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Clear CMOS Jumper: JP1
The "Clear CMOS" function is used when you cannot boot your system due to some CMOS
problems, such as a password is forgotten. This jumper allows you to reset the CMOS
configurations, and then reconfigure it.
Note: Close stands for putting a jumper cap onto two header pins.
The following steps explain how to reset your CMOS configurations
when you have forgotten your system password.
1. Turn off your system and disconnect the AC power cable.
2. Set JP1 header to OFF (2-3 Closed).
3. Wait several seconds.
4. Set JP1 header to ON (1-2 closed).
5. Connect the AC power cable and turn on your system.
6. Reset your new password.
Audio Configuration
CD-ROM Audio-In Connector: CD-IN
The CD-IN connector is used to attach an audio cable to audio devices such as CD-ROMs,
DVD-ROMs etc.
CD-IN
SPDIF Header: SPDIF
S/PDIF is a recent audio transfer file format, which provides high quality audio using
optical fiber and digital signals. This mainboard is capable to deliver audio output and
receive audio input through the SPDIF header. One way you would use this header is by
using an SPDIF bracket (optional) and attaching its cord onto this SPDIF header. The RCA or
JP1
Normal (Defult)
Pin 1-2 Close
Clear CMOS Data
Pin 2-3 Close
Pin
1
1
2
3
4
15
Mainboard PX915P-2V
Assignment
Assignment
Left channel input
Ground
Ground
Right channel input
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