Installation guide

10 PCM-4894 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 Ethernet connector
CN2 Serial ports connector
CN3 Parallel port connector
CN4 HDD connector
CN5 FDD connector
CN6 Main power connector
CN7 Keyboard / PS2 mouse connector
CN8 Power LED / Keyboard lock
CN9 Reserved IR connector
CN10 Digital I/O connector
CN13 LED indicators / Hardware reset
CN14 External speaker connector
CN15 LCD connector
CN16 VGA connector
CN17 Auxiliary power connector
CN18 CPU fan power connector
JP1 COM3/4 RI function selection
JP2 DOC address / COM2 mode setting
JP4 LCD voltage selection
JP5 LCD SHF/ASHF clock selection
U20 DiskOnChip socket