Subject: Re: Upgrading a VAX4000-200 to a -500, -700 etc.?
To: Gunther Schadow <gunther@aurora.regenstrief.org>
From: Chuck McManis <cmcmanis@mcmanis.com>
List: port-vax
Date: 06/03/2002 10:13:54
Well the cool thing is if you get the CPU and memory you can "upgrade" you 
MicroVAX II to a much faster box! :-) And postage should be affordable. Now 
I don't generally like to see working systems parted out but a KA660 (that 
is the VAX 4000/200 CPU) for $5 is a great deal.
--Chuck

At 02:30 AM 6/3/02 -0500, Gunther Schadow wrote:
>Chuck McManis wrote:
>
>>Hi Gunthar,
>>Sorry to be the bearer of bad news, but the only way to upgrade the 
>>4000/200 to a 4000/705a is to replace the backplane in the chassis. The 
>>4000/300 and above only run in the BA430 chassis (whereas the 4000/200 
>>could run in the BA213 and BA215)
>>Sometimes a /300 has the faster backplane, all /400's and above do.
>
>
>Well, Chuck, I should have payed attention to this. But at $5
>purchase price I guess a 4000/200 is good enough. I just had
>second thoughts before paying $200 for shipping this thing.
>Now, suppose I could find a /300 packplane from a parts seller,
>how could he tell the difference between the faster/wider and
>the traditional Qbus one? Also, if that was clear, what accessory
>parts should I make sure I also get, like special cables,
>different power supply cables, mounting hardware, that sort of
>stuff?
>
>thanks,
>-Gunther
>
>
>
>
>--
>Gunther Schadow, M.D., Ph.D.                    gschadow@regenstrief.org
>Medical Information Scientist      Regenstrief Institute for Health Care
>Adjunct Assistant Professor        Indiana University School of Medicine
>tel:1(317)630-7960                         http://aurora.regenstrief.org
>
>