HDD firmware chip

Discussion in 'Memory and Storage' started by sswingle, Sep 7, 2012.

  1. sswingle

    sswingle Diamond Member

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  3. PottedMeat

    PottedMeat Lifer

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    winbond makes serial eeproms so i'd guess that one, but to be sure look up the chip markings.


    ...assuming it isn't stored on the large LSI or texas instruments ASICs.
     
  4. sswingle

    sswingle Diamond Member

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    Below the winbond marking I believe it says 25x40BLS09 1048

    the other chip just has:

    4184P
    P051
     
  5. Compman55

    Compman55 Golden Member

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    Often the firmware is on a special area of the platter. Reason being is my motor controller went bad on a WD800JB. After swapping circuit boards with one that had a newer firmware, it never changed. So on that drive the firmware was on the platters.