SUPER I/O 21 (NP) IO card Settings and Configuration

Card Type	Multi-I/O card
Chip Set	Unidentified
Maximum Onboard Memory	Unidentified
I/O Options	Parallel port, serial ports (2)
Data Bus	16-bit ISA

CONNECTIONS
Function	Label	Function	Label
Parallel port	J1	Serial port 2	J4
Serial port 1	J2

PARALLEL PORT ADDRESS SELECTION
Setting		J5/A	J5/B
»	LPT2 (278h)	Open	Closed
	LPT3 (3BCh)	Closed	Open
	Disabled	Open	Open

SERIAL PORT 1 ADDRESS SELECTION
Setting		J6/A	J6/B
»	COM2 (2F8h)	Open	Closed
	COM4 (2E8h)	Closed	Open
	Disabled	Open	Open

SERIAL PORT 2 ADDRESS SELECTION
Setting		J7/A	J7/B
	COM1 (3F8h)	Closed	Open
»	COM3 (3E8h)	Open	Closed
	Disabled	Open	Open

SERIAL PORT 1 INTERRUPT SELECTION
IRQ		SP1/A	SP1/B	SP1/C	SP1/D	SP1/E	SP1/F
	2	Closed	Open	Open	Open	Open	Open
	3	Open	Closed	Open	Open	Open	Open
»	4	Open	Open	Closed	Open	Open	Open
	5	Open	Open	Open	Closed	Open	Open
	6	Open	Open	Open	Open	Closed	Open
	7	Open	Open	Open	Open	Open	Closed
	10	Open	Open	Open	Open	Open	Open
	11	Open	Open	Open	Open	Open	Open
	12	Open	Open	Open	Open	Open	Open
	15	Open	Open	Open	Open	Open	Open
	14	Open	Open	Open	Open	Open	Open

SERIAL PORT 1 INTERRUPT SELECTION (CONTINUED)
IRQ		SP1/G	SP1/H	SP1/I	SP1/J	SP1/K
	2	Open	Open	Open	Open	Open
	3	Open	Open	Open	Open	Open
»	4	Open	Open	Open	Open	Open
	5	Open	Open	Open	Open	Open
	6	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Open
	10	Closed	Open	Open	Open	Open
	11	Open	Closed	Open	Open	Open
	12	Open	Open	Closed	Open	Open
	15	Open	Open	Open	Closed	Open
	14	Open	Open	Open	Open	Closed

SERIAL PORT 2 INTERRUPT SELECTION
IRQ		SP2/A	SP2/B	SP2/C	SP2/D	SP2/E	SP2/F
	2	Closed	Open	Open	Open	Open	Open
»	3	Open	Closed	Open	Open	Open	Open
	4	Open	Open	Closed	Open	Open	Open
	5	Open	Open	Open	Closed	Open	Open
	6	Open	Open	Open	Open	Closed	Open
	7	Open	Open	Open	Open	Open	Closed
	10	Open	Open	Open	Open	Open	Open
	11	Open	Open	Open	Open	Open	Open
	12	Open	Open	Open	Open	Open	Open
	15	Open	Open	Open	Open	Open	Open
	14	Open	Open	Open	Open	Open	Open

SERIAL PORT 2 INTERRUPT SELECTION (CONTINUED)
IRQ		SP2/G	SP2/H	SP2/I	SP2/J	SP2/K
	2	Open	Open	Open	Open	Open
»	3	Open	Open	Open	Open	Open
	4	Open	Open	Open	Open	Open
	5	Open	Open	Open	Open	Open
	6	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Open
	10	Closed	Open	Open	Open	Open
	11	Open	Closed	Open	Open	Open
	12	Open	Open	Closed	Open	Open
	15	Open	Open	Open	Closed	Open
	14	Open	Open	Open	Open	Closed

PARALLEL PORT INTERRUPT SELECTION
IRQ		PP1/A	PP1/B	PP1/C	PP1/D	PP1/E	PP1/F
	2	Closed	Open	Open	Open	Open	Open
	3	Open	Closed	Open	Open	Open	Open
	4	Open	Open	Closed	Open	Open	Open
	5	Open	Open	Open	Closed	Open	Open
	6	Open	Open	Open	Open	Closed	Open
»	7	Open	Open	Open	Open	Open	Closed
	10	Open	Open	Open	Open	Open	Open
	11	Open	Open	Open	Open	Open	Open
	12	Open	Open	Open	Open	Open	Open
	15	Open	Open	Open	Open	Open	Open
	14	Open	Open	Open	Open	Open	Open

PARALLEL PORT INTERRUPT SELECTION (CONTINUED)
IRQ		PP1/G	PP1/H	PP1/I	PP1/J	PP1/K
	2	Open	Open	Open	Open	Open
	3	Open	Open	Open	Open	Open
	4	Open	Open	Open	Open	Open
	5	Open	Open	Open	Open	Open
	6	Open	Open	Open	Open	Open
»	7	Open	Open	Open	Open	Open
	10	Closed	Open	Open	Open	Open
	11	Open	Closed	Open	Open	Open
	12	Open	Open	Closed	Open	Open
	15	Open	Open	Open	Closed	Open
	14	Open	Open	Open	Open	Closed