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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 table below lists the function of each of the board's jumpers
and connectors.
Jumpers
Label
J1
J2
J3
J5
J6
J7
J8
J10
J11
J12
J13
J14
J15
J16
J17
J18
J19
J20
J21
10 PCM-5894/5892 User Manual
Function
Internal VGA setting
System clock setting
LCD driving voltage select
LCD SHF clock setting
LCD ASHF clock setting
Clear CMOS
CPU frequency ratio
CPU type select
LCD driving voltage select
CPU voltage setting
DOC address select
Ethernet transmitting LED
Ethernet receiving LED
Ethernet link signal LED
COM2 selection
COM2 selection
IRQ selection (COM3, COM4)
COM3 RI Pin voltage select
COM4 RI Pin voltage select
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