Dram Dimm Installation Order - Lenovo ThinkSystem SR950 Setup Manual

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Additional requirements for memory sparing

The following rules apply for memory sparing:

• As with independent memory mode, all memory channels must have at least two ranks.

• Every populated memory channel must have at least two ranks of DIMMs.

• If a memory channel has only single rank DIMMs, populate both single rank DIMMs on one channel.

• Single DIMM-per-channel systems do not support single-rank DIMMs in sparing mode.

DRAM DIMM installation order

This section contains information of how to install DRAM DIMMs properly.

ThinkSystem SR950 Setup Guide