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Text File  |  1990-11-28  |  2KB  |  39 lines
  1. FOIL SIDE               Rear Panel      COMPONENT SIDE
  2. Ground          B1                      A1      ~I/O Check
  3. Reset (powerup) B2                      A2      Data bit 7
  4. +5 V DC         B3                      A3      Date bit 6
  5. IRQ 2           B4                      A4      Data bit 5
  6. -5 V DC         B5                      A5      Data bit 4
  7. D REQ 2         B6                      A6      Data bit 3
  8. -12 V DC        B7                      A7      Data bit 2
  9. Reserved        B8                      A8      Data bit 1
  10. +12 V DC        B9                      A9      Data bit 0
  11. Ground          B10                     A10     I/O Channel Ready
  12. ~MEMW           B11                     A11     AEN
  13. ~MEMR           B12                     A12     Address bit 19
  14. ~IOW            B13                     A13     Address bit 18
  15. ~IOR            B14                     A14     Address bit 17
  16. ~D ACK 3        B15                     A15     Address bit 16
  17. D REQ 3         B16                     A16     Address bit 15
  18. ~D ACK 1        B17                     A17     Address bit 14
  19. D REQ 1         B18                     A18     Address bit 13
  20. ~ D ACK 0       B19                     A19     Address bit 12
  21. Clock 4.77MHz   B20                     A20     Address bit 11
  22. IRQ 7           B21                     A21     Address bit 10
  23. IRQ 6           B22                     A22     Address bit 9
  24. IRQ 5           B23                     A23     Address bit 8
  25. IRQ 4           B24                     A24     Address bit 7
  26. IRQ 3           B25                     A25     Address bit 6
  27. ~D ACK 2        B26                     A26     Address bit 5
  28. T/C             B27                     A27     Address bit 4
  29. ALE             B28                     A28     Address bit 3
  30. +5 V DC         B29                     A29     Address bit 2
  31. OSC 14.31818MHz B30                     A30     Address bit 1
  32. Ground          B31                     A31     Address bit 0
  33.  
  34. ALE     Address Latch Enable
  35. T/C     Terminal Count (DMA)
  36. AEN     Address Enable
  37. MEMR/W  Memory Read/Write
  38. IOR/W   IO Read/Write
  39.