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18 ECB-862/862L User’s Manual
3.7.2 Jumper & Connector List
Connectors on the board are linked to external devices such as hard disk drives, keyboard,
mouse, 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 Note
CN10
External speaker select 4 x 1 header, pitch 2.54mm
J1, J2
COM2 RS-232/422/485 select 4 x 3 header, pitch 2.0mm (J2)
3 x 2 header, pitch 2.0mm
J3
Clear CMOS 3 x 1 header, pitch 2.54mm
J4
Reserve for internal test only 3 x 1 header, pitch 2.54mm
J5
Compact Flash mode select 2 x 1 header, pitch 2.54mm
J6
Reserve for internal test only 3 x 1 header, pitch 2.54mm
J7
Reserve for internal test only 3 x 1 header, pitch 2.54mm
J8
M-Systems DiskOnChip memory
address select
2 x 2 header, pitch 2.54mm