Subject: Re: NetBSD i386 bounce-buffer non-feature
To: Tom I Helbekkmo <tih@Hamartun.Priv.NO>
From: Anders Magnusson <ragge@ludd.luth.se>
List: current-users
Date: 02/12/1996 12:38:00
>
> Heck (can I say "heck" here after Black Thursday?), this is like VAX
> port-master Ragge saying that NetBSD/VAX will never support the
> MicroVAX 2000 and VAXstation 2000 (probably _the_ most frequently
> asked after VAX port) because of the way DEC decided to have disk and
> tape I/O circuitry share a certain memory buffer, making disk and tape
> drivers for the beasts a bit more difficult to implement. Actually,
> it's worse -- the MV/VS 2000 hardware _is_ broken, on purpose, whereas
> the ISA bus just has a very simple, specific limitation that's easy to
> work around.
>
...or say that it'll never support Emulex cards, because all of them
are broken by implementation, some of them so badly that MSCP
protocol isn't following DEC's spec's. Fortunately, most of the
support code for those broken cards are already written. :-)
-- Ragge