I/O Addresses

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Author:
shadrinaff
ID:
8920
Filename:
I/O Addresses
Updated:
2010-03-02 23:18:17
Tags:
input output address for devices study guide A certification CompTIA
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Description:
Input/Output addresses in HEXdecimal format
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  1. System Timer
    040-043
  2. Keyboard
    060-064
  3. FDC
    3F0-3F7
  4. Sound Card
    220-xxx
  5. Joystick
    200-207
  6. IDE Primary
    1F0-1F7
  7. IDE Secondary
    170-177
  8. LPT1
    378-37F
  9. LPT2
    278-27F
  10. COM1
    3F8-3FF
  11. COM2
    2F8-2FF
  12. COM 3
    3E8-3EF
  13. COM 4
    2E8-2EF
  14. Math Processor
    0F0-0FF
  15. The Decimal number of 10,11,12,13,14, and 15 are converted to which letters in Hexidecimal?
    A, B, C, D, E, and F respectively
  16. How would you calculate Binary sets?
    • Each sets is broken into sets of 4 where zero is 0000 and 1 is 00001.
    • Let each 0 in the set represent 1,2,4 and 8 when presented with a decimal set you can find the binary representation by using the vaules of each 0 to sum the number you are trying to determine. Where 9 decimal is equal to 1001, 7=0111 and so on...

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