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
123
Disabled
(default)
Open
Jumpers and Connectors
7