Subject: Re: HD speed
To: Paulo Alexandre Pinto Pires <pappires@vortex.del.ufrj.br>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-sun3
Date: 08/12/1996 10:01:56
On Sat, 10 Aug 1996 15:08:04 -0300 (EST) 
 Paulo Alexandre Pinto Pires <pappires@vortex.del.ufrj.br> wrote:

 > I have spoken to some people in IRC who run NetBSD-1.1 in 3/60
 > out of the box and they told me that they have good results.
 > 
 > Well, about 75kb/s is bad, but I tried to have this machine be
 > the boot server for another 3/60 and the performance was still
 > worse: 4.5kb/s!!  It is almost slower than a modem!!!! :((((

The primary reason for this is that the SCSI driver in NetBSD/sun3 1.1 
didn't use DMA ... several bugs in the driver have been quished since, 
and I'm quite happily using DMA on my 3/60 at home, running -current.

 -- save the ancient forests - http://www.bayarea.net/~thorpej/forest/ -- 
Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                               Home: 408.866.1912
NAS: M/S 258-6                                          Work: 415.604.0935
Moffett Field, CA 94035                                Pager: 415.428.6939