an on-board Power Switch button.
RSTSW2:
This is an on-board Reset button.
JSPDIF_OUT1: Digital Audio-out Connector
This connector allows user to connect the PCI bracket SPDIF output header.
PWRSW RSTSW
(Optional) (Optional)
3 1
TForce4 U AM2
Pin Assignment
1 +5V
2 SPDIF_OUT
3 Ground
19