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Date:      Thu, 13 Jan 2000 10:50:45 -0700
From:      Wes Peters <wes@softweyr.com>
To:        Marcin Cieslak <saper@system.pl>
Cc:        Warner Losh <imp@village.org>, "Forrest W. Christian" <forrestc@imach.com>, Mike Smith <msmith@freebsd.org>, Geff Hanoian <boing@boing.com>, freebsd-stable@freebsd.org, freebsd-hackers@freebsd.org
Subject:   Re: fbsdboot.exe can't load elf kernels (flash cards off topic)
Message-ID:  <387E1075.6ADE62A5@softweyr.com>
References:  <Pine.GSO.4.20.0001122118090.12128-100000@tricord.system.pl>

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Marcin Cieslak wrote:
> 
> On Wed, 12 Jan 2000, Warner Losh wrote:
> 
> > The linear flash cards don't have an ata interface,
> > so PAO and soon -current won't recognize them.
> 
> They don't have and we don't need it.
> Once can easily read them with low-level pccardc interface.
> In general, flash cards are not meant to be written too often,
> so I belive we won't put a real filesystem on them.
> Just a kernel and mfsroot image perhaps?

Modern flash chips support on the order of 1,000,000 write cycles, so this
is not such a concern anymore.  There is no reason why we shouldn't put
a filesystem on a flash card.

A better choice might be the flash disk cards from SanDisk and others,
since they do have an ATA interface and look like a small ATA drive
to the pccard code.  Unless the linear flash cards are a LOT less
expensive, there isn't a lot of reason to do all the extra work.

-- 
            "Where am I, and what am I doing in this handbasket?"

Wes Peters                                                         Softweyr LLC
wes@softweyr.com                                           http://softweyr.com/


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