Intel KM4M Computer Hardware User Manual


 
2-21
Hardware Setup
Connected to JSP1
SPDIF Bracket (optional)
Front Panel Audio Connector: JAUD1
The JAUD1 front panel audio connector allows you to connect to the front panel
audio and is compliant with Intel
®
Front Panel I/O Connectivity Design Guide.
JAUD1
1
2
10
9
MSI Reminds You...
If you don’t want to connect to the front audio header, pins
5 & 6, 9 & 10 have to be jumpered in order to have signal
output directed to the rear audio ports. Otherwise, the
Line-Out connector on the back panel will not function.
5
6
10
9
JSP1
VCC
SPDIF
GND
SPDIF-Out Connector: JSP1
This connector is used to connect SPDIF (Sony & Philips Digital Interconnect Format)
interface for digital audio transmission.
PIN SIGNAL DESCRIPTION
1 AUD_MIC Front panel microphone input signal
2 AUD_GND Ground used by analog audio circuits
3 AUD_MIC_BIAS Microphone power
4 AUD_VCC Filtered +5V used by analog audio circuits
5 AUD_FPOUT_R Right channel audio signal to front panel
6 AUD_RET_R Right channel audio signal return from front panel
7 HP_ON Reserved for future use to control headphone amplifier
8 KEY No pin
9 AUD_FPOUT_L Left channel audio signal to front panel
10 AUD_RET_L Left channel audio signal return from front panel
JAUD1 Pin Definition