Hitachi 902 - Fdd (Yd-702 D-6539 D-021051); Specifications

15 - 7
15.3 FDD (YD-702D-6539D-021051)
15.3.1 Specifications
Item 2.0 MB Mode
Recording capacity
•When unformatted
•When formatted
256 bytes/Sector
512 bytes/Sector
1024 bytes/Sector
2.0 Mbytes
Capacity: Number of
sectors
1474.6
kbytes : 18
Recording density 17434 bits/inch
Track density 135 tracks/inch
Total number of
cylinders
80 cylinders
Total number of tracks 160 tracks
Recording method MFM
Recording medium 2HD
Rotational speed 300 r/min
Data transfer speed 500 kbits/s
Mean rotation wait time 100 ms
Access time
•Mean access time
•Track-to-track
transition time
•Settling time
•Turnaround time
94 ms
3 ms
15 ms
4 ms
Motor start time (max.) 0.5 s