Supermicro SUPERSERVER 6015X-3, User Manual

Page: 53 / 144

Chapter 5: Advanced Serverboard Setup
5-19
SCSI Controller Enable/
Disable (X7DBX-8 only)
Jumper JPA1 is used to enable or dis-
able the Adaptec AIC-7902W SCSI
controller. The default setting is on pins
1-2 to enable SCSI. See the table on
right for jumper settings.
SCSI Enable/Disable
Jumper Settings (JPA1)
Both Jumpers Defi nition
Pins 1-2 Enabled
Pins 2-3 Disabled
SCSI Termination Enable/
Disable (X7DBX-8 only)
Jumpers JPA2 and JPA3 are used to
enable or disable termination for SCSI
channels A and B, respectively. The
default setting is open to enable termi-
nation. See the table on right for pin
defi nitions.
Note: In order for the SCSI drives to
function properly, please do not change
the default setting (enabled) set by the
manufacturer.)
SCSI Term. Enable/Disable
Jumper Settings (JPA2/JPA3)
Jumper Setting Defi nition
Open Enabled
Closed Disabled
Watch Dog Enable/Disable
JWD controls the Watch Dog function.
Watch Dog is a system monitor that
can reboot the system when a software
application hangs. Pins 1-2 will cause
WD to reset the system if an applica-
tion has frozen. Pins 2-3 will disable
the Watch Dog feature. See the table
on the right for jumper settings. Watch
Dog must also be enabled in BIOS
(setting located in the Power Menu).
Note: When enabled, the user needs
to write their own application software
to disable the Watch Dog timer.
Watch Dog
Jumper Settings (JWD)
Jumper Setting Defi nition
Pins 1-2 Reset
Pins 2-3 Disabled