Chapter 2
Jumper JP9: Clear CMOS Memory
Use this jumper to clear the contents of the CMOS memory. You
may need to clear the CMOS memory if the settings in the setup
utility are incorrect and prevent your mainboard from operating. To
clear the CMOS memory, disconnect all the power cables from the
mainboard and then move the jumper cap into the CLEAR setting
for a few seconds.
Function Jumper
Setting
Normal Operation
Short Pins 1-2
Clear CMOS Memory
Short Pins 2-3
Jumper JP3(A, B): Onboard Fax/Modem & Audio
Enable/Disable
This jumper has two rows of two pins. The left row (JP3-A) is used
to enable or disable the onboard Fax/Modem. The right row (JP3-
B) is used to enable or disable the onboard audio system.
Function Jumper
Setting
Enable Onboard Modem
Open JP3-A Pins
Disable Onboard Modem
Short JP3-A Pins
Function Jumper
Setting
Enable Audio
Open JP3-B Pins
Disable Audio/Modem
Short JP3-B Pins
Note:
If you use the right row of pins to disable the onboard
audio system, the Fax/Modem is disabled, even if you have
set the left row of pins to the enable Fax/Modem setting.
Jumper JP13: Enable/Disable Onboard LAN
Use this 3-pin jumper to enable or disable the onboard network
adapter.
Function Jumper
Setting
Enable Onboard LAN
Short Pins 1-2
Disable Onboard LAN
Short Pins 2-3
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