Advantech AIMB-540, User Manual

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AIMB-540
User’s Manual 26
Function: Jacks for connecting external audio devices to the onboard
audio subsystem.
Description: There are three audio jacks:
1. Line In (mP4G-U & mP4GL-U only) Audio input connector for an
external audio source.
2. Line Out - For the two stereo speakers.
3. Mic - Microphone connector for a computer microphone.
More Information: See the Integrated Peripherals section of “Configur-
ing the CMOS Setup Utility” in Chapter 5 for information on audio set-
tings.
2.3.25 External Audio Jacks:
The onboard audio supports stereo speakers, audio input and a micro-
phone.
Figure 2.20: External Audio Jack
2.3.26 Jumpers
There are five jumper switches on this motherboard. Jumpers function
like switches to establish a hardware configuration setting.
2.3.27 JCMOS1 Clear CMOS
Function: Clears the CMOS Setup Utility configuration record stored in
the real-time clock’s CMOS memory.
Description: A 3-pin jumper. Default Setting: Normal
More Information: See Chapter 3 for configuration information and the
Troubleshooting section in Chapter 6.