40 MB Internal Hard Disk (250-4057) Specifications Faxback Doc. # 5074 MANUFACTURER: Seagate FORMATTED CAPACITY MODEL: ST-251 MEGABYTES/DRIVE: 42.8 HEADS: 6 BYTES/TRACK: 8704 CYLINDERS: 820 BYTES/SECTOR: 512 DISKS: 3 TRACKS: 4920 DIMENSIONS: 5.25 half Height TRANSFER RATE: 5.0 MBits/sec ROTATING SPEED: 3600 AVERAGE LATENCY: 8.33 msec ENCODING METHOD: MFM TRACK TO TRACK SEEK TIME: 8 msec MTBF: 20,000 POH AVERAGE ACCESS TIME: 38 msec (smm 07/29/93)