A patch is required to generate the correct bitstream for programming of the long lines in the XC3S1200E and XC3S1600E. The bitstream generated before installing the patch needs to be re-generated.
This patch can be obtained at:
This patch is intended to be used with 7.1.04i, and will be included in 8.1i.
This is the same patch mentioned in (Xilinx Answer 22037). Therefore, new speedfiles (V1.16) will also be installed with this patch.