SUPER MICRO Computer I2DMR-8G2 - Manual (Page 40)

2-20
SUPER i2DMR-8G2/i2DMR-iG2 User's Manual
Watch Dog
J31 controls Watch Dog, a system
monitor that takes action when a
software application freezes the
system. Pins 1-2 will have WD re-
s e t t h e s y s t e m i f a p r o g r a m
freezes. Pins 2-3 will generate a
non-maskable interrupt for the pro-
gram that has frozen (requires soft-
ware implementation). Watch Dog
must also be enabled in BIOS.
Jumper
Position
Pins 1-2
Pins 2-3
Open
Definition
W D to Reset
W D to NMI
Disabled
Watch Dog
Jumper Settings (J31)
VGA Enable/Disable
JV1 allows you to enable or dis-
able the VGA port. The default po-
sition is on pins 1 and 2 to enable
VGA. See the table on the right for
jumper settings.
SCSI Enable/Disable
(*i2DMR-8G2 only)
The SCSI jumper at JA1 allows you
to enable or disable the onboard
SCSI controller. The normal (de-
fault) position is on pins 1-2 to en-
able SCSI termination. See the
table on the right for jumper set-
tings.
Jumper
Position
1-2
2-3
Definition
Enabled(default)
Disabled
VGA Enable/Disable
Jumper Settings
(JV1)
SCSI Termination Enable/
Disable (*i2DMR-8G2 only)
Jumpers CN1 and CN3 allow you to
enable or disable termination for the
SCSI connectors. Jumper CN3 con-
trols SCSI channel A and CN1 is for
SCSI channel B. The default setting
is open to enable (terminate) both
SCSI channels. See the table on
the right for jumper settings.
Jumper
Position
Open
Closed
Definition
Enabled
Disabled
SCSI Channel Termination
Enable/Disable
Jumper Settings
(CN1, CN3)
Jumper
Position
Pins 1-2
Pins 2-3
Definition
Enabled
Disabled
SCSI Enable/Disable
Jumper Settings
(JA1)