Table of Contents
Advertisement
Diskette Drive
NEC Diskette Drive FD1231H-013, 3 1/2-inch, 1.44 MB
T Recording capacity
— High density mode:
Unformatted:
Formatted:
— Normal density mode:
Unformatted:
Formatted:
T Data transfer rate
— High density mode: 500/250 Kbit/sec
— Normal density mode: 250/125 Kbit/sec
T Disk speed — 300 rpm
T Number of tracks — 160 (80 tracks x 2 sides)
T Maximum bit density
— High density mode: 17434/8717 BPI
— Normal density mode: 8717/4359 BPI
T Seek time — 3 ms
T Tracks per inch — 135 TPI
T Recording mode — MFM/FM
T Temperature, operating — 4° to 46°
T Relative humidity — 20% to 80%
T Dimensions — 25.4 mm x 101.6 mm x 146 mm
T Weight — 430 grams (typical).
B-10 System Specifications
2.00/1.00 MB
1440 KB (512B 18 Sec)
720 KB (256B 18 Sec)
1.00/0.50 MB
640 KB (256B 16 Sec)
20 KB (128B 16 Sec)
Advertisement
Table of Contents
