JARLTECH 8670, Руководство пользователя

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5-2 jumper setting
The 8670mainboard is configured to match the needs of your application
by proper jumper settings. The following tables show the correct jumper
settings for the onboard devices.
Jumper Default Setting Jumper Setting
JP1
Watchdog Trigger Disabled Open
JP2
Flat Panel Connector Voltage Selection:
Flat Panel Signal Level at 5.0V
Short 1-2
JP5 Compact Flash IDE Mode for Master/Slave Selector
Setting: Slave
Open
JP8 Clear CMOS Jumper: Normal Short 1-2
JP9
COM2 RS232/422/485 Settings: RS-232 Short 1-2
JP10 COM2 RS232/422/485 Settings: RS-232 Short 3-5, 4-6
JP11
COM2 RS232/422/485 Settings: RS-232 Short 3-5, 4-6
JP13, JP15
JP14, JP16
Serial Port with +5V/+12V Power Setting Short (3-5,4-6)
5-2-1
Watchdog Function Setting: JP1
T
he watchdog timer is an indispensable feature of the 8670 mainboard. It has
a sensitive error detection function and a report function. When the CPU
processing comes to a halt, the watchdog can generates a resets the CPU.
Watchdog Function Settings
Reset system when Watchdog
triggered
Short 2-3
Disabled Open (default)
5.2.2 Serial Ports Settings: JP9, JP10, JP11
The 8670 mainboard provides 4 onboard serial ports, 3 x RS-232 and 1 x
RS-232/422/485. The corresponding jumper settings are shown on the
following table. If COM2 is to be set to RS-422/485, the following jumpers have
to be set correctly.
Options
Settings
JP9 JP10 JP11
RS-232 (default) Short 1-2 Short 3-5, 4-6 Short 3-5, 4-6
RS-422
Short 3-4 Short 1-3, 2-4 Short 1-3, 2-4
RS-485 Short 5-6, 7-8 Short 1-3, 2-4 Short 1-3, 2-4