2-14
Chapter 2: Installation
SCSI Termination Enable/
Disable
Jumpers JPA1 and JPA2 allow you
to enable or disable termination for
t h e i n d i v i d u a l S C S I c h a n n e l s .
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
d i s a b l e t e r m i n a t i o n f o r t h e
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 T ermination
Enable/Disable
Jumper Settings
(JPA1, JPA2)
Watch Dog Enable/Disable
The Watch Dog jumper (located on
JP37) allows you to enableor dis-
able the Watch Dog feature. The
default position is open to disable
the Watch Dog timer. When en-
abled, Watch Dog can reboot your
PC if an application is "hung up" or
the system goes down. See the
table on the right for jumper set-
tings.
Jumper
Position
Open
Closed
Definition
Disabled
Enabled
W atch Dog T imer Enable/
Disable Jumper Settings
(JP37)
SCSI 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)
