Article ID: 000081812 Content Type: Troubleshooting Last Reviewed: 09/11/2012

Does the DDR3 High Performance controller II support single-rank, dual-rank, and dual-slot Registered DIMM for Stratix III and Stratix IV devices?

Environment

BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

DDR3 High Performance (HP) controller II supports single-rank, dual-rank and dual-slot Registered DIMM for Stratix® III and Stratix IV devices. 

To support single-rank, you need to set "Total Memory chip selects", "Chip select per DIMM" and "Chip select per rank" parameters to 2.

To support dual-rank, you need to set "Total Memory chip selects" and "Chip select per DIMM" to 2. And set "Chip select per rank" parameters to 1.

To support dual-slot, you need to set "Total Memory chip selects" to 4 and set "Chip select per DIMM" and "Chip select per rank" parameters to 2.

Other combinations of these parameters will issue following error message in DDR3 HP controller GUI.

"Error: DDR3 Registered DIMMs only support single-rank, dual-rank, or dual-slot!"

Related Products

This article applies to 5 products

Stratix® IV FPGAs
Stratix® III FPGAs
Stratix® IV GX FPGA
Stratix® IV GT FPGA
Stratix® IV E FPGA

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