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Altera_Forum
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15 years ago

DDR3 Mirroring

Hi - I am trying to demystify the "mirroring" setting in the DDR3 controller. I am using a stratix iv device to implenet a Dual Rank 4GB by 4 RDIMM from Hynix. One of the parameters I have not been a...
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Altera_Forum
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15 years ago

kguitarguy is correct. Mirroring is a JEDEC specification feature to allow for easier layout of dual rank DIMMs and improved signal integrity. The manufacturer of the DIMM should state on the datasheet whether or not this layout has been used.