Tiehui Ted Liu
thliu at fnal.gov
Wed Mar 23 10:35:37 CDT 2011
Mel, I can comment on DF about this on April 5th. the 8U size is not a disadvantage at all and I will explain that.
but I am biased, because I like ATCA (over VME).
On Mar 23, 2011, at 10:05 AM, Mel Shochet wrote:
> There are now two suggestions for moving to ATCA. Interboard data
> transfer in the Data Formatter crates could be made easier (the
> alternative being fibers between boards). The Initial Design Review
> committee recommends that we consider ATCA for the core crates because
> of the committee's concern about power (our 48-volt solution) and
> cooling. We will have to respond to this suggestion. (A potential
> disadvantage is ATCA's 8U vs VME's 9U size). Could we have an initial
> discussion of the issue at our meeting in 2 weeks (April 5)? We could
> hear what the DF issues are from Fermilab and what the core crate issues
> are from someone in Italy working on the AM and associated
> infrastructure. Then we can decide on the next steps if any.
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