Biostar B660MX-E PRO Manual page 19

F_AUDIO: Front Panel Audio Header
This header allows user to connect the chassis-mount front panel audio I/O which supports HD
and AC'97 audio standards.
Note
» When using the front HD audio jack and plug in the headset, the rear sound will be automatically Disabled.
» It is recommended that you connect a high-definition front panel audio module to this connector to
avail of the motherboard's high definition audio capability.
» Please try to disable the "Front Panel Jack Detection" if you want to use an AC'97 front audio output
cable. The function can be found via O.S. Audio Utility.
COM1: Serial Port Header
The motherboard has a serial port header for connecting RS-232 Port.
12V_LED: RGB LED Device (5050 SMD) Header
This header providers 12V power and RGB control pins for RGB LED Device (5050 SMD).
I
B660MX-E PRO
HD Audio AC'97
Pin Assignment Pin Assignment
1 Mic Left in 1
2 Ground 2
3 Mic Right in 3
4 GPIO 4
5 Right line in 5
6 Jack Sense 6
7 Front Sense 7
8 Key 8
9 Left line in 9
10 Jack Sense 10
Pin Assignment
1 Carrier detect
2 Received data
3 Transmitted data
4 Data terminal ready
5 Signal ground
6 Data set ready
7 Request to send
8 Clear to send
9 Ring indicator
10 Key
Pin Cable Color Assignment
1 12V (Black)
2 G (Green)
3 R (Red)
4 B (Blue)
Chapter 2: Hardware installation | 19
B660MH-E PRO
Mic In
Ground
Mic Power
Audio Power
RT Line Out
RT Line Out
Reserved
Key
LFT Line Out
LFT Line Out
VCC12
LED_GREEN
LED_RED
LED_BLUE