This zip file includes following two files which patches the readback
on 4000E devices with new mask.  It is for DOS only, the Windows version
will be released with M1.0 software.

xchecker.exe    348419 11/6/96          The xchecker program that fixes 
                                        readback with XC4000E with new mask.
xcksc.sys       8980   12/9/96          This file need to be in XACT\DATA
                                        directory to work in conjunction
                                        with xchecker program.

Installation:
copy this over the xchecker program in XACT directory. Put xcksc.sys in 
XACT\DATA directory.

Please contact Xilinx Technical Support for further questions
hotline:        1-800-255-7778(North America)
E-Mail:         hotline@xilinx.com(USA, Xilinx headquaters)

Please consult http://www.xilinx.com/ for technical assistance outside USA



