Specifications
      Show Part Numbers

Feature Description
Electrical
Power consumption Standby 0.04 W (typical)
Steady 1.6 W (typical)
Functional
  High Density
2.0-MB Mode		 High Density
1.6-MB Mode		 Normal Density
1.0-MB Mode
Unformatted recording capacity 2.00/1.00 MB 1.67/0.83 MB 1.00/0.50 MB
Formatted recording capacity 1,440 KB (512-byte, 18-sector)
720 KB (256-byte, 18-sector)		 1,280 KB (1,024-byte, 8-sector)
640-KB (512-Byte, 8-Sector)		 640 KB (256-byte, 16-sector)
320 KB (128-byte, 16-sector)(typical)
Data transfer rate (MFM/FM)
(inner most track)		 500/250 Kbps 500/250 Kbps 250/125 Kbps
Disk speed 300 rpm 360 rpm 300 rpm
Number of tracks 160 (80 tracks × 2 sides) 154 (77 tracks × 2 sides) 160 (80 tracks × 2 sides)
General
Seek time (track to track) 3 ms
Head setting time 15 ms
Tracks density 5.33 tpmm (135 TPI)
Recording mode MFM/FM
Start time 500 ms
Media - high density mode 3.5-inch double sided high-density disks (2HD)
Media - normal density mode 3.5-inch double sided double density disks (2DD)
Dimensions (H × W × D) 25.4 × 101.6 × 139.5 mm (without bezel)
25.4 × 101.6 × 143.5 mm (with bezel)
Weight 330 g
Operating temperature 5 to 52° C
Non-operating temperature –40 to 65° C
Operating humidity 20 to 80%
Non-operating humidity 10 to 90%
Reliability
MTTF 30,000 POH
Soft error rate (recoverable) 10 -9 time/bit
Hard error rate (unrecoverable) 10 -12 Time/bit