Arno Wagner <(E-Mail Removed)> wrote:
> Previously mcp6453 <(E-Mail Removed)> wrote:
>> Arno Wagner wrote:
>>> Previously mcp6453 <(E-Mail Removed)> wrote:
>>>> I smoked the board on my WD1600 drive thanks to a bad power
>>>> supply. There are tons of similar boards on eBay, but I cannot
>>>> match
>>>> all of the numbers.
>>>
>>>> MDL: WD1600BB-00FTA0
>>>> DATE: 11 MAY 2004
>>>> DCM: HSCACVJAA
>>>
>>>> Board: 2061-00173-00 DH
>>>> Chip: WD70C22 - GP
>>>> 00-01 ST 2.0
>>>
>>>> 1) How many of the numbers above have to match to get a board that
>>>> will work with this drive?
>>>
>>>> 2) Is it likely that a defective board damages anything inside the
>>>> drive?
>>>
>>> As to 2), there is typically a read amplifier close to the heads and
>>> inside the drive. You may also have ''smoked'' that. If in the
>>> literal sense, then powering up the drive will result in a head
>>> crash with very high probability, as smoke particles are typically
>>> larger than the head-surface distance.
>>>
>>> Arno
>
>> Should I buy a board and give it a shot, or am I likely to toast the
>> replacement board? I would really like to get the data off the
>> drive, although it's not life or death.
>
> I don't think you will necessarily kill the replacement.
> I just think that your chances are slim (read amplifier dead)
> and that you may kill the drive heads. There is a chance that
> the read amplifier shorts out some power lines and that you
> will blow filters on the replacement board. I have no idea
> how likely that is though, but you should probably be prepared
> tho loose the replacement board too.
In reality you are unlikely to lose the replacement board and even if you do, its not much money to lose.
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