LAVA RS422-550 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-422)
Hard Drives supported	None
Floppy drives supported	None
Data Bus	8-bit ISA
Card Size	Half-length

CONNECTIONS
Function	Label	Function	Label
9-pin serial port A	CN1	9-pin serial port B	CN2

SERIAL PORT A ADDRESS SELECTION
Setting	JP3
COM1 (3F8h)	Pins 1 & 2 closed
COM2 (2F8h)	Pins 2 & 3 closed
COM3 (3E8h)	Pins 4 & 5 closed
COM4 (2E8h)	Pins 5 & 6 closed
Disabled	Open

SERIAL PORT B ADDRESS SELECTION
Setting	JP2
COM1 (3F8h)	Pins 1 & 2 closed
COM2 (2F8h)	Pins 2 & 3 closed
COM3 (3E8h)	Pins 4 & 5 closed
COM4 (2E8h)	Pins 5 & 6 closed
Disabled	Open

SERIAL PORT A INTERRUPT SELECTION
IRQ	JP1
IRQ4	Pins 1 & 2 closed
IRQ3	Pins 2 & 3 closed

SERIAL PORT B INTERRUPT SELECTION
IRQ	JP1
IRQ3	Pins 3 & 4 closed
IRQ4	Pins 4 & 5 closed