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Date:      Sat, 27 Jun 1998 10:46:26 -0700
From:      Mike Smith <mike@smith.net.au>
To:        Marc Nicholas <marc@hippocampus.net>
Cc:        Peter Wallace <pcw@mesanet.com>, "Christopher G. Petrilli" <petrilli@dworkin.amber.org>, Andrzej Bialecki <abial@nask.pl>, freebsd-small@FreeBSD.ORG
Subject:   Re: I'm back. 
Message-ID:  <199806271746.KAA15366@antipodes.cdrom.com>
In-Reply-To: Your message of "Fri, 26 Jun 1998 19:55:22 EDT." <Pine.BSF.3.95.980626195452.23779A-100000@neuron.hippocampus.net> 

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> On Fri, 26 Jun 1998, Peter Wallace wrote:
> 
> > > I think you miss the statement IDE... this is a "black box" that to all
> > > parties looks just like a IDE drive would, and the OS is totally unaware
> > > of the fact that it's actually flash... no support needed.
> > Just dont swap to it :-)
> 
> Heh...damn right! I get paranoid just *writing* a file to mine...they're
> only good for about a million writes per cell.

Only if you buy the cheap ones.  8)

Actually, the best design I've seen so far uses a battery-backed SRAM 
for initial storage, and then does a sweep every 10 minutes updating 
changed pages into flash.  When the power is off at the end of the 
sweep, the battery gets disconnected, and then on power-up the SRAM is 
repopulated.  More complex, sure, but for some applications...

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com



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