Problem to use SDR SDRAM with stratix IV and stratix V FPGA boards

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Problem to use SDR SDRAM with stratix IV and stratix V FPGA boards

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We are working in a project that needs to use a SDR SDRAM. We are using 3 FPGA boards Clyclone DE2, stratix IV, and stratix V.

The DE2 board does not support the complete project and even can run in the desired speed.

We could not find daughter boards with SDR-SDRAM to connect to the stratixs boards.

Can we connect the DE2 pin with stratix pins to access the SDRAM? The DE2 will work only as a daughter board with sdr-sdram.

best regards

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