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Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.8 No. 4)
PIN
2
1
1. High Definition Audio supports Jack Sensing, but the panel wire on
the chassis must support HDA to function correctly. Please follow the
instruction in our manual and chassis manual to install your system.
2. If you use AC'97 audio panel, please install it to the front panel audio
header as below:
A. Connect Mic_IN (MIC) to MIC2_L.
B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.
C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for HD audio panel only. You don't
E. To activate the front mic.
COM Port Header (RS232/422/485)
(9-pin COM1: see p.8, No. 6)
* This motherboard supports RS232/422/485 on COM1 port. Please refer to below table for the pin
definition. In addition, COM1 port (RS232/422/485) can be adjusted in BIOS setup utility > Advanced
Screen > Super IO Configuration. You may refer to page 23 for details.
PIN
Signal
Signal
PIN
Name
Name
AGND
4
NC
LIN1_L_
LIN1_R_
3
IN
IN
need to connect them for AC'97 audio panel.
Go to the "FrontMic" Tab in the Realtek Control panel. Adjust
"Recording Volume".
COM1 Port Pin Definition
RS232
1
DCD, Data Carrier Detect
2
RXD, Receive Data
3
TXD, Transmit Data
4
DTR, Data Terminal Ready
5
GND
6
DSR, Data Set Ready
7
RTS, Request To Send
8
CTS, Clear To Send
9
N/A
This is an interface for front
panel audio cable that allows
convenient connection and
control of audio devices.
Signal
PIN
PIN
Name
6
LIN1_JD
8
LIN2_R_
5
7
OUT
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
RS422
TX-
TX+
RX+
RX-
GND
N/A
N/A
N/A
N/A
15
Signal
Signal
PIN
Name
Name
LIN2_JD 10
NC
LIN2_L_
AGND
9
OUT
RS485
RTX-
RTX+
N/A
N/A
GND
N/A
N/A
N/A
N/A
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