mP4G/mP4GL Series Motherboard

JCMOS1 Clear CMOS:

Default – Normal

JCMOS1

Pin 1

Jumpers

There are five jumper switches on this motherboard. Jumpers function like switches to establish a hardware configuration setting.

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

JDIMMVOLT1

DDR Voltage:

Default – 2.5V

Pin 7

Pin 1

JDIMMVOLT1

Pin 8

Pin 2

More Information: See Chapter 3 for configuration information and the Troubleshooting section in Chapter 6.

JDIMMVOLT1 DDR Voltage

Function: Sets the voltage supplied to the DIMM DDR memory sockets.

Description: An 8-pin jumper. Default Setting: 2.5V

More Information: See Chapter 3 for configuration information and “System Features” in Chapter 6.

JUSBV1 USB Voltage:

Default – 5V

JUSBV1

Pin 1

JUSBV1 USB Standby Voltage

Function: Sets the voltage status for the USB ports.

Description: A 3-pin jumper. Default Setting: 5V

More Information: See Chapter 3 for information on configuring this jumper.

JPSKMV1 PS/2 Voltage:

Default – 5V

Pin 1

JPSKMV1

JPSKMV1 PS/2 Standby Voltage

Function: Sets the voltage status for the PS/2 ports.

Description: A 3-pin jumper. Default Setting: 5V

More Information: See Chapter 3 for information on configuring this jumper.

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User’s Manual