Track $06 is used for nibble count protection. Use a bit copy program and ignore read errors. Then with a disk editor look at: track $01 sector $06 byte $08 change $03 to $62 track $0E sector $07 byte $75 change $22 $01 $21 to $EA $EA $EA N.B. this is more or less the parameter PHM PEGASUS (ALT 1) of Copy II+ 9.1