How to check if ECC is enabled and working

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via How to Check ECC RAM Functionality by Matt Bach (Puget Labs)

  • MemTest86 version 5 or later
  • # dmidecode -t memory | grep "Error Correction Type"
  • ecc_check
    • source, local copy
    • $ gcc ecc_check.c -o ecc_check
    • # ./ecc_check
    • values in the far-right column:
      • 0: ECC disabled
      • 1: ECC is active in I/O; ECC logic is not active in this case
      • 2: ECC is disabled in I/O, but ECC logic is enabled
      • 3: ECC active in both I/O and ECC logic
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