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Looking at the configuration guide for the Intel Server Chassis / Intel Server Board dating "Junly 2012"(sic!), in the section of "Production RAID Controllers" it mentions "Supported in Single processor configuration only" or "Dual processors configuration".

So if I have 2 CPUs present in my system, and install one of the "single processor" RAID controllers, it won't work?

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closed as not a real question by Greg Askew, TomTom, gWaldo, MadHatter, TheCleaner May 22 '13 at 14:48

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

In general, if a vendor is saying "unsupported" it may mean several things:

  1. it will work but don't call us if you have problems
  2. it won't fit
  3. it won't work
  4. it will fry your system and the engineer installing the option

I do not know the ServerChassis, but I would suspect it is 2. - the card which is labeled for "single processor configuration" is a full-height PCIe card, so it might simply get in the way of the cooling assembly of the second CPU:

singleproc RAID

Whereas the "dual processors configuration" card is a low-profile card, taking less physical space in the chassis:

dualproc RAID

It is also possible that one or the other is not supported due to cooling issues as the guide mentions things like

Battery Back-up unit (BBU) is not supported in the SR1630BC due to thermal limitations

In general, if you hear a vendor telling you "not supported" it means something which should not be done. Also, don't be afraid of asking Intel themselves if you need a definite and authoritative answer.

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