Digital Instrumentation Recorder

Digital Instrumentation Recorder is a magnetic tape data storage format developed by Sony. It uses a ¾" wide tape, in a cassette with two reels, which is written and read with a helical scan process.

Generations

D1

Up to 64 MB/s data transfer speed
Up to 96 GB data capacity
ANSI ID-1 standard

External links

Entry in Computer Desktop Encyclopedia

Magnetic tape data storage formats

Linear

Wide (19 - 25.4 mm)	TX-2 Tape System (1958) IBM 7340 (1961) LINCtape (1962) DECtape (1963)

Half inch (12.7 mm)	UNISERVO (1951) IBM 7 track (1952) 9 track (1964) IBM 3480 (1984) DLT (1984) IBM 3590 (1995) T9840 (1998) T9940 (2000) LTO Ultrium (2000) IBM 3592 (2003) T10000 (2006)

Eight millimeter (8 mm)	Travan (1995) IBM 3570 MP (1997) ADR (1999)

Quarter inch (6.35 mm)	QIC (1972) SLR (1986) Ditto (1992)

"Eighth" (0.15) inch (3.81 mm)	KC standard, Compact Cassette (1975) HP DC100 (1976) Tarbell Cassette Interface (1976) Commodore Datasette (1977) DECtape II (1979)

Stringy (1.58–1.9 mm)	Exatron Stringy Floppy (1979) ZX Microdrive (1983) Rotronics Wafadrive (1984)

Helical

Three quarter inch (19 mm)	Sony DIR (19xx) Ampex DST (1992)

Half inch (12.7 mm)	Redwood SD-3 (1995) DTF (19xx) SAIT (2003)

Eight millimeter (8 mm)	Data8 (1987) Mammoth (1994) AIT (1996) VXA (1999)

Four millimeter (3.81 mm)	DDS/DAT (1989)

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