Date: Sun, 17 Sep 1995 23:34:51 +0300 From: Heikki Suonsivu <hsu@cs.hut.fi> To: John Fieber <jfieber@indiana.edu> Cc: freebsd-hackers@freefall.FreeBSD.org Subject: Re: atapi.c and wcd.c missing.... Message-ID: <199509172034.XAA01467@shadows.cs.hut.fi> In-Reply-To: John Fieber's message of 17 Sep 1995 21:53:08 %2B0300
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Marketing. If you look around, the devices are pretty competitive, thanks
to Apple for creating a mass market, but the PC SCSI controllers are
PCI NCR controllers cost $80-$100 here end-user. Probably they could cost
even less, looking at the chip count on these things (1).
SCSI is really hairy protocol, a good example of lousy design patched up
several times to add larger block offsets, asynchronous writes and such
things which should have been there from the beginning. So I would not
completely put it on marketing; I can believe that design of a SCSI device
can be a major pain. But imitating ancient MFM controllers is even worse
than SCSI :-).
--
Heikki Suonsivu, T{ysikuu 10 C 83/02210 Espoo/FINLAND,
hsu@cs.hut.fi home +358-0-8031121 work -4513377 fax -4555276 riippu SN
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