Jumper Settings; Install The Motherboard - IBM M789 Series Manual

Jumper Settings

Connecting two pins with a jumper cap is SHORT; removing a
jumper cap from these pins, OPEN.
JBAT1
1
Jumper JBAT1: Clear CMOS Memory
This jumper can clear the CMOS memory. You may need to clear
the CMOS memory if the settings in the Setup Utility are incorrect
that your motherboard can't operate. To clear the CMOS memory,
disconnect all the power cables, and then move the jumper cap into
the CLEAR setting for a few seconds.
Function
Normal Operation
Clear CMOS Memory

Install the Motherboard

Install the motherboard in a system chassis (case). The board is a
Micro ATX size motherboard. You can install this motherboard in
an ATX case. Ensure your case has an I/O cover plate matching the
ports on this motherboard. Install the motherboard in a case.
Follow the instructions from the case manufacturer to use the
hardware and internal mounting points on the chassis.
Jumper Setting
Short Pins 1-2
Short Pins 2-3
12