*Note that only two Quad Rank DIMMs may be installed per channel. This is due to the limitation of only having 8 total ranks per channel.
•Single Rank (SR): one row of DRAM comprising 64-bits of data.
•Dual Rank (DR): two rows of DRAM comprising 64-bits of data each.
•Quad Rank (QR): four rows of DRAM comprising 64-bits of data each.
Figure 3: 710 Series Servers memory illustration (not a technical schematic of motherboard)
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Figure 4: 610 Series Servers memory illustration (not a technical schematic of motherboard)
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Balanced Memory Configuration
Any DIMM configuration that does not adhere to the guidance below is “unbalanced” and generally not recommended. Unbalanced configurations can potentially generate BIOS warnings or error messages. The only exceptions to this statement are a few low DIMM count offerings and specific configurations for RAS
