Jumpers And Connectors; Ethernet Connector (Cn1); Serial Ports Connector (Cn2); Parallel Port Connector (Cn3) - Aaeon PCM-4894 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
CN1
CN2
CN3
CN4
CN5
CN6
CN7
CN8
CN9
CN10
CN13
CN14
CN15
CN16
CN17
CN18
JP1
JP2
JP4
JP5
U20
10 PCM-4894 User Manual
Function
Ethernet connector
Serial ports connector
Parallel port connector
HDD connector
FDD connector
Main power connector
Keyboard / PS2 mouse connector
Power LED / Keyboard lock
Reserved IR connector
Digital I/O connector
LED indicators / Hardware reset
External speaker connector
LCD connector
VGA connector
Auxiliary power connector
CPU fan power connector
COM3/4 RI function selection
DOC address / COM2 mode setting
LCD voltage selection
LCD SHF/ASHF clock selection
DiskOnChip socket