Subject: Re: DECsystem 5500 support
To: Anders Magnusson <ragge@ludd.luth.se>
From: Matt Thomas <matt@3am-software.com>
List: port-pmax
Date: 12/01/1999 08:07:02
At 08:01 AM 12/1/99 , Anders Magnusson wrote:
>) I have a 5500 myself, and started last summer to make the qbus
>code more MI, to be able to support the 5400/5500.
>
> >
> > * The "asc" for turbochannel pmaxes seems to be the 53C94, whilst
> > the vax uses the "ncr" driver for the 5380. Would these be
> > likely to remain as two seperate drivers under NetBSD and not use
> > a ultrix-like merged "asc" driver?
> >
>There is (almost) no similarity between the 5394 and the 5380, so they
>are quite likely to remain different drivers :-) Ultrix uses "sii"
>for its 5380.
The sii is a completely different chip from the 5380. I almost have the
53c94 support done for the VS4000 machines. I don't know if it's applicable
to the 5500. I think it's 53c94 uses a shared memory region instead of
a DMA map like the VS4000.
\
--
Matt Thomas Internet: matt@3am-software.com
3am Software Foundry WWW URL: http://www.3am-software.com/bio/matt/
Cupertino, CA Disclaimer: I avow all knowledge of this message