Answers Database


2.1 Virtex PAR - Guided Par can't match components using guide file created in 1.5i release or earlier.


Record #5779

Product Family: Software

Product Line: FPGA Implementation

Product Part: par

Product Version: 1.5i

Problem Title:

2.1 Virtex PAR - Guided Par can't match components using guide file created in 1.5i release or earlier.



Problem Description:
The Virtex mapper has been re-written between versions 1.5i and 2.1. The
mapping results are threfore so different between the two mappers that 2.1 PAR will not be able to successfully use a guide design that was mapped in any previous release.


Solution 1:

Going forward, 2.1 mapped designs can be successfully used as guide designs
for later design revisions.




End of Record #5779 - Last Modified: 06/26/99 13:49

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