Subject: Re: OFF TOPIC: Ultrix for VS4000?
To: None <port-vax@NetBSD.ORG>
From: Michael Sokolov <sokolov@alpha.CES.CWRU.Edu>
List: port-vax
Date: 03/23/1998 14:22:16
Paul Repacholi ( prep ) <zrepachol@alpha2.curtin.edu.au> wrote:
> The VLC i a horror box. Seems real nice, till you
> hit the disks. The io to them is all program io!

I don't believe this. The SCSI subsystem in VS4000s is the same as in MV3100
M30+, based on NCR 53C94. It is supposed to be an improvement over VS2000/
MV2000/VS3100/MV3100 M10/10e/20/20e, which are all based on NCR 5380 and use
DMA, although through an intermediate buffer.

Sincerely,
Michael Sokolov
Phone: 440-449-0299
ARPA Internet SMTP mail: sokolov@alpha.ces.cwru.edu