Skude,
OS4.0 is full blown OS, that means if you have all the files copy onto your PC you can format the drive in FAT32 then format in the Audya and pu all the OS4.0 back on, this is the only way to get rid of INT PHASE ERROR, have you rum the ROM test again today, try it and come back.
Tony
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Tyros 4/Pair SR 350/ PC with a i8 intel chip, XENYX 802, Ford Focus 2 litre/Tascam DR07/Brother printer/Designjet 500/ our Doris/5 Grandchildren/ white boxers short Kymart shipped over and Typhoo Tea Earl Grey