Instruction manual

MS-6427 Barebone
2-10
Fan Power Connectors: SYSFAN1
The Fan Power Connectors support system cooling fan with +12V. It
supports 3-pins head connector. When connecting the wire to the connectors,
always take note that the red wire is the positive and should be connected to the
+12V, the black wire is Ground and should be connected to GND. If the mainboard
has a System Hardware Monitor chipset on-board, you must use a specially
designed fan with speed sensor to take the advantage of the CPU fan control.
SYSFAN1
SENSOR
+12V
GND
CD-In Connector: CD_IN
This connector is provided for CD-ROM audio.
CD_IN
R
L
GND
Front Panel Audio Connector: JAUD
The JAUD front panel audio connector allows you to connect to
the front panel audio and is compliant with Intel
®
Front Panel I/O Con-
nectivity Design Guide.
Pin Definition
PIN
1
2
3
4
5
6
7
8
9
10
SIGNAL
AUD_MIC
AUD_GND
AUD_MIC_BIAS
AUD_VCC
AUD_FPOUT_R
AUD_RET_R
HP_ON
KEY
AUD_FPOUT_L
AUD_RET_L
DESCRIPTION
Front panel microphone input signal
Ground used by analog audio circuits
Microphone power
Filtered +5V used by analog audio circuits
Right channel audio signal to front panel
Right channel audio signal return from front panel
N/C
No pin
Left channel audio signal to front panel
Left channel audio signal return from front panel
JAUD
10 9
12