Flashing your drive:
Xtreme.bat automatically makes a backup of your dvd drive firmware called orig.bin and renames existing orig.bin nine times.
Plug SATA cable from DVD drive to PC. Power cable drive still connected to Xbox 360.
Ensure Hitachi drive is in mode b either by two wire trick or slax linux boot cd.
Go to Windows.
Run Xtreme.bat batch file from a dos prompt specifing drive letter eg "xtreme.bat g".
Pause has been added after each flash, just press any key to continue.
All done!.
Run Restore.bat to revert to original firmware eg "restore.bat g".