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FabiaTech Corporation
Jumper Setting
The COM2 is designed for multiple proposes, Use JP2/JP3/JU7 of the CPU board
selects RS-232, RS422 or RS-485 of COM2 connector(Please see the spots circled),
and JU5,J3 of CPU board is used to select clear CMOS data, and select master or
slave device of this Compact Flash socket. And JU7 is select COM1 of pin9 signal.
CPU Board
a. JU5: Clear CMOS Setting
You can use JU5 to clear CMOS data. The CMOS stores information like system
date, time, boot up device, password, IRQ... which are set up with the BIOS. To
clear the CMOS, set JU5 to 2-3 and then return to 1-2 before system powers off.
The default setting is 2-4.
JU5
3
2
1
Normal Operation
Clear CMOS Data
Default
21
3
2
1
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