PERFORMANCE SPECIFICATIONS Double Density Memory capacity Unformatted Disk (Megabytes) Track (Kilobytes) 1 6.25 Number of: Cylinders sa Head/Cylinder 2 Total Tracks (S0 per side) 160 Transfer Rate (Kilobits/sec) 250 Rotational Latency (milliseconds average) 100 Access Time Track to Track (ms) Average (ms) Motor Starting Time (ms) Settling Time (ms) Head loading Time (ms) 3 94 250 15 50 Encoding Method Index MFM 1 Rotational Speed (rpm) 300 Disk Diameter (inches) 5.250 Track Density (Tracks per inches) 96 2-6