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Thread: Alternate PCB numbers for Western Digital hard drive.

  1. #1
    Join Date
    Feb 2012
    Posts
    88

    Alternate PCB numbers for Western Digital hard drive.

    I am currently using hard drive number. Previously I was using pcb number as 701267. But now I can’t find it. Does anybody know alternative pcb number for WD hard drive. Please post valid numbers.

  2. #2
    Join Date
    Aug 2011
    Posts
    305

    Re: Alternate PCB numbers for Western Digital hard drive.

    One can’t find pcb number for wd hard disk. This is a common problem. I have some alternative pcb numbers which will help.
    1-701590 you can use 701537
    2-771590 you can use 701590
    3-701267 you can use 701266 (ROM swaps needed)
    4-701567 you can use 701537
    5-701596 you can use 701590 or can use 701537
    6-701477 you can use 701444
    All these numbers are tested.

  3. #3
    Join Date
    Jun 2011
    Posts
    501

    Re: Alternate PCB numbers for Western Digital hard drive.

    PCB number 501567 and 501537 are not compatible.
    Are the wired signals in connector J1
    701537 -> J1 pin 1 is connected to GND
    701567 -> J1 pin 2 is connected to GND
    thus, these 2 PCB are interchangeable only in few cases. Not every Rom is compatible with PCBs with these 2 numbers.

  4. #4
    Join Date
    May 2011
    Posts
    483

    Re: Alternate PCB numbers for Western Digital hard drive.

    Use multimeter to find where on connector J1 is GND at 701567 and at 701537.
    You can find some versions f Rom that will work with 88i8846-TFJ2 MCU and on 88i8845D-BHG2 MCU both. One such ROM is Atlantis ROM 05APE_04AD.

  5. #5
    Join Date
    Jul 2011
    Posts
    397

    Re: Alternate PCB numbers for Western Digital hard drive.

    Some versions of ROM when saved to PCB which is equipped with another model of MCU which kills PCB. These PCBs works with j-tag and tiny consoles.
    Rom such as Pinnacle ROM 052JA_0427 written to the PCB with MCU 88i8846-TFJ2 kills PCBs.
    Even not every model of PCB number 701590 are compatible.
    2060-701590-000 REV A - MCU 88i8846-TFJ2 (internal ROM) and
    2060-701590-001 REV A - MCU 88i8846E-TFJ2 (external ROM) are not compatible with each other.

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