Error (175001) : Could not place pin

Description

You will receive this error message if you place 3.3V input signals into an I/O bank that is powered by 2.5V when targeting a Stratix® V device in the Quartus® II software version 12.0 and earlier.

Resolution

Download the Quartus II software patch 1.10 for version 11.1 SP1.

• Quartus II 11.1 SP1 patch 1.10 for Windows
• Quartus II 11.1 SP1 patch 1.10 for Linux
• Quartus II 11.1 SP1 patch 1.10 readMe file

This is fixed in the Quartus II software version 12.1.