Amiga 2000 revision 6.2 motherboard re-done in KiCAD.
Schematics and PCB done, and working, see README for notes.
WARNING: stability issue with Wicher 500i, could be noise related from accelerator speed.
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2.4 KiB

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  1. EESchema Schematic File Version 4
  2. EELAYER 30 0
  3. EELAYER END
  4. $Descr A4 11693 8268
  5. encoding utf-8
  6. Sheet 1 13
  7. Title ""
  8. Date "07/06/1987"
  9. Rev "6.2-a"
  10. Comp "Commodore"
  11. Comment1 "Drawn by: Dave Haynie"
  12. Comment2 "Used on: A2000-CR"
  13. Comment3 ""
  14. Comment4 ""
  15. $EndDescr
  16. $Sheet
  17. S 1000 1000 1000 500
  18. U 5CEA6F7F
  19. F0 "processor" 50
  20. F1 "processor.sch" 50
  21. $EndSheet
  22. $Sheet
  23. S 2500 1000 1000 500
  24. U 5CEA6FCB
  25. F0 "paula" 50
  26. F1 "paula.sch" 50
  27. $EndSheet
  28. $Sheet
  29. S 4000 1000 1000 500
  30. U 5CEA702B
  31. F0 "serial" 50
  32. F1 "serial.sch" 50
  33. $EndSheet
  34. $Sheet
  35. S 5500 1000 1000 500
  36. U 5CEA7058
  37. F0 "power" 50
  38. F1 "power.sch" 50
  39. $EndSheet
  40. $Sheet
  41. S 7000 1000 1000 500
  42. U 5CEA708D
  43. F0 "chipram" 50
  44. F1 "chipram.sch" 50
  45. $EndSheet
  46. $Sheet
  47. S 8500 1000 1000 500
  48. U 5CEA70D9
  49. F0 "zorro" 50
  50. F1 "zorro.sch" 50
  51. $EndSheet
  52. $Sheet
  53. S 1000 2000 1000 500
  54. U 5CEA7188
  55. F0 "pc slots" 50
  56. F1 "pc slots.sch" 50
  57. $EndSheet
  58. $Sheet
  59. S 2500 2000 1000 500
  60. U 5CEA71BC
  61. F0 "expansion logic" 50
  62. F1 "expansion logic.sch" 50
  63. $EndSheet
  64. $Sheet
  65. S 4000 2000 1000 500
  66. U 5CEA71EC
  67. F0 "agnus" 50
  68. F1 "agnus.sch" 50
  69. $EndSheet
  70. $Sheet
  71. S 5500 2000 1000 500
  72. U 5CEA721E
  73. F0 "parallel" 50
  74. F1 "parallel.sch" 50
  75. $EndSheet
  76. $Sheet
  77. S 7000 2000 1000 500
  78. U 5CEA7254
  79. F0 "denise" 50
  80. F1 "denise.sch" 50
  81. $EndSheet
  82. $Sheet
  83. S 8500 2000 1000 500
  84. U 5CEA727E
  85. F0 "coprocessor slot" 50
  86. F1 "coprocessor slot.sch" 50
  87. $EndSheet
  88. Text Notes 1050 1350 0 79 ~ 0
  89. review 1 : ok\nreview 2 :
  90. Text Notes 900 6350 0 157 ~ 0
  91. Rev 6.3 fixes :\n - Kickstart 2.03 and Denise 8373\n\nRev 6.4 fixes :\n - Agnus 8375\n - Instead of R101, add a capacitor (100nF) from right side of R101 to ground
  92. Text Notes 1050 2350 0 79 ~ 0
  93. review 1 : ok\nreview 2 :
  94. Text Notes 2550 2350 0 79 ~ 0
  95. review 1 : ok\nreview 2 :
  96. Text Notes 4050 2350 0 79 ~ 0
  97. review 1 : ok\nreview 2 :
  98. Text Notes 5550 2350 0 79 ~ 0
  99. review 1 : ok\nreview 2 :
  100. Text Notes 5550 1350 0 79 ~ 0
  101. review 1 : ok\nreview 2 :
  102. Text Notes 4050 1350 0 79 ~ 0
  103. review 1 : ok\nreview 2 :
  104. Text Notes 2550 1350 0 79 ~ 0
  105. review 1 : ok\nreview 2 :
  106. Text Notes 7050 1350 0 79 ~ 0
  107. review 1 : ok\nreview 2 :
  108. Text Notes 8550 1350 0 79 ~ 0
  109. review 1 : ok\nreview 2 :
  110. Text Notes 8550 2350 0 79 ~ 0
  111. review 1 : ok\nreview 2 :
  112. Text Notes 7050 2350 0 79 ~ 0
  113. review 1 : ok\nreview 2 :
  114. Text Notes 1850 3950 0 118 ~ 0
  115. Notes: XX4256-15 pins 18 and 19 are swapped in the original scanned schematics\npin 18 of U501 is DRD2, and 19 is DRD3.
  116. $EndSCHEMATC