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Watch Dog
JWD controls Watch Dog, a system monitor that takes action when a soft- ware application freezes the system. Jumping pins
PCI-X Slot Freq. Select
Jumpers JPX1A and JPX1B on the
Note: JPX1A controls the speed for
Watch Dog
Jumper Settings (JWD)
Jumper Setting | Defi nition | |
Pins | Reset | |
Pins | NMI | |
Open | Disabled | |
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Note: When enabled, the user needs to write their own application software in or- der to disable the Watch Dog timer.
Jumper Setting | Defi nition | |
Open | Auto | |
Pins | ||
Pins | PCI 66 MHz | |
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I2C to PCI Enable/Disable
The JI2C1/2 pair of jumpers allows you to connect the System Management Bus to the PCI expansion slots. The default setting is closed (on) for both jumpers to enable the connection. Both connectors must be set the same (JI2C1 is for data and JI2C2 is for the clock). See the table on right for pin defi nitions.
I2C to PCI Enable/Disable
Jumper Settings
(JI2C1/2)
Jumper Setting | Defi nition | |
Closed | Enabled | |
Open | Disabled | |
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