Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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Servers: Sun Blade X6275
Sun Fire X2270

Options 4670A / 4672A / 4673A / 4674A
Options 8335A / 8336A / 8337A / 8338A

371-4426 371-4428 371-4429 371-4427
DDR3-1066/PC3-8500
1-Rank/1Gbit SDRAM
2GB Registered DIMM
2GB Option 4670A/8335A
without Heat Spreader
DDR3-1333/PC3-10600
1-Rank/1Gbit SDRAM
2GB Registered DIMM
2GB Option 4673A/8337A
without Heat Spreader
DDR3-1333/PC3-10600
2-Rank/1Gbit SDRAM
4GB Registered DIMM
4GB Option 4674A/8338A
with Heat Spreader
DDR3-1066/PC3-8500
2-Rank/2Gbit SDRAM
8GB Registered DIMM
8GB Option 4672A/8336A
with Heat Spreader

Sun Blade X6275 Codename: Vayu
Sun Fire X2270 Codename: Wasp

Sun Blade X6275 Notes

  1. The minimum configuration is three DIMMs per CPU in slots D1, D3, and D5.
  2. Memory speed is dependent on the number of DIMMs and the CPU Front Side Bus.
  3. Maximum speed is 1333MHz when 1333MHz DIMMs are installed in D1, D3, and D5.
  4. Maximum speed is 1066MHz when any speed DIMMs are installed in all slots.
  5. Node 0 and Node 1 require the same memory configuration.

Sun Fire X2270 Notes

  1. Do not install DIMMs in slots next to an empty CPU socket.
  2. Install the same number of identical DIMMs across all CPU sockets.
  3. Install Blue socket DIMMs D5/D3/D1 then install Black socket DIMMs D4/D2/D0.
  4. Use of the same DIMM size and speed is recommended for maximum performance.

Note

Incorrect SPD programming of 2GB Micron DIMM 371-4428-01 prevents correct
timing when two DIMMs per channel are installed. This does not affect Hynix
or Qimonda DIMMs. Micron SPD programming is corrected in 371-4428-02.

References

  1. Sun Blade X6275 Server Module Service Manual, 820-6849.
  2. Sun Blade X6275 Server Module Product Notes, 820-6853.
  3. Sun Blade X6275 Server Module Installation Guide, 820-6977.
  4. Sun Fire X2270 Installation Guide, 820-5604.
  5. Sun Fire X2270 Service Manual, 820-5607.
  6. Sun Fire X2270 Product Notes, 820-5608.

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