Answers Database F1.5i NGDBUILD: ERROR:basnu:93 - logical block "<instance_name>" of type "OBUFN_S" is unexpanded Record #5477 Product Family: Software Product Line: FPGA Implementation Product Part: ngdbuild Product Version: 1.5i Problem Title: F1.5i NGDBUILD: ERROR:basnu:93 - logical block "<instance_name>" of type "OBUFN_S" is unexpanded Problem Description: Urgency: Standard General Description: When targetting synthesis for a XC4000XLA in Synopsys, the following error is returned on 1.5i PC installs: ERROR:basnu:93 - logical block "<instance name>" of type "OBUFN_S" is     unexpanded Solution 1: The 1.5i install for the PC is missing a file called xprim.ngl in the $XILINX\XC4000XLA\data directory. The new xprim.ngl file can be found in the following patch: ftp://ftp.xilinx.com/pub/swhelp/synopsys/a15_xsi_xla.tar.gz Copy the xprim.ngl file in the patch to the location $XILINX\XC4000XLA\data directory End of Record #5477 - Last Modified: 04/05/99 14:29

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