µCLinux in Stratix GX Development Board

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originally posted by freechip+may 18 2006, 07:47 am--><div class='quotetop'>quote (freechip @ may 18 2006, 07:47 am)</div>

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<!--quotebegin-macio@May 18 2006, 04:25 AM

hi,

i use windows environment. now i have problems with sopc builder and system generating. i have on my board 256mb ddr 333mhz cl2.5, but i think you can buy even faster ddr ram 400mhz.

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Ok, thanks but on the High Speed User Guide, it is mentioned that the frequency of the DDR must be 166Mhz or 200Mhz and Altera told me it is impossible to take higher frequency than 200Mhz.

So I am surprised by your answer.

Tell me what you think about that.

Thanks.

Freechip.

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I meant DDR 400. Its clock frequency is 200MHz but both edges are active. You can check it in "DDR & DDR2 SDRAM Controller Compiler User Guide" on page 3-49 there is hardware testing and there is shown in the table what type of memory was tested on that board.