Chapter 5: Advanced Serverboard Setup
5-21
SCSI Controller Enable/
Disable
Jumper JPA1 allows you to enable
or disable the SCSI headers. The
default setting is pins 1-2 to enable
all four headers. 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
(JPA1)
SCSI Termination Enable/
Disable
Jumpers JPA2 and JPA3 allow you
to enable or disable termination for
the SCSI connectors. Jumper JPA2
controls SCSI channel A and JPA3
is for channel B. The default set-
ting for both is open (Enabled).
Note: In order for the SCSI drives
to function properly, please do not
change the default setting set by
the manufacturer.
Jumper
Position
Open
Closed
Definition
Enabled
Disabled
SCSI Channel Termination
Enable/Disable
Jumper Settings
(JPA2, JPA3)
VGA Enable/Disable
JPG1 enables or disables the VGA
port on the serverboard. See the
table on the right for jumper set-
tings.
Jumper
Position
Pins 1-2
Pins 2-3
Definition
Enabled
Disabled
VGA
Enable/Disable
Jumper Settings
(JPG1)
DOC IDE Slot Bus Select
(JP17/JP18)
These jumpers allow the user to
choose either Master or Slave
mode for a DOC (Disk-On-Chip)
device that has been plugged into
an IDE slot. JP17 is for the IDE1
header and JP18 is for the IDE2
header.
Jumper
Setting
Open
Closed
Definition
Slave
Master
DOC IDE Bus Select
Jumper Settings
(JP17/JP18)