Release 6.2i - ngdbuild G.28Copyright (c) 1995-2004 Xilinx, Inc.  All rights reserved.Command Line: ngdbuild -dd _ngo -uc pld01a.ucf -p xbr pld01a.ngc pld01a.ngd Reading NGO file "D:/mbj/XSBase270-Core/emdoor_Pld01A_old/pld01a.ngc" ...Reading component libraries for design expansion...Annotating constraints to design from file "pld01a.ucf" ...Checking timing specifications ...Checking expanded design ...WARNING:NgdBuild:837 - pins 'I' and 'O' on instance 'CF_DETECT1' of type 'INV'
   are both connected to the same signal 'CF_CD1n_IBUF', which forms a ring
   buffer.NGDBUILD Design Results Summary:  Number of errors:     0  Number of warnings:   1Total memory usage is 42152 kilobytesWriting NGD file "pld01a.ngd" ...Writing NGDBUILD log file "pld01a.bld"...