ECS K7AMA User Manual page 14

Jumper JP2A: CPU System Bus Selector
Use this 3-pin jumper to select if the processor runs on 133 MHz or
100 MHz system bus.
Function
133 MHz system bus
100 MHz system bus
Jumper JP3: Keyboard Power On Selector
If you enable the keyboard power on feature, you can use hot keys
on your keyboard as a power on/off switch for the system.
Note: The system must provide 1A on the +5VSB (+5V
Standby) signal before using the Keyboard Power On
function.
Function
Disable Keyboard Power On
Enable Keyboard Power On
Jumper JP5: 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
Normal Operation
Clear CMOS Memory
Jumper JP6: Onboard LAN Selector
Use this 3-pin jumper to enable or disable the onboard network
adapter.
Function
Enable Onboard LAN
Disable Onboard LAN
JP2A
Short Pins 1-2
Short Pins 2-3
Jumper Setting
Short Pins 1-2
Short Pins 2-3
Jumper Setting
Short Pins 1-2
Short Pins 2-3
Jumper Setting
Short Pins 1-2
Short Pins 2-3
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