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
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