Supero 4021A-T2, User Manual

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A+ Workstation 4021A-T2 User's Manual
I
2
C to PCI Enable/Disable
The JI
2
C1/2 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
(JI
2
C1 is for data and JI
2
C2 is for the
clock). See the table on right for jumper
settings.
I 2 C to PCI Enable/Disable
Jumper Settings
(JI 2 C1/2)
Jumper Setting Defi nition
Closed Enabled
Open Disabled
3rd Power Supply Fail Signal
Enable/Disable
This feature is only for systems that are
equipped with three redundant power
supply units and thus is not used on
the 4021A-T2.
3rd Power Supply Fail Signal
Jumper Settings (J3P)
Jumper Setting Defi nition
Open Disabled
Closed Enabled
Note: When enabled, the user needs to
write their own application software in or-
der to disable the Watch Dog timer.
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 gener-
ate a non-maskable interrupt signal for
the application that is hung up. See
the table on the right for jumper set-
tings. Watch Dog can also be enabled
via BIOS.
Watch Dog
Jumper Settings (JWD)
Jumper Setting Defi nition
Pins 1-2 Reset
Pins 2-3 NMI
Open Disabled
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.
Compact Flash
Master/Slave
Jumper Settings (JCF1)
Jumper Setting Defi nition
Closed Master
Open Slave