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H8DI3+/I+(-F) Serverboard User's Manual
I2C to PCI-Express Slot
JI
2
C1/JI
2
C2 allows you to enable the I
to communicate with the PCI-Express slot.
For the jumpers to work properly, please set
both jumpers to the same setting. If enabled,
both jumpers must be enabled. If disabled,
both jumpers must be disabled. See the table
on the right for jumper settings.
Watch Dog Enable/Disable
JWD enables the Watch Dog function, a
system monitor that takes action when a
software application freezes the system.
Jumping pins 1-2 will have WD reboot the
system if a program freezes. Jumping pins
2-3 will generate a non-maskable interrupt
for the program that has frozen. See the
table on the right for jumper settings. Watch
Dog must also be enabled in BIOS.
PCI-X Slot Frequency Selection
JPX1A (PCI-X Slot 1) and JPX1B (PCI-X
Slot 2) are used for specifying the frequency
setting for cards installed in the appropriate
PCI-X slot. This jumper allows you to specify
a slower speed for legacy cards installed in
one of these slots. Leaving the jumper open
allows automatic use of high speed cards.
Closing the pins specifi es the use of slower
speed PCI or PCI-X cards.
VGA Enable/Disable
JPG1 allows you to enable or disable the
VGA port. The default position is on pins 1
and 2 to enable VGA. See the table on the
right for jumper settings.
I
2
C to PCI-Express Slot
Jumper Settings
2
C bus
(JPI
Jumper Setting Defi nition
Closed
Open
Watch Dog
Jumper Settings (JWD)
Jumper Setting
Pins 1-2
Pins 2-3
Open
Note: when Watch Dog is enabled,
the user must write their own
application software to disable the
Watch Dog Timer.
PCI-X Slot
Frequency Selection
Jumper Settings
(JPX1A/JPX1B)
Jumper Setting
Pins 1-2
Pins 2-3
Open
VGA Enable/Disable
Jumper Settings (JPG1)
Jumper Setting
Pins 1-2
Pins 2-3
2-14
2
C1/JPI
2
C2)
Enabled
Disabled
Defi nition
Reset
NMI
Disabled
Defi nition
PCI-X 66 Mhz
PCI 66 Mhz
Auto
Defi nition
Enabled
Disabled
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