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Altera_Forum
Honored Contributor
Honored Contributor4 GB SODIMM Bandwidth
Hi, How can I calculate the memory-bandwidth offered by a 4GB on-board SO-DIMM when I interface it with a Stratix EP3SL150 on a DE3 Board? Is this organized in 4 banks of 1GB? Can 1 contro...
Altera_ForumHonored Contributor
Honored ContributorBy 'bit width' I mean the number of DQ pins on the SO-DIMM module. All SODIMMs have either 64 or 72 DQ pins. The 72 pin wide modules are generally used with ECC.
The only way to change this would be if you had a different Dev. Board, which might only have a single DDR2 chip and (say) 16 DQ pins. (DM and DQS/DQS# pins don't count as 'DQ pins')
