Magneto-optical drive
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A magneto-optical drive is a kind of optical disc drive capable of writing and rewriting data upon a magneto-optical disc. 130 mm and 90 mm discs are the most common sizes.
A Magneto-optical disc surface has sector partition rectangles.
Visible sectors partition lines on a 130 mm 652 MB magneto-optical disk. (1024 user byte, 17 sectors per track).
A 130 mm 2.6 GB magneto-optical disc
A 230 MB Fujitsu 90 mm magneto-optical disc.
Hi-MD
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Hi-MD is a magneto-optical disc-based data storage format. It was a further development of the MiniDisc. With its release in late 2004, came the ability to use newly developed, high-capacity 1 gigabyt
Magneto-optical drive
…Peripherals, a company founded by Jim Burke. At the Consumer Electronics Show in January 2004, Sony revealed a 1 gigabyte capacity MiniDisc called Hi-MD. Its recorders can also double the capacity of regular MiniDiscs with special formatting that renders the disc incompatible with other recorders. As…
Front view
Rear view
Hi-MD Walkman MZ-NH1 with blank Hi-MD
Sony MZ-RH1, the last Hi-MD Walkman by Sony