BCM Advanced Research Advanced Socket 370 User Manual page 19

A connector is available for audio input from Line-In, Mic-In Header.
Line-Out Header (J9, 5-pin)
A connector is available for audio output.
BIOS Lock Header (JP2, 4-pin)
When 1,2 close, boot block protection enable, 3,4 close all block protection enable. Default is 2,3
for all un-protect.
IEEE 1394 Header (J12, 6-pins)
A second IEEE 1394 pin header for 1394 cable connection.
DVO Pin Header (J29, J30 2x14-pins, Optional)
Pin connection for optional DVO (12bit) to TTL TFT LCD Interface Module.
Installation