Motherboard Manual
16
J1394PWR1: Power Source for 1394 Firewire Port
Pin 1-2 Close:
J1394PWR1: +12V for 1394 Port at J1394B1.
Pin 2-3 Close:
J1394PWR1: 1394 header at J1394PWR1 are powered by +12V standby
voltage.
1
3
Pin 1-2 Close
+3.3V for 1394 chipset.
(Default)
1
3
1
3
Pin 2-3 close
+3.3V SB for 1394 chipset.
JAUDIOF1: Front Panel Audio Header
This header allows user to connect the front audio output cable with the PC front
panel. It will disable the output on back panel audio connectors.
Pin Assignment
1 Mic
in/center
2 Ground
3 Mic
power/Bass
4 Audio
power
5
Right line out/
Speaker out Right
6
Right line out/
Speaker out Right
7 Reserved
8 Key
9
Left line out/
Speaker out Left
1
2
9
10
10
Left line out/
Speaker out Left