Hi,
Some custom boards have the DDR3 issue. After initialization, the written data are verified. The following table shows those worst cases.
Image may be NSFW.
Clik here to view.
For the more optimum leveling, after the Full Automatic Leveling, the Incremental Leveling with the Read DQS Gate Training and the Read Data Eye Training should be used. But this leveling mode may fail. Which of the leveling modes should be used?
Please see DDR3Init() in the attached source file for the initialization sequence. Does it have any mistake?
(Please visit the site to view this file)
Best regards,
Daisuke
