The following is quoted from Wengier at 2003-8-8 0:49:51:
HD-COPY really does have a BUG, so some files in the MS-DOS 7.10 boot image were partially damaged, 。。。
http://newdos.yginfo.net/dosware/mdos71bd.zip
Does the file damage you mentioned mean damage caused when writing to the floppy with HD-COPY, or was the image file itself already damaged?



