PCM-4896L
4
PCM-4896L Installation Guide
BC-599/596
Jumpers and Connectors
Connectors on the board link themselves to the 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 following tables list the function of each jumper and connector
on the board.
Jumpers
Label
Function
J1
Internal buzzer select
J4
Clear CMOS
J5
ATX soft-power switch connector
J6
Audio output select
J8
LCD driving voltage select
J9
LCD clock select
J10
Audio Power
J11
COM4 RI pin voltage select
J12
COM3 RI pin voltage select
J13
COM2 RS232/422/485 setting
J14
COM2 RS232/422/485 selection
SW1 (1~3)
CPU frequency ratio
SW1 (5, 6)
DOC address select
SW2 (1)
CPU clock select
