Chapter 5: Advanced Motherboard Setup
5-19SCSI Enable/Disable
The SCSI Termination jumper at
JP22 allows you to enable or dis-
able the onboard SCSI controller.
The normal (default) position is on
pins 1-2 to enable SCSI termina-
tion. See the table on the right for
jumper settings.
Jumper
Position
Pins 1-2
Pins 2-3
Definition
Enabled
Disabled
SCSI Enable/Disable
Jumper Settings
(JP22)
SCSI Termination Enable/Disable
Jumpers JPA1 and JPA2 allow you
to enable or disable termination for
the individual SCSI channels.
Jumper JPA1 controls SCSI channel
A and JPA2 controls SCSI channel
B. The normal (default) setting is
open to enable (teminate) both SCSI
channels. If you wish to connect
external SCSI devices, you should
disable termination for the
channnel(s) you will be connecting
them to. See the table on the right
for jumper settings.
Jumper
Position
Open
Closed
Definition
Enabled
Disabled
SCSI Channel Terminat io n
Enable/Disable
Jumper Settings
(JPA1, JPA2)
Watchdog Enable/Disable
The WD jumper (located on JD1) al-
lows you to enableor disable the
Watchdog feature. The default po-
sition is open to disable the Watch-
dog timer. When enabled, Watch-
dog can reboot your PC if an appli-
cation is "hung up" or the system
goes down. See the table on the
right for jumper settings.
Jumper
Position
Open
Closed
Definition
Disabled
Enabled
Watchdog Timer Enable/
Disable Jumper Settings
(WD on JD1)