Re: Fast CPUs with PCT

[dempson@swell.actrix.gen.nz (David Empson)]

In article <1993Jul19.151836.111513@hal.isc.toronto.ibm.com> jeremy@hal.isc.toronto.ibm.com writes:
>   I have recently upgraded my Transwarp GS to 12.5 MHz, but I am experiencing
> some problems now.  When I startup the the PC Transporter software and the
> screen switches into the IBM mode, nothing gets displayed.  At that point,
> it normally displays the version info for the PC Transporter.

[snip]

>   I try to go to the PCT control panel and it still displays nothing.  I tried
> slowing the Transwarp right down to 1MHz, and it still does not work.  I have 
> checked all the connections from the boards video all the way out to the 
> monitor.  I removed the Transwarp and tried the original GS CPU and the display
> worked!

[snip]

This sounds like exactly the same problem which occurs with _some_ ZIP
GS boards and _some_ PC Transporters.

According to ZIP Technology, the problem is caused by the PC
Transporter putting an excessive load on one] of the bus signals (a
clock line, I think).  Why this would affect the PCT's display, I have
no idea.

This happened with my ZIP GS.  The PC Transporter's display didn't
work while the ZIP was installed, but after I sent the ZIP back to be
modified, the PC Transporter worked fine.

It sounds like the TransWarp GS can suffer from the same problem.
Good luck trying to convince Applied Engineering, though.


By the way: you had an error in your article header.  It seems you set
the "Followup-to" line to your mail address.  It is supposed to
contain a newsgroup name.  There is no way to force people to reply in
E-Mail (you can ask them to).  You can put a "reply-to" line in your
header, but that will only have an affect if they use the "reply"
command instead of "follow-up".
-- 
David Empson                                                               
dempson@swell.actrix.gen.nz                                                
Snail mail: P.O. Box 27-103, Wellington, New Zealand