4
PCA-6752 Startup Manual
JP8: AT/ATX Power Select
Pin
Result
1-3, 2-4
Use ATX power
3-5, 4-6
Use AT power*
JP9, JP10, JP16: RS-232/422/485 Select for COM2
JP11: DOC Address Select
1-2, 3-4
DOC address at CC000h
1-2, 5-6
DOC address at D0000h*
1-2
DOC address at D4000h
3-4, 5-6
DOC address at D8000h
3-4
DOC address at DC000h
1
2
1
2
ATX power
AT power*
JP12: Watch Dog Function Select
Pin
Result
1-2
Select Reset System*
2-3
Select IRQ-11
1
1
IRQ-11
Reset*
JP15: CMOS Clear
Pin
Result
1-2
Normal*
3-4
Clear CMOS
1 2
RS-232*
Label
Function
CN1
Parallel port connector
CN2
Floppy drive connector
CN3
IDE hard drive connector
CN4
LCD Inverter Power connector
CN5
Inverter VR connector
CN6
USB connector
CN7
LCD 18-24 bit connector
CN8
VGA connector
CN9
FIR/SIR connector
CN10
Audio Out/AC97 connector
CN11
10/100Base-T Ethernet connector
CN12
ATX SB5V connector
CN13
COM2 connector
CN14
AT (Big 4P) power connector
CN15
COM1 connector
CN16
Keyboard and PS/2 mouse connector
CN18
ISA Bus Gold Finger connector
CN19
CompactFlash™ connector
Locating connectors (component side)
Mechanical Drawings
1 2
RS-232*
1 2
RS-232*
1 2
RS-485
1 2
RS-422
1 2
RS-485
1 2
RS-485
JP9
JP10
JP16
1
2
CC000h
1
2
D0000h*
1
2
D4000h
1
2
D8000h
1
2
DC000h
1
Normal*
1
Clear CMOS
* Default Setting
