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B250 M2 Memory config query

Hi there

Is anyone running a B250 M2 blade with a 2DIMMs per channel memory config?  Some confusion between what the config tool (Designxpert) allows as  a valid config and what the docs say is supported. I must be missing something.

Basically I want to spec a B250 blade with 96Gb using 8 Gb DIMMs.

So a pair of 8Gb DIMMs per channel per CPU, so thats 3 pairs, 6 DIMMs per proc.  According to:

http://www.cisco.com/en/US/docs/unified_computing/ucs/hw/chassis/install/fullblade.html#wp43113

That *appears* to conform to the '2DIMMs per channel' config.  But the config tool always makes any config up to 24 DIMMs.

I can use 4Gb DIMMs but am curious.

If someone could let me know where the fault in my understand is I'd appreciate it!

TIA

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