Tag Archives: IPHI

Memory choices for the IBM System x3300 M4

Reverting to 3 memory channels per processor – max at 2 DPC

Thanks to Daniel Bowers for clarifying the use of “socket B” Xeon E5-2400 processors in this server.

IBM has announced the x3300 M4 servers – which are 2-socket servers containing 12 DIMM slots.

The 12 DIMM slots suggest these are running at 3 memory channels per processor (as opposed to the 4 memory channel Romley processors seen so far on this blog). And maximum memory capacity is at 2 DPC.

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Awaiting 32GB HCDIMMs

Industry needs availability on a wide range of servers

When 32GB HCDIMMs become available, they will be the memory module of choice in the 32GB segment.

This will be applicable to both the regular Romley servers as well as the non-Intel-POR (plan-of-record) servers like the IBM x3750 M4 server.

The reason is that:

– HCDIMMs are RDIMM-compatible
– HCDIMMs run at higher speed than LRDIMMs
– HCDIMMs outperform LRDIMMs in latency and throughput even when HCDIMMs are run at the lower same speeds as LRDIMM

Their qualification on a wide range of servers is essential for the industry to get access to the best memory available.

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Inphi reports Q2 2012 results

LRDIMM sales occur – and benchmarks

Inphi reported Q2 2012 results.

Inphi suggests sales of both 16GB LRDIMMs and 32GB LRDIMMs.

It is likely that most of these may be 32GB LRDIMMs, since 16GB LRDIMMs are non-viable vs. RDIMMs.

Inphi is shy about reporting benchmarks for LRDIMMs – saying they will be available second half of 2012.

Benchmarks for LRDIMMs should have been available prior to LRDIMM launch.

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Inphi to report July 25

And Netlist after that – implications for Netlist

Inphi will report results on July 25, 2012.

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HyperCloud branding should suggest a better RDIMM

A reader commented on a problem that end-users face when presented with HyperCloud as a solution – firstly that it is not qualified on the server that THEY use, and secondly that the HyperCloud naming/posturing is not immediately suggestive of an RDIMM-compatible product which may have made them consider it even though it was not qualified on their server.

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HyperCloud to own the 32GB market ?

Marketability as a better RDIMM

UPDATE: 07/09/2012 – buyout
UPDATE: 07/09/2012 – strategic value of RDIMM-compatibility and misconceptions debunked
UPDATE: 07/27/2012 – confirmed HCDIMM similar latency as RDIMMs
UPDATE: 07/27/2012 – confirmed LRDIMM latency and throughput weakness

Is Netlist a buyout candidate ?

Is LRDIMM a dead-end product ?

Is it easier to market a better RDIMM that includes all the features of an LRDIMM ?

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Examining patent docs at USPTO II – sloppy appeals

What sloppy appeals at the USPTO look like

UPDATE: 07/08/2012 – quoting from the pdfs

We’ll shed some light on Inphi’s arguments in appeal of USPTO finding in favor of Netlist in the ‘537 and ‘274 patent reexams.

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