10 SBC-456/456E 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 table below lists the function of each of the board jumpers and
connectors:
Jumpers and connectors
Label
Function
CN1
HDD connector
CN2
LCD connector
CN3
Floppy drive connector
CN4
Parallel (printer) connector
CN5
Power connector
CN6
RS232/422/485 connector
CN7
Ethernet connector
CN8
RS-232 connector
CN9
VGA connector
CN10
Internal keyboard connector
CN11
KB/PS2 mouse connector
J1
HDD LED connector
J2
Ethernet link signal LED
J3
Ethernet active signal LED
J4
Buzzer or external speaker
J5
Reserved IR connector
J6
Clear CMOS
J7
Power LED & keylock
J8
Fan power connector
JP1
LCD SHF/ASHF clock select
JP2
LCD panel voltage setting
JP3
DOC address setting
JP4
Hardware reset
JP5
RS232/422/485 select
Summary of Contents for SBC-456
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