What size are my v880 DIMMS ??

From: Gary Brett (gary.brett@fidessa.com)
Date: Wed Apr 25 2007 - 09:21:18 EDT


Hi

I have a v880 running in production, and I wanted to know what size DIMMS we
have in the box, but the output of prtdiag - v is really confusing, see below

Sun Fire 880 (8 X UltraSPARC-III+ 1200MHz)
           Logical Logical Logical
      MC Bank Bank Bank DIMM Interleave Interleaved
 Brd ID num size Status Size Factor with
---- --- ---- ------ ----------- ------ ---------- -----------
  A 0 0 512MB no_status 256MB 8-way 0
  A 0 1 512MB no_status 256MB 8-way 0
  A 0 2 512MB no_status 256MB 8-way 0
  A 0 3 512MB no_status 256MB 8-way 0
  B 1 0 512MB no_status 256MB 8-way 1
  B 1 1 512MB no_status 256MB 8-way 1
  B 1 2 512MB no_status 256MB 8-way 1
  B 1 3 512MB no_status 256MB 8-way 1
  A 2 0 512MB no_status 256MB 8-way 0
  A 2 1 512MB no_status 256MB 8-way 0
  A 2 2 512MB no_status 256MB 8-way 0
  A 2 3 512MB no_status 256MB 8-way 0
  B 3 0 512MB no_status 256MB 8-way 1
  B 3 1 512MB no_status 256MB 8-way 1
  B 3 2 512MB no_status 256MB 8-way 1
  B 3 3 512MB no_status 256MB 8-way 1
  C 4 0 512MB no_status 256MB 8-way 2
  C 4 1 512MB no_status 256MB 8-way 2
  C 4 2 512MB no_status 256MB 8-way 2
  C 4 3 512MB no_status 256MB 8-way 2
  D 5 0 512MB no_status 256MB 8-way 3
  D 5 1 512MB no_status 256MB 8-way 3
  D 5 2 512MB no_status 256MB 8-way 3
  D 5 3 512MB no_status 256MB 8-way 3
  C 6 0 512MB no_status 256MB 8-way 2
  C 6 1 512MB no_status 256MB 8-way 2
  C 6 2 512MB no_status 256MB 8-way 2
  C 6 3 512MB no_status 256MB 8-way 2
  D 7 0 512MB no_status 256MB 8-way 3
  D 7 1 512MB no_status 256MB 8-way 3
  D 7 2 512MB no_status 256MB 8-way 3
  D 7 3 512MB no_status 256MB 8-way 3
empty sockets: None
total memory = 16384MB (16GB)

I cant definitively work out whether a) We have 64 * 256mb DIMMS and each of
the above lines is a definition of slot pair...hence the BANK SIZE being 512MB
and the DIMM SIZE being 256MB, or b) whether the whole 256MB thing is
misleading and we do in fact have 32 * 512MB DIMMS ..... (but if so, whats
with the DIMM SIZE 256MB thing??)

I cant open the box to see, and other memory analysis tools I have give a
similar ambiguous output

Does anybody know how I can tell??

Any help would be great
Cheers
Gary
 

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