Biostar B660MH-E, Manual

Page: 19 / 136

Chapter 2: Hardware installation | 19
B660MX-E PRO
I
B660MH-E PRO
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.
HD Audio AC’97
Pin Assignment Pin Assignment
1 Mic Left in 1 Mic In
2 Ground 2 Ground
3 Mic Right in 3 Mic Power
4 GPIO 4 Audio Power
5 Right line in 5 RT Line Out
6 Jack Sense 6 RT Line Out
7 Front Sense 7 Reserved
8 Key 8 Key
9 Left line in 9 LFT Line Out
10 Jack Sense 10 LFT Line Out
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.
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
12V_LED: RGB LED Device (5050 SMD) Header
This header providers 12V power and RGB control pins for RGB LED Device (5050 SMD).
Pin Cable Color Assignment
1
12V (Black) VCC12
2 G (Green) LED_GREEN
3 R (Red) LED_RED
4 B (Blue) LED_BLUE