User manual

UNO-3072L User Manual 54
Table A.4: Connector and Jumper Descriptions
Mainboard CN1 Primary IDE connector
CN2 Secondary IDE connector
CN3 CompactFlash slot 1
CN5 VGA DB15 display connector
P1 COM1~COM2 Standard RS-232 port
P2 COM3~COM4 RS-232/422/485 port
CON1 Ethernet1/USB1/USB2 ports
CON2 Ethernet2/USB3/USB4 ports
BH1 Lithium battery for BIOS
SW2 COM3/COM4 RS-422 master/slave selec-
tion
SW3 Share IRQ/Independent IRQ selection and
Speed selection
JP2 CompactFlash 1 master/slave selection
JP4 COM3 RS-232/422/485 selection
JP5 COM4 RS-232/422/485 selection
JP6 COM3/COM4 terminator resistor
JP7 Digital output latch/non-latch