B232 MINI 2S1P IO card Settings and Configuration

Card Type	Multi-I/O card
Chip Set	Unidentified
Maximum Onboard Memory	Unidentified
I/O Options	Serial ports (2 RS-232), Parallel port
Hard Drives supported	None
Floppy drives supported	None
Data Bus	8-bit ISA
Card Size	Half-length

CONNECTIONS
Function	Label	Function	Label
Serial port 1	CN1	25-pin parallel port	CN3
Serial port 2	CN2

PARALLEL PORT ADDRESS SELECTION
Setting	JP1/E
LPT2 (378h)	Pins 2 & 3 closed
LPT3 (278h)	Pins 1 & 2 closed
Disabled	Open

SERIAL PORT 1 ADDRESS SELECTION
Setting	JP1/A	JP1/B	JP!/C	JP1/D
COM1 (3F8h)	Pins 1 & 2 closed	Open	Open	Open
COM2 (2F8h)	Open	Pins 1 & 2 closed	Open	Open
COM3 (3E8h)	Open	Open	Pins 1 & 2 closed	Open
COM4 (2E8h)	Open	Open	Open	Pins 1 & 2 closed
Disabled	Open	Open	Open	Open

SERIAL PORT 2 ADDRESS SELECTION
Setting	JP1/A	JP1/B	JP!/C	JP1/D
COM1 (3F8h)	Pins 2 & 3 closed	Open	Open	Open
COM2 (2F8h)	Open	Pins 2 & 3 closed	Open	Open
COM3 (3E8h)	Open	Open	Pins 2 & 3 closed	Open
COM4 (2E8h)	Open	Open	Open	Pins 2 & 3 closed
Disabled	Open	Open	Open	Open

SERIAL PORT 1 INTERRUPT SELECTION
IRQ	JP2/A
IRQ4	Pins 2 & 3 closed
IRQ3	Pins 1 & 2 closed

SERIAL PORT 2 INTERRUPT SELECTION
IRQ	JP2/B
IRQ3	Pins 1 & 2 closed
IRQ4	Pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECTION
IRQ	JP2/C
IRQ7	Pins 1 & 2 closed
IRQ5	Pins 2 & 3 closed