Apple Elite Series Computer Drive User Manual


 
ELITE SERIES USER MANUAL SPECIFICATIONS
Capacity 326K Bytes
Track to Track Access Time 5ms
Maximum Access Time 210ms
Average Access Time 84ms
Number of Heads 2
Number of Cylinders 40
Number of Tracks 80
Number of Sectors/Track 16
Track Density 48 TPI
Rotational Speed 295 RPM
Recording Frequency 250 KHZ
Recording Density
Inside Track Maximums 5876 FCI
4700 BPI
Weight 5 lbs 4 oz
Reliability
MTBF 9200 Hours
MTTR .5 Hours
Design Life 5 Years
Soft Error Rate 1 in l0e+09 Bits
Hard Error Rate 1 in 10e+12 Bits
Seek Error Rate 1 in l0e+06 Steps
Media ANSI Std. 5.25 Disk
Interface Disk II Compatible
Average Latency l00ms
Motor Start Time 0.5s
Fig. 6-3: Elite Two Characteristics
Page 6-4