SBC82621 Socket370 Half-size All-in-One CPU Card User’s Manual
2.3 Jumper
Settings
Making the proper jumper settings configures the
SBC82621
to
match the needs of your application. The following tables show
the correct jumper settings for the onboard devices.
Jumper
Default Setting
Jumper Setting
JP1
Connector LCD Power Selection: VDDM at 5V
Short 2-3
JP2
COM2 Port Setting: RS-232
Short 3-5, 4-6
JP3
Watchdog Trigger Mode: Disabled
Open
JP4
COM2 Port Setting: RS-232
Short 3-5, 4-6
JP5
COM2 Port Setting: RS-232
Short 1-2
JP6
DiskOnChip Memory Segment :
D0000-D1FFF
Short 1-2
JP7
USB Wake-Up Selection: Disabled
Short 2-3
JP8
Clear CMOS Setting: Normal
Short 1-2
2.3.1 Watchdog Trigger Mode Setting: JP3
The watchdog timer is an indispensable feature of the
SBC82621
. It has a sensitive error detection function and a
report function. When the CPU processing comes to a halt, the
watchdog either generates a NMI or resets the CPU.
Options Setting
NMI
Short 1-2
RESET
Short 2-3
1
2
3
Disabled
(default)
Open
Jumpers and Connectors
7