<br><font size=2 face="sans-serif">Thanks to you and Wolfgang to answer.</font>
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<br><font size=2 face="sans-serif">I try a memory test with rotate patern on my SDRAM with my logic analyser and no problem happen.</font>
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<br><font size=2 face="sans-serif">But I will try some different initialisation of my SDRAM.</font>
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<br><font size=2><tt>How can I disable instruction and data cache for the SDRAM to test ?</tt></font>
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<br><font size=2><tt>thanks</tt></font>
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<br><font size=2><tt>Cedric</tt></font>