Description
This problem occurs in the Quartus® II software version 10.0 because the Arria® II GX device library is missing the "Differential 1.5-V SSTL Class I" I/O standard for clock pins.
A patch is available to fix this problem for the Quartus II software version 10.0. Download and install Patch 0.45 from the appropriate link below.
- Download the Quartus II software version 10.0 Patch 0.45 for Windows (.exe)
- Download the Quartus II software version 10.0 Patch 0.45 for Linux (.tar)
- Download the Readme for the Quartus II software version 10.0 Patch 0.45 (.txt)
This problem is fixed beginning with the Quartus II software version 10.1.