Critical Issue
Description
This problem affects DDR2, DDR3, QDR II, RLDRAM II and RLDRAM 3 products.
External memory interfaces using pins in banks 7E or 8E of the following Stratix V devices will not function correctly in hardware:
5SGXBB
5SGXB9
5SGXAB
5SGXA9
5SEEB
5SEE9
The cause of this problem is that connections from levelling delay chains to I/O banks are swapped for banks 7E and 8E in the software model for the affected devices.
Resolution
The workaround for this issue is to install the latest patch for your version.
This issue will be fixed in a future version.