Name: Biostar TB250-BTC+
Brand: Biostar
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18 | Chapter 2: Hardware Installaon

F_AUDIO1: 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 Le 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 Le line in 9 LFT Line Out

10 Jack Sense 10 LFT Line Out

Note

 Itisrecommendedthatyouconnectahigh-denionfrontpanelaudiomoduletothisconnectorto

availofthemotherboard’shighdenionaudiocapability.

 Pleasetrytodisablethe“FrontPanelJackDetecon”ifyouwanttouseanAC’97frontaudiooutput

cable.ThefunconcanbefoundviaO.S.AudioUlity.

COM1: Serial Port Header

The motherboard has a serial port header for connecng RS-232 Port.

Pin Assignment

1 Carrier detect

2 Received data

3 Transmied 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

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Biostar TB250-BTC+ Specifications

General