HP DC100

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The DC100 tape format and drive was developed by Hewlett-Packard as a data storage mechanism for the HP9825 programmable calculator.

This format was used in the HP series 80 calculator/computer systems of the late 1970s and early 1980s.

Generation	DC100	DC200
Release date	1976 (?)
Native capacity (kB)	210
Max speed (B/s)	650
Tape length	140 ft (42.7 m)
Tape width	0.150 inch (3.81 mm)
Data density	1600 bpi
Tracks	2
Coercivity (oersted)	310

[edit] External links

• The Story of DC100

v • d • e Magnetic tape data storage formats Three Quarter Inch (19 mm) Linear LINCtape (1962) • DECtape (1963) Helical Sony DIR (19xx) • Ampex DST (1992) Half Inch (12.65 mm) Linear UNISERVO (1951) • IBM 7 track (1952) • 9 track (1964) • IBM 3480 (1984) • DLT (1984) • IBM 3590 (1995) • T9840 (1998) • IBM 3592 (?) • T9940 (2000) • LTO Ultrium (2000) • T10000 (2006) Helical Redwood SD-3 (1995) • DTF (19xx) • SAIT (2003) Eight Millimeter (8 mm) Linear Travan (1995) • IBM 3570 MP (1997) • ADR (1999) Helical Data8 (1987) • Mammoth (1994) • AIT (1996) • VXA (1999) Quarter Inch (6.35 mm) Linear QIC (1972) • SLR (1986) • Ditto (1992) Eighth Inch (3.81 mm) Linear KC Standard, Compact Cassette (1975) • HP DC100 (1976) • Commodore Datassette (1977) • DECtapeII (1979) Helical DDS/DAT (1989) Stringy (1.58 - 1.9 mm) Linear Exatron Stringy Floppy (1979) • ZX Microdrive (1983) • Rotronics Wafadrive (1984)