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10 PCM-5896 User Manual
Jumpers and connectors
Connectors on the board link it to external devices such as hard
disk drives, a keyboard, or floppy drives. In addition, the board
has a number of jumpers that allow you to configure your system
to suit your application.
The following tables list the function of each of the board's jumpers
and connectors.
Jumpers
Label Function
J2 Clear CMOS
J3 DOC address select
J4 ATX soft-power switch connector
J5 COM4 RI pin voltage select
J6 COM2 RS-232/422/485 select
J7 LCD clock select
J8 LCD driving voltage select
J9 Reserve for future use (default : 1-2 close)
J10 COM3 RI pin voltage select
J11 COM2 RS-232/422/485 select
J12 Audio output select
S1 (2~6) CPU Vcore select
S3 (1~3) CPU clock select
S3 (4~6) CPU frequency ratio