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From: JosephKK on 27 Apr 2010 01:17
On Sat, 24 Apr 2010 14:04:49 -0700 (PDT), GreenXenon
<glucegen1x(a)gmail.com> wrote:

>On Apr 15, 5:31 pm, whit3rd <whit...(a)gmail.com> wrote:
>> On Apr 15, 2:15 pm, GreenXenon <glucege...(a)gmail.com> wrote:
>>
>> > If I heat the platters of my HDD beyond curie point to eliminate the
>> > platters' magnetic properties, will disk-splicing still make it
>> > possible to recover data from those platters?
>>
>> No.  Alas, you haven't any clear idea what the 'curie point' is
>> for any given disk, since you don't know the magnetic formula.
>> Disk-splicing will lose data at each stress region, since stress
>> leading to fracture or bending is also capable of demagnetizing.
>>
>> > Can similar data recovery be performed on volatile RAM chips even
>> > after the power is offed.
>>
>> Similar, no.  Recovery, yes.  The volatility has a time decay constant
>> of a second or so, and it takes a long, temperature-dependent, delay
>> after power-off tothermalizethe information to nonexistence.
>
>
>Let's say that after the power supply is cut-off from the volatile RAM
>chip, the RAM chip is heated to the hottest it can get without
>suffering any physical damage. Will this speed up the rate at which
>data is lost?

Unless you can reliably get temperature regulated heated air on the
memory module in a fraction of a second, it won't much matter.
From: Kevin McMurtrie on 28 Apr 2010 01:52
In article <amsct5pt6d89hektqtmo78jj8ov99d71f4(a)4ax.com>,
"JosephKK"<quiettechblue(a)yahoo.com> wrote:

> On Sat, 24 Apr 2010 14:04:49 -0700 (PDT), GreenXenon
> <glucegen1x(a)gmail.com> wrote:
>
> >On Apr 15, 5:31�pm, whit3rd <whit...(a)gmail.com> wrote:
> >> On Apr 15, 2:15�pm, GreenXenon <glucege...(a)gmail.com> wrote:
> >>
> >> > If I heat the platters of my HDD beyond curie point to eliminate the
> >> > platters' magnetic properties, will disk-splicing still make it
> >> > possible to recover data from those platters?
> >>
> >> No. �Alas, you haven't any clear idea what the 'curie point' is
> >> for any given disk, since you don't know the magnetic formula.
> >> Disk-splicing will lose data at each stress region, since stress
> >> leading to fracture or bending is also capable of demagnetizing.
> >>
> >> > Can similar data recovery be performed on volatile RAM chips even
> >> > after the power is offed.
> >>
> >> Similar, no. �Recovery, yes. �The volatility has a time decay constant
> >> of a second or so, and it takes a long, temperature-dependent, delay
> >> after power-off tothermalizethe information to nonexistence.
> >
> >
> >Let's say that after the power supply is cut-off from the volatile RAM
> >chip, the RAM chip is heated to the hottest it can get without
> >suffering any physical damage. Will this speed up the rate at which
> >data is lost?
>
> Unless you can reliably get temperature regulated heated air on the
> memory module in a fraction of a second, it won't much matter.

A slate bar works great for erasing digital media. Cheap, fast, legal,
and a good way to say "bye" to the malfunctioning hard drive that caused
you grief.
--
I won't see Google Groups replies because I must filter them as spam
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