11
Serial COM Port 9-pin Block
Pin1
These connectors support cooling fans of 350mA (4.2 Watts) or less, depending on the
fan manufacturer, the wire and plug may be different. The red wire should be positive,
while the black should be ground. Connect the fan’s plug to the board taking into
consideration the polarity of connector.
FAN Power Headers
CPUFAN
1
4
GND
+1
2V
CP
UF
AN
IN
CP
UF
AN
O
UT
SYSFAN1
1
3
SYSFAN2
1
3
(9) CD Audio-In Headers (4-pin) : CDIN
CDIN are the connectors for CD-Audio Input signal.
Please connect it to CD-ROM CD-Audio output
connector.
(10) Serial COM Port header: (Optional)
COM1 is the 9-pin block pin-header. The On-board
serial port can be disabled through BIOS SETUP.
(11) HDMI SPDIF Out header: SPDIF Out
The SPDIF output is capable of providing digital audio to external speakers or compressed
AC3 data to an external Dolby digital decoder. Use this feature only when your stereo system
has digital input function.
CD Audio-In Headers
CDIN
4
1
1
2
HDMI_SPDIF_OUT
GND
SPDIF
