
Chapter 2: Installation
2-13
CMOS Clear
Refer to the table on the right for
instructions on how to clear
CMOS. Always remove the AC
power cord from the system be-
fore clearing CMOS.
Note: For an ATX power supply, you
must completely shut down the sys-
tem, remove the AC power cord, then
use JBAT1 to clear CMOS. Replace
JBT1 back to the pin 1-2 position be-
fore powering up the system again.
Do not use the Power Button con-
nector to clear CMOS.
Position
1-2
Position
2-3
Normal
CMOS Clear
Keyboard Wake-Up
The JPWAKE jumper is used to-
gether with the Keyboard Wake-Up
function in BIOS. Enable both the
jumper and the BIOS setting to al-
low the system to be woken up by
depressing a key on the keyboard.
See the table on the right for pin
definitions.
Note: Your power supply must meet ATX
specification 2.01 or higher and supply 720
mA of standby power to use this feature.
CMOS Clear Jumper Settings
(JBT1)
Jumper
Position
1-2
2-3
Definition
Normal
CMOS Clear
Jumper
Position
1-2
2-3
Definition
Disabled
Enabled
Keyboard Wake-Up
Jumper Settings
(JPWAKE)
SCSI Ch A/B Termination
The SCSI Channel A/B termination
jumpers (JPA1/JPA2) are used to
enable operation of the onboard
SCSI. See the table on the right for
jumper settings.
Jumper
Position
Open
Closed
Definition
Enabled
Disabled
SCSI Channel A/B
Termination Jumper
Settings (JPA1/JPA2)