5-26
S
UPER
S
ERVER 6027R-3RF4+ User's Manual
Watch Dog Enable/Disable
Jumper JWD controls the Watch
Dog function. Watch Dog is a sys-
tem monitor that can reboot the
system when a software application
hangs. Jumping pins 1-2 will cause
WD to reset the system if an appli-
cation hangs. Jumping pins 2-3 will
generate a non-maskable interrupt
signal for the application that hangs.
See the table on the right for jumper
settings. Watch Dog must also be
enabled in BIOS.
Note:
When enabled, the user
needs to write their own applica-
tion software in order to disable the
Watch Dog Timer.
Watch Dog
Jumper Settings
Jumper Setting Defi nition
Pins 1-2
Reset
Pins 2-3
NMI
Open
Disabled
JTAG Scan
The JTAG scan jumpers (JPP0/
JPP1) allow the user to confi gure
JTAG scan settings for system de-
bugging. See the tables on the right
for jumper settings.
JTAG Scan (JPP0)
Jumper Settings
Jumper Setting Defi nition
Pins 1/2, 3/4
including CPU2 in JTAG Scan
Pins 2/3 (Default)
JTAG Scan: CPU1 only
JTAG Scan (JPP1)
Jumper Settings
Jumper Setting Defi nition
Pins 1/2, 3/4
including CPU1 in JTAG Scan
Pins 2/3 (Default)
JTAG Scan: CPU2 only
Summary of Contents for 6027R-3RF4
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