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Beep Codes Error Codes.txt Guest on 19th June 2020 11:23:37 AM
  1. After repeated requests for beep codes i have decided to post them here maybe they could be pinned
  2.  
  3. Standard Original IBM POST Error Codes
  4. Code Description
  5.  
  6. 1 short beep System is OK
  7. 2 short beeps POST Error - error code shown on screen No beep Power supply or system board problem Continuous beep Power supply, system board, or keyboard problem Repeating short beeps Power supply or system board problem
  8. 1 long, 1 short beep System board problem
  9. 1 long, 2 short beeps Display adapter problem (MDA, CGA)
  10. 1 long, 3 short beeps Display adapter problem (EGA)
  11. 3 long beeps 3270 keyboard card
  12. IBM POST Diagnostic Code Descriptions
  13. Code Description
  14. 100 - 199 System Board
  15. 200 - 299 Memory
  16. 300 - 399 Keyboard
  17. 400 - 499 Monochrome Display
  18. 500 - 599 Colour/Graphics Display
  19. 600 - 699 Floppy-disk drive and/or Adapter
  20. 700 - 799 Math Coprocessor
  21. 900 - 999 Parallel Printer Port
  22. 1000 - 1099 Alternate Printer Adapter
  23. 1100 - 1299 Asynchronous Communication Device, Adapter, or Port
  24. 1300 - 1399 Game Port
  25. 1400 - 1499 Colour/Graphics Printer
  26. 1500 - 1599 Synchronous Communication Device, Adapter, or Port
  27. 1700 - 1799 Hard Drive and/or Adapter
  28. 1800 - 1899 Expansion Unit (XT)
  29. 2000 - 2199 Bisynchronous Communication Adapter
  30. 2400 - 2599 EGA system-board Video (MCA)
  31. 3000 - 3199 LAN Adapter
  32. 4800 - 4999 Internal Modem
  33. 7000 - 7099 Phoenix BIOS Chips
  34. 7300 - 7399 3.5" Disk Drive
  35. 8900 - 8999 MIDI Adapter
  36. 11200 - 11299 SCSI Adapter
  37. 21000 - 21099 SCSI Fixed Disk and Controller
  38. 21500 - 21599 SCSI CD-ROM System
  39.  
  40. AMI BIOS Beep Codes
  41. Code Description
  42.  
  43. 1 Short Beep System OK
  44. 2 Short Beeps Parity error in the first 64 KB of memory
  45. 3 Short Beeps Memory failure in the first 64 KB
  46. 4 Short Beeps Memory failure in the first 64 KB Operational of memory
  47. or Timer 1 on the motherboard is not functioning
  48. 5 Short Beeps The CPU on the motherboard generated an error
  49. 6 Short Beeps The keyboard controller may be bad. The BIOS cannot switch to protected mode
  50. 7 Short Beeps The CPU generated an exception interrupt
  51. 8 Short Beeps The system video adapter is either missing, or its memory is faulty
  52. 9 Short Beeps The ROM checksum value does not match the value encoded in the BIOS
  53. 10 Short Beeps The shutdown register for CMOS RAM failed
  54. 11 Short Beeps The external cache is faulty
  55. 1 Long, 3 Short Beeps Memory Problems
  56. 1 Long, 8 Short Beeps Video Card Problems
  57.  
  58. Phoenix BIOS Beep Codes
  59. Note - Phoenix BIOS emits three sets of beeps, separated by a brief pause.
  60.  
  61. Code Description
  62. 1-1-3 CMOS read/write failure
  63. 1-1-4 ROM BIOS checksum error
  64. 1-2-1 Programmable interval timer failure
  65. 1-2-2 DMA initialisation failure
  66. 1-2-3 DMA page register read/write failure
  67. 1-3-1 RAM refresh verification failure
  68. 1-3-3 First 64k RAM chip or data line failure
  69. 1-3-4 First 64k RAM odd/even logic failure
  70. 1-4-1 Address line failure first 64k RAM
  71. 1-4-2 Parity failure first 64k RAM
  72. 2-_-_ Faulty Memory
  73. 3-1-_ Faulty Motherboard
  74. 3-2-4 Keyboard controller Test failure
  75. 3-3-4 Screen initialisation failure
  76. 3-4-1 Screen retrace test failure
  77. 3-4-2 Search for video ROM in progress
  78. 4-2-1 Timer tick interrupt in progress or failure
  79. 4-2-2 Shutdown test in progress or failure
  80. 4-2-3 Gate A20 failure
  81. 4-2-4 Unexpected interrupt in protected mode
  82. 4-3-1 RAM test in progress or failure>ffffh
  83. 4-3-2 Faulty Motherboard
  84. 4-3-3 Interval timer channel 2 test or failure
  85. 4-3-4 Time of Day clock test failure
  86. 4-4-1 Serial port test or failure
  87. 4-4-2 Parallel port test or failure
  88. 4-4-3 Math coprocessor test or failure
  89. Low 1-1-2 System Board select failure
  90. Low 1-1-3 Extended CMOS RAM failure

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