6 PCM-4335 User's 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
Number
Function
CN1
Fan connector
CN2
FDD connector
CN3
COM1
CN4
HDD connector
CN5
Parallel port
CN6
VGA connector
CN7
LCD panel connector
CN8
COM2 (RS-232/422/485)
CN9
External KB/PS2 mouse connector
CN10
Power connector
J1
-5V/-12V Voltage input connector
JP1
DOC address select
JP2
RS-232/422/485 select (COM2)
JP3
Clear CMOS
JP4
Keyboard lock
JP5
LCD panel voltage select
JP6
Hardware reset
JP7
LCD SHF/ASHF clock select
SP1
External speaker connector
