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I
2
C to PCI-X Enable/Disable
The JI
2
C1/2 pair of jumpers allows you
to connect the System Management
Bus to the PCI-X expansion slots. The
default setting is disabled. Both con-
nectors must be set the same (JI
for data and JI
2
C2 is for the clock). See
the table on right for jumper settings.
2
I
C to PCI-E Enable/Disable
2
The JI
C3/4 pair of jumpers allows you
to connect the System Management
Bus to the PCI-Express expansion
slots. The default setting is disabled.
Both connectors must be set the same
2
(JI
C3 is for data and JI
clock). See the table on right for jump-
er settings.
Watch Dog
JWD controls Watch Dog, a system
monitor that takes action when a soft-
ware application freezes the system.
Jumping pins 1-2 will cause WD to
reset the system if an application is
hung up. Jumping pins 2-3 will gen-
erate a non-maskable interrupt signal
for the application that is hung up.
See the table on the right for jumper
settings. Watch Dog must also be
enabled in BIOS.
Compact Flash Master/Slave
The JCF1 jumper allows you to assign
either master or slave status a compact
fl ash card installed in IDE1. See the
table on the right for jumper settings.
Chapter 5: Advanced Serverboard Setup
2
C1 is
2
C4 is for the
Note: When enabled, the user needs to write
their own application software in order to dis-
able the Watch Dog timer.
5-21
I
2
C to PCI-X Enable/Disable
Jumper Settings
2
(JI
C1/2)
Jumper Setting
Defi nition
Pins 1-2
Enabled
Pins 2-3
Disabled
2
I
C to PCI-E Enable/Disable
Jumper Settings
(JI
2
C3/4)
Jumper Setting
Defi nition
Pins 1-2
Enabled
Pins 2-3
Disabled
Watch Dog
Jumper Settings (JWD)
Jumper Setting
Defi nition
Pins 1-2
Reset
Pins 2-3
NMI
Open
Disabled
Compact Flash
Master/Slave
Jumper Settings (JCF1)
Jumper Setting
Defi nition
Closed
Master
Open
Slave
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