Hi all
thanks to the folks that sent me answers.
Some people seemed to think a backplane upgrade would be required.
While others said that they had upgraded from EV56 to EV67 with no
back plane upgrade. Pretty confusing I have to say. We are still
waiting for a definitive answer from our reseller.
Arrigo Triulzi said:-
> I am pretty sure you need a backplane upgrade. I have an AS8200 and
> we would have needed a backplane upgrade to go EV6 so we bought 2x
> DS20s instead (we didn't really need the rack space for our application).
>
Iwao MAKINO's reply:-
> I have never used/touched AS8400, so can not guarantee, but as far as I
> know, upgrading from EV5ish to EV6-ish is whole different issue as M/B is
> different, but again, I haven't seen AS8400, so it may be possible.
>
> Bottom line is, EV5 440 and 625 are same CPU family, but EV6 is totally
> different monster.
>
> PS: I do not know any 2nd hand memory dealer in UK, but I recommend you to
> get in touch w/ Viking Components, their memory is reasonable and has very
> well performed on our system.
>
Miika Pulkkinen's answer:-
> Well, last summer we upgraded our customer's AS8400 to GS140 by switching two
> EV56 625 MHz modules to one EV6 2x500MHz module. I vaguely remember that a
> firmware upgrade was require
Dennis Peacok's
> At least when we upgraded two of our AS8400's we did NOT have to upgrade the
> backplane. This was an upgrade from EV56 to the EV67's.......
>
Eskil Swahn came back with:-
> Although not exactly the same situation as yours but we did an upgrade
> some years ago from 8200 5/440 to GS60 6/525 without having to change
> anything but the CPU-modules. I haven't seen anything about a possibility
> to upgrade the back plane so that sounds wrong.
>
Orignal Posting
> Hi
> We are looking to upgrade our current processors in our AS8400. We
> currently have 625MHz EV56 fitted. When we last talked to our reseller
> about upgrading to EV6 the guy in charge of our account said that we
> would need to upgrade the back plane if we did this upgrade. We now
> have a new guy as our account rep and he has not mentioned the upgrade
> of the backplane at all. When I asked him he said he didnt know if
> that was required.
>
> My question is if we upgrade an AS8400 that had previously been
> upgraded from EV5 440 MHz cpus to EV5 625Mhz, to EV67 do we need a new
> backplane?
>
> Also we are looking for a 2nd hand 2GB Memory module for an AS8400 and
> anyone in the UK has one for sale please get in touch
--
Gwen Pettigrew
Computer Officer
Institute of Theoretical Geophysics
Department of Earth Sciences
Downing Street
Cambridge
CB2 3EQ
UK
Tel 01223 333464
E-mail gwen_at_itg.cam.ac.uk
W3 http://www.itg.cam.ac.uk/ITG/members/gwen/
Received on Mon Apr 17 2000 - 14:14:56 NZST