Jp1; Case Open - Albatron PM800 Series User Manual

Case Open Warning Header: CASE OPEN
This connector is used to notify the user when the computer case has been previously opened. To
configure this functionality, your computer case must be equipped with a " case open" cable which
you need to attach to the CASE OPEN header. Also, you must enable the CASE OPEN warning
functionality in the BIOS Setup Utility. When your computer case is opened, your system will display
alert messages upon boot up.
Caseop-
Ground

CASE OPEN

Clear CMOS Jumper: JP1
The "Clear CMOS" jumper is used when you cannot boot your system due to some CMOS configuration
problem such as a forgotten password. This jumper allows you to reset the CMOS configurations, and
then reconfigure.
Pin1-2 short
Normal (default)
Pin2-3 short
Clear CMOS data
(Short means to cover two pins on
a jumper using a jumper cap.)
The following procedures are for resetting the BIOS password. It is
important to follow these instructions closely.
1. Turn off your system and disconnect the AC power cable.
2. Set JP1 to OFF (2-3 Closed).
3. Wait several seconds.
4. Set JP1 to ON (1-2 closed).
5. Connect the AC power cable and turn on your system.
6. Reset your desired password.
1
2
DI M M 1
DI M M 2
1
2
3

JP1

1
2
3
JP1
19
PM800 Series
DI M M 1
DI M M 2