features & specs. FD-235HF series, 3.5" floppy disk drive features supports 720kb and 1.44mb floppy formats. utilizes rugged die-cast frame. easy to install into any available 3.5" drive bay. retail kit also available. kit includes drive, 5.25" installation hardware & manual. specifications recording method: fm or mfm media: high density (2hd) or normal density (2dd) 3.5" micro floppy disk motor starting time: 4 80msec.or less average latency time: 100msec. (300rpm) index: 1/revolution detection interval: 200msec. +or- 1.5%(300rpm) mttf: 30,000 poh or more mttr: when failure, the fdd should be repla ced in unit of the drive. error rate: soft read error:1/10 to the 9th bits or less hard read error:1/10 to the 12th bits or less seek error:1/10 to the 6th seeks or less safety standards: appro ved by ul, csa, tuv ambient temperature: operating: 4~51.7 deg. c (39~125 deg. f) storage: -22~60 deg. c (-8~140 deg. f) transportation: -40~65 deg. c (-40~149 deg. f) temperature gradient: operating: 20 deg. c (68 deg. f)/hour or less(non-condensing) storage and transportation:30 deg. c (86 deg. f)/hour or less (non-condensing)
relative humidity: operating: 20~80% (non-condensing) [maximum wet-bulb temperature of 29.4 deg. c (85 degrees f)] storage: 5~90% (non-condensing) [maximum wet-bulb temperature of 40 degrees c (104 deg. f)] tra nsportation: 5~95% (non-condensing) [maximum wet-bulb temperature of 45 degrees c (113 deg. f)] vibration: operating: 1.5g or less (10~100hz, 1oct/min.) 1.0g or less (100~200hz, 1oct/min.) 0.5g or less (200~600hz, 1oct/min.) transportation: 2.0g or less (10~100hz, 1oct/min.) shock: operating: 5g or less (hal f-sine wave, 11msec.) transportation: 70g or less (half-sine wave, 11msec.) power requirements: dc + 5v +or- 10% (dc 12v is not necessary) permissible ripple: less than 100m vp-p power comsumption: stand-by:15mw typical read/write: 1.5w typical dimensions: 101.6w x 25.4h x145d (mm) (4" x 1" x 5.71") weight: 345g (0.76lbs) ty pical copyright ? 1996 by teac america inc.
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