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SDLC ADAPTER (ADVANCED FUNCTION)

ATTACHMATE CORPORATION

SDLC ADAPTER (ADVANCED FUNCTION)

Card Type

Serial card

Chip Set

Unidentified

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

25-pin serial port

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

308

Off

On

On

On

On

 

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

C3FFF

Off

On

On

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