Reading DRAM modules after loss of power

Ignacio Vazquez-Abrams ivazqueznet at gmail.com
Fri Feb 22 16:29:40 UTC 2008


On Fri, 2008-02-22 at 14:12 +0100, Lubomir Kundrak wrote:
> Is this a hoax?
> http://citp.princeton.edu/memory/exp/
> 
> I thought there was a good reason for DRAM memory cells to be refreshed
> every 64ms. Anyone tried that?

The discharge curve of DRAM is logarithmic, not linear; it's still
possible to have enough charge for the discriminators to pick up even
after several minutes of discharge. So yes, this is entirely feasible.
And no, there's nothing we (Fedora) can do about it.

-- 
Ignacio Vazquez-Abrams <ivazqueznet at gmail.com>

PLEASE don't CC me; I'm already subscribed
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