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 Post subject: WD6401AALS PCB adaptation
PostPosted: December 2nd, 2012, 1:39 
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Joined: November 17th, 2012, 23:38
Posts: 9
Location: Canada
I have two fried PCBs of 2x wd 6401AALS black edition that were working on a Raid1 config.

Board Number: 2060-701567-000
Main Controller IC: 88i8845E-BHY2
HDD Motor Combo IC: L7251 2.2
Western Digital PCB 2060-701567-000

I have got the replacement donor PCBs and require a PCB adaptation service.

The SMOOTH chip is damaged on the side that drives the spindle motor. The side that controls the board's switchmode power supplies, including the Vcore and Vio supplies for the MCU, is not damaged, so I would expect that the MCU has probably survived.

As i understand the "ROM' on the board can be reconstructed using commercial data recovery software that accesses the hidden System Area on the platters and retrieves various firmware modules which are then reassembled into a ROM image which can then be written to the MCU's flash memory.

This is a simple, single-click procedure which requires no soldering. That said, some firmware versions do not have the required ROM backup on the platters, so the procedure in those cases may require an MCU transplant, or some other software method which I don't know.

I was wondering if anyone is familiar with the specific version of drives and whether ROM can be reconstructed or it requires MCU transplant. In any case a reference to a reliable vendor for the adaptation service is more than welcomed (vancouver canada).

Cheers

Steven


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 Post subject: Re: WD6401AALS PCB adaptation
PostPosted: December 2nd, 2012, 10:17 
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Joined: August 18th, 2010, 17:35
Posts: 3669
Location: Massachusetts, USA
Based on your choice of words, I have a feeling you have already visited this site, see donordrives.com, but just be aware there could be additional issues with your drive. More testing will be necessary.

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Hard Disk Drive (HDD), Solid State Drive (SSD, SATA, NVMe, etc), USB Flash Drive and RAID Data Recovery Specialist in Massachusetts


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 Post subject: Re: WD6401AALS PCB adaptation
PostPosted: December 2nd, 2012, 11:58 
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Joined: July 7th, 2010, 4:45
Posts: 924
Location: UK
Duplicate post

6401aals-pcb-ics-swap-service-required-t24587.html#p165931


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