B-3. TIMER & DMA CHANNELS MAP

Timer Channel Map :

 

Timer Channel

Assignment

 

0

System timer interrupt

 

1

DRAM Refresh request

 

2

Speaker tone generator

DMA Channel Map :

 

 

 

 

 

DMA Channel

Assignment

 

0

Available

 

1

IBM SDLC

 

2

Floppy Disk adapter

 

3

Channel-3 Available

 

4

Cascade for DMA controller 1

 

5

Available

 

6

Available

 

7

Available

~ Page 51 ~

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Image 57
Curtis AR-B1682 operation manual Timer & DMA Channels MAP, Timer Channel Map, DMA Channel Map, IBM Sdlc