dahack 1st_read.bin 2nd msinfo number
cdda 1st_read.bin
If u still got 1.8gb files,try type in the patch code in 1st_read.bin manually
You can get the patch code table from http://luna.spaceports.com/~selfboot/cdmage/ipbin/dclinux/Romloader/Makenx/cdda.htm