MS6391E Mainboard User’s Manual
16
Audio Ports and Game/MIDI Port Extension Bracket
This bracket provides three audio jacks for stereo line in, stereo
line out and microphone. In addition it has a 15-pin D-connector
which can be used by either a joystick or a MIDI device.
If you are using a four channel speaker system, channel one and
two are output through the Stereo Line-out, and the rear speaker
channels three and four are output through Stereo Line-in.
1.
On the mainboard, locate the J4-Sound header for this bracket.
2.
Plug the cable from the bracket into the header.
3.
In the system chassis, remove a blanking plate from one of the
expansion slots and install the extension bracket in the slot.
Use the screw that held the blanking plate in place to secure
the extension bracket.
J4-Sound Header
Audio Ports & Game/MIDI
Extension Bracket
Stereo Line-in
/Rear speaker
channels 3-4
Microphone
Stereo Line-out
/Speaker
channels 1-2
Game/MIDI
1
