                              ST - 406

       UNFORMATTED CAPACITY (MB) ________________6.38
       FORMATTED CAPACITY (32 SECTORS) (MB) _____5.0
       ACTUATOR TYPE ____________________________STEPPER
       TRACKS ___________________________________612
       CYLINDERS ________________________________306
       HEADS ____________________________________2
       DISCS ____________________________________1
       MEDIA TYPE _______________________________OXIDE
       RECORDING METHOD _________________________MFM
       TRANSFER RATE (mbits/sec) ________________5.0
       INTERFACE ________________________________ST412
       TPI (TRACKS PER INCH) ____________________345
       BPI (BITS PER INCH) ______________________9,074
       AVERAGE ACCESS (ms) ______________________85
       SINGLE TRACK SEEK (ms) ___________________< 16.67
       MTBF (power-on hours) ____________________11,000
       POWER REQUIREMENTS: +12V START-UP (amps) _3.5
                           +12V TYPICAL (amps) __1.6
                           +5V TYPICAL (amps) ___1.1
                           TYPICAL (watts) ______24.7
                           MAXIMUM (watts) ______50.5
       BUFFERED STEP PULSE RATE (micro sec) _____5-500
       WRITE PRECOMP (cyl) ______________________128
       REDUCED WRITE CURRENT (cyl) ______________N/A (307)
       LANDING ZONE (cyl)________________________319
       IBM AT DRIVE TYPE ________________________N/A
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