AMI M920 Series, User Manual

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2: Mainboard Installation
Jumper Settings
JBAT1: Clear CMOS Jumper
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 Short Pins 1-2
Clear CMOS Short Pins 2-3
JP1A1, JP1B1: CPU Clock
This jumper enables to select CPU frequency.
CPU Clock JP1A1 JP1B1
100M Short Pins 1-2 Short Pins 2-3
133M Short Pins 2-3 Short Pins 1-2
13
JP4
JP1A1
JP1B1
JP1
JP2
J2A/B/C/D
J3A/B/C/D
JP13
J12
J16
JBAT1