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<== Date ==> <== Thread ==>

Subject: RE: Recommendations for Power PC VME cards
From: "David H. Thompson" <[email protected]>
To: techtalk <[email protected]>, "J. Frederick Bartlett ([email protected])" <[email protected]>
Date: Fri, 20 Sep 2002 09:39:41 -0400
At SNS we are planning to use the MVME2101 for the majority of our IOCs.  We
have one 2112 but Motorola tells us that the 2112 board is being
end-of-lifed.  Since we have not yet bought most of the IOCs, we are looking
at a board in the 5100 family. We have a 5110-2143 board in for eval.  This
board is somewhat more expensive than the 2101 but is also faster, 400MHz
vs. 200MHz. We think, from talking to our rep, that the 2101 will be
Motorola's low end board for at least the time frame that we will be buying
IOC boards.  We are watching the situation day to day as we plan to populate
the crates down the accelerator.



> -----Original Message-----
> From: J. Frederick Bartlett ([email protected])
> [mailto:[email protected]]
> Sent: Thursday, September 19, 2002 3:16 PM
> To: Dennis Armstrong
> Cc: [email protected]; [email protected]
> Subject: Re: Recommendations for Power PC VME cards
>
>
> >
> > We are considering an upgrade to our systems to use the Power PC range
> > of VME CPU cards .  So the  question is  which VME CPU cards do EPICS
> > users  use?
> > Which are most compatible with the EPICS software?
> >
> > thanks for the replies
> >
> > regards
> >
>
> Dennis,
>
>   The Fermilab D0 experiment successfully uses MVME2301, MVME2304, and
> MVME2604 processor boards -- we have ~100 PPC processors in the D0
> control system. Depending upon your application, there may be other
> MVME-series PPC boards that would better suit your purposes (i.e. a
> better performance/price ratio). Keep in mind that these boards can
> not be field-upgraded to add memory; so, when you estimate your memory
> requirements, allow for sufficient expansion -- EPICS data structures
> tend to be large.  I usually purchase boards with at least twice the
> memory that I estimate will be initially required.
>
>   We also have MVME162 processors (M68K family) and the same C and C++
> source code builds for both processor families (with one or two
> conditional sections).
>
> 						Fritz Bartlett
>


Replies:
Re: Recommendations for Power PC VME cards Matthias Clausen
References:
Re: Recommendations for Power PC VME cards J. Frederick Bartlett ([email protected])

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