Jumpers And Connectors - Aaeon SBC-400 User Manual

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.
Label
JP1
JP2,3,4
JP5,6
JP7,8
JP9
JP10
JP11
JP12
JP13
JP14
JP15
JP17
JP23,39
JP38
CN1
CN2
CN3
CN4
CN5,6
CN7
J1
COMA
COMB
Function
Cache memory select
CPU type select
CPU Vcc select
CPU clock select
Serial port IRQ select
Parallel port DRQ select
Parallel port DACK select
Power LED and keylock
External speaker
Reset switch
Turbo LED
Turbo switch
RS-232/422/485 select
Watchdog timer time-out signal select
Enhanced IDE connector
FDD connector
Parallel connector
Power connector
PC/104 module connectors
External keyboard connector
Keyboard and/or PS/2 mouse connector
Serial port 1
Serial port 2