post code master - the site for BIOS, POST & BEEP code information

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Compaq 386 BIOS Post Codes

  • 01 - I/O ROM error
  • 02 - System memory board failure
  • 12 - System option error
  • 13 - Time and date not set
  • 14 - Memory size error
  • 21 - Memory error
  • 23 - Memory address error
  • 25 - Memory error
  • 26 - Keyboard error
  • 33 - Keyboard controller error
  • 34 - Keyboard or system unit error
  • 41 - Printer error
  • 42 - Monochrome adapter failure
  • 51 - Display adapter failure
  • 61 - Diskette controller failure
  • 62 - Diskette boot recorder error
  • 65 - Ext. FDC failed got to internal F
  • 6A - Floppy port address conflict
  • 6B - Floppy port address conflict
  • 72 - Coprocessor detection
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