There is a single patch available to address known software issues for Stratix® V and Arria® V devices in the Quartus® II software version 11.1 SP1. For the latest fixes for Stratix V and Arria V devices, upgrade to the Quartus II software version 11.1 SP2, available from the Download Center, and install the latest device patch, available from the related solution below.
Download and install the Stratix V/Arria V device patch 1.dp11 from the appropriate link below. You must install the Quartus II software version 11.1 SP1 before installing this patch. Patch 1.dp11 includes all the fixes from previously-released patches 1.dp2, 1.dp3, 1.dp5 and 1.dp8. You can install patch 1.dp11 over previous patches, but you do not need to install the earlier device patches before installing patch 1.dp11.