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