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The hardware configuration allows users to configure the system to operate as required, in particular when a disk error is detected.

Enable multiple sector reads

This option will place the reading drive into a mode where multiple sectors are read at once. This gives a very large performance benefit over single sector reading.  However, when an error is detected, the system will automatically go to single sector reading.  It will also automatically go to multiple sector reading after a considerable number of sectors have been read without and error.

Never skip sectors

In this mode, while creating a disk image, the program will never try and skip a sector after a sequence of errors has been found.  Forensically this is the secure mode, but realistically, skipping sectors can save a considerable period of time, when creating a disk image, though data may be lost.