Date: Thu, 21 Aug 2003 14:39:44 -0400 From: Leo Bicknell <bicknell@ufp.org> To: freebsd-hackers@freebsd.org Subject: Re: dd to floppies broken? Message-ID: <20030821183944.GA87316@ussenterprise.ufp.org> In-Reply-To: <20030821183421.GN85538@numachi.com> References: <20030821183421.GN85538@numachi.com>
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In a message written on Thu, Aug 21, 2003 at 02:34:21PM -0400, Brian Reiche=
rt wrote:
> # dd bs=3D8192 of=3D/dev/fd0 if=3Dmemtest86-2.9/precomp.bin
> 10+1 records in
> 10+1 records out
> 84480 bytes transferred in 3.775199 secs (22378 bytes/sec)
fd0 is block buffered. Try:
dd bs=3D18k of=3D/dev/rfd0c if=3Dmemtest86-2.9/precomp.bin
I forget why, but 18k maximizes performance on (some?) floppies.
--=20
Leo Bicknell - bicknell@ufp.org - CCIE 3440
PGP keys at http://www.ufp.org/~bicknell/
Read TMBG List - tmbg-list-request@tmbg.org, www.tmbg.org
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