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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