ASYNCHRONOUS SNA ADAPTER IO card Settings and Configuration

ATTACHMATE CORPORATION

ASYNCHRONOUS SNA ADAPTER

Card Type
Serial card
Chip Set
Unidentified
Data Bus
8-bit ISA

CONNECTIONS
Function
Label
Connector
CN1

BASE I/O ADDRESS SELECTION
Setting
SW1/6
SW1/7
SW1/8
SW1/9
SW1/10

208
On
On
On
On
On

218
On
On
On
On
Off

228
On
On
On
Off
On

238
On
On
On
Off
Off

248
On
On
Off
On
On
»
338
Off
On
On
Off
Off

3B8
Off
Off
On
Off
Off

3C8
Off
Off
Off
On
On

3D8
Off
Off
Off
On
Off

3E8
Off
Off
Off
Off
On

3F8
Off
Off
Off
Off
Off
Note: A total of 32 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/10 is the Most Significant Bit and switch SW1/5 is the Least Significant Bit. The switches have the following decimal values: SW1/10=256, SW1/9=128, SW8/10=64, SW1/7=32, SW1/6=16. Turn off the switches and add the values of the switches to 512 and convert to hexadecimal to obtain the correct memory address. (Off=1, On=0)

MEMORY ADDRESS SELECTION
Setting
SW1/1
SW1/2
SW1/3
SW1/4
SW1/5

83FFF
On
On
On
On
On

87FFF
On
On
On
On
Off

8BFFF
On
On
On
Off
On

8FFFF
On
On
On
Off
Off

93FFF
On
On
Off
On
Off
»
D3FFF
Off
On
Off
On
On

EFFFF
Off
Off
On
Off
Off

F3FFF
Off
Off
Off
On
On

F7FFF
Off
Off
Off
On
Off

FBFFF
Off
Off
Off
Off
On

FFFFF
Off
Off
Off
Off
Off
Note: A total of 32 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/5 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/5=262144, SW1/4=131072, SW3/10=65536, SW1/2=32768, SW1/1=16384. Turn off the switches and add the values of the switches to 540671 and convert to hexadecimal to obtain the correct memory address. (Off=1, On=0)

SERIAL PORT INTERRUPT SELECTION
IRQ
JP3
IRQ2
Pins 1 & 2 closed
IRQ3
Pins 3 & 4 closed
IRQ4
Pins 5 & 6 closed
IRQ5
Pins 7 & 8 closed

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ASYNCHRONOUS SNA ADAPTER IO card Settings and Configuration

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Card Type	Serial card
Chip Set	Unidentified
Data Bus	8-bit ISA

BASE I/O ADDRESS SELECTION
Setting		SW1/6	SW1/7	SW1/8	SW1/9	SW1/10
	208	On	On	On	On	On
	218	On	On	On	On	Off
	228	On	On	On	Off	On
	238	On	On	On	Off	Off
	248	On	On	Off	On	On
»	338	Off	On	On	Off	Off
	3B8	Off	Off	On	Off	Off
	3C8	Off	Off	Off	On	On
	3D8	Off	Off	Off	On	Off
	3E8	Off	Off	Off	Off	On
	3F8	Off	Off	Off	Off	Off
Note: A total of 32 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/10 is the Most Significant Bit and switch SW1/5 is the Least Significant Bit. The switches have the following decimal values: SW1/10=256, SW1/9=128, SW8/10=64, SW1/7=32, SW1/6=16. Turn off the switches and add the values of the switches to 512 and convert to hexadecimal to obtain the correct memory address. (Off=1, On=0)

MEMORY ADDRESS SELECTION
Setting		SW1/1	SW1/2	SW1/3	SW1/4	SW1/5
	83FFF	On	On	On	On	On
	87FFF	On	On	On	On	Off
	8BFFF	On	On	On	Off	On
	8FFFF	On	On	On	Off	Off
	93FFF	On	On	Off	On	Off
»	D3FFF	Off	On	Off	On	On
	EFFFF	Off	Off	On	Off	Off
	F3FFF	Off	Off	Off	On	On
	F7FFF	Off	Off	Off	On	Off
	FBFFF	Off	Off	Off	Off	On
	FFFFF	Off	Off	Off	Off	Off
Note: A total of 32 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/5 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/5=262144, SW1/4=131072, SW3/10=65536, SW1/2=32768, SW1/1=16384. Turn off the switches and add the values of the switches to 540671 and convert to hexadecimal to obtain the correct memory address. (Off=1, On=0)

SERIAL PORT INTERRUPT SELECTION
IRQ	JP3
IRQ2	Pins 1 & 2 closed
IRQ3	Pins 3 & 4 closed
IRQ4	Pins 5 & 6 closed
IRQ5	Pins 7 & 8 closed