AT/SD IO card Settings and Configuration

Card Type	Serial X.25
Chip Set	Unidentified
Maximum Onboard Memory	32KB DRAM
I/O Options	Serial port
Data Bus	16-bit ISA
Error Correction/Compression	LAPB, LAPD

CONNECTIONS
Function	Label	Function	Label
V.35, RS-232, RS-422, or RS-449 port	J1	Daughterboard header	J3
Daughterboard header	J2

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	External clock source	SW1/6	On
	Internal 1.25MHz clock source	SW1/6	Off
	Node address 1	SW1/8	Off
	Node address 3	SW1/8	On
»	Factory configured - do not alter	SW1/5	Off

WAIT STATE
Setting		SW1/4	SW1/7
	0	On	On
»	1	On	Off
	2	Off	On
	3	Off	Off

DMA CHANNEL
Setting		JP1	JP3
	0	Pins 13 & 14, 15 & 16 closed	Open
	1	Open	Pins 5 & 6, 7 & 8 closed
	3	Open	Pins 1 & 2, 3 & 4 closed
	5	Pins 9 & 10, 11 & 12 closed	Open
»	6	Pins 5 & 6, 7 & 8 closed	Open
	7	Pins 1 & 2, 3 & 4 closed	Open

BASE I/O ADDRESS
Setting		SW1/1	SW1/2	SW1/3
»	280h	On	On	On
	290h	On	On	Off
	2E0h	On	Off	On
	2F0h	On	Off	Off
	300h	Off	On	On
	350h	Off	On	Off
	380h	Off	Off	On

INTERRUPT
Setting	JP2/A	JP2/B	JP2/C	JP2/D	JP2/E	JP4
2/9	Open	Open	Open	Open	Open	Closed
10	Open	Open	Open	Open	Closed	Open
11	Open	Open	Open	Closed	Open	Open
12	Open	Open	Closed	Open	Open	Open
14	Closed	Open	Open	Open	Open	Open
15	Open	Closed	Open	Open	Open	Open