Weak sector data

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Weak disk data

Some copy protections have what is described as `weak, random or floated' data.

Each time the 'weak' sector is read one or more bytes will change, the value may be random between consecutive reads of the same sector.

Weak data recorded with only modified hardware, so you cannot copy these disks without 'crack' the copy protection.

Only two disk image formats (Extended DSK and UDI 1.1) can store this type of data.