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H8QM8-2/H8QME-2 User's Manual
PCI-X Slot Frequency Select
Jumper JPXA1 is are used to set
the speed of PCI-X slots #1 and #2.
The recommended (default) setting is
open for Auto. See the table on the
right for jumper settings.
PCI-X Slot #3/#4
Frequency Select
Jumper Settings
(JPXA1)
Jumper Setting Defi nition
Pins 1-2 66 MHz PCI-X
Pins 2-3 66 MHz PCI
Open Auto
PCI-X Slot Frequency Select
Jumper JPXB1 is are used to set
the speed of PCI-X slots #3 and #4.
The recommended (default) setting is
open for Auto. See the table on the
right for jumper settings.
PCI-X Slot #3/#4
Frequency Select
Jumper Settings
(JPXB1)
Jumper Setting Defi nition
Pins 1-2 66 MHz PCI-X
Pins 2-3 66 MHz PCI
Open Auto
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. Leaving the jumper
open will disable the Watch Dog fea-
ture. See the table on the right for
jumper settings. Watch Dog must also
be enabled in BIOS (setting located in
the Power Menu).
Watch Dog
Jumper Settings (JWD)
Jumper Setting Defi nition
Pins 1-2 Reset
Open Disabled
Note: When enabled, the user needs to
write their own application software in or-
der to disable the Watch Dog timer. There
is no setting for closing pins 2-3.