PROGRAMMABLE OPTION

SELECT

 

 

 

 

 

+-------------------------

 

 

+-------------------

 

 

+

ADSx3

ADSx2

ADSx1

ADSx0

Base

address

 

 

+-------------------------

 

 

+-------------------

 

 

+

0

0

0

0

3F8H

(Serial

1)

0

0

0

1

2F8H

(Serial

2)

0

0

1

0

3220H

(Serial

3)

0

0

1

1

3228H

(Serial

4)

0

1

0

0

4220H

(Serial

5)

0

1

0

1

4228H

(Serial

6)

0

1

1

0

5220H

(Serial

7)

0

1

1

1

5228H

(Serial

8)

1

0

0

0

83F8H

 

 

1

0

0

1

82F8H

 

 

1

0

1

0

B220H

 

 

1

0

1

1

B228H

 

 

1

1

0

0

C220H

 

 

1

1

0

1

C228H

 

 

1

1

1

0

D220H

 

 

1

1

1

1

D228H

 

 

 

+-------------------------

 

 

+-------------------

 

 

+

 

Figure

17. Available base addresses.

 

 

+-------------

 

+-----

+

INSx1 INSx0 IRQ

+-------------

 

+-----

+

0

0

3

0

1

4

1

0

7

1

1

9

+-------------

 

+-----

+

Figure 18. Available interrupt levels.

iii

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Image 21
IBM DS-2000 warranty Programmable Option Select, Available interrupt levels Iii