Subject: Re: If you want a machine to make your uVAX II look fast...
To: John Wilson <wilson@dbit.com>
From: Johnny Billquist <bqt@update.uu.se>
List: port-vax
Date: 10/30/2002 17:31:56
On Wed, 30 Oct 2002, John Wilson wrote:

> I'll say.  I've got an 11/730 stashed in my garage (that I keep meaning to
> haul out and play with), which I used to run with 4.2BSD.  With just one
> user on it, you could overrun its TTY input buffer to the point of pathetic
> beeping, just by typing random input quickly *by hand*.  Now that's slow!!!

Bet that was with a DZ-11 as well. About the worst peripherial you can
imagine, and combined with the slow interrupt response time of a VAX it
really sucks.

Or, to quote the RSX sources (from [11,10]TDSCH.MAC):

;+
;  If we cannot process a clock interrupt within 10 seconds, we are
;       no longer processing in real time, and we may as well become
;       a VAX ... Call an end to this ... NOW!
;-
        BGCK$A  BF.SAN,BE.IDC,<FATAL>   ;;; System massively confused


	Johnny

Johnny Billquist                  || "I'm on a bus
                                  ||  on a psychedelic trip
email: bqt@update.uu.se           ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol