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
Summary of Contents for PCM-4894
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Page 72: ...A 66 PCM 4894 User Manual...
Page 77: ...Appendix C Optional Extras C 71 C Optional Extras APPENDIX...