Subject: Re: VAX 6460 being slow, IO bottlenecks and SMP woes ...
To: Chuck McManis <>
From: Thor Lancelot Simon <>
List: port-vax
Date: 03/21/2002 02:42:16
On Wed, Mar 20, 2002 at 07:51:15PM -0800, Chuck McManis wrote:
> At 10:15 PM 3/20/02 -0500, Gunther Schadow wrote:
> I'm certainly not complaining, just wondering and trying to
> >understand what exactly it is that made people pay millions
> >of dollars for a harware that was only a few years later
> >outpaced by the poor man's desktop ...
> It wasn't. It does thing that today's desktops can't do. When is the last 
> time you got 99.999% uptime out of a PC? Even though the theoretical 
> bandwidth of the PCI bus was 120+ MB/sec systems rarely achieved > 1 - 2 
> MB/sec sustained throughput.

Uh, whatever you say.  However, the theoretical maximum bandwidth of a
32bit, 33MHz PCI bus is 132MB/sec, and, in point of fact, I regularly
achieved well over 30MB/sec of sustained throughput on second-generation
PCI systems in production in 1995.