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                         SEAGATE TECHNOLOGY, INC.
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 1991



ST-212 ST412 MFM

       UNFORMATTED CAPACITY (MB) ________________12.76
       FORMATTED CAPACITY (17 SECTORS) (MB) _____10.0
       ACTUATOR TYPE ____________________________STEPPER
       TRACKS ___________________________________1,224
       CYLINDERS ________________________________306
       HEADS ____________________________________4
       DISCS ____________________________________1
       MEDIA TYPE _______________________________OXIDE
       RECORDING METHOD _________________________MFM
       TRANSFER RATE (mbits/sec) ________________5.0
       SPINDLE SPEED (RPM) ______________________3,600
       INTERFACE ________________________________ST412
       TPI (TRACKS PER INCH) ____________________550
       BPI (BITS PER INCH) ______________________10,560
       AVERAGE ACCESS (ms) ______________________65
       SINGLE TRACK SEEK (ms) ___________________23
       MTBF (power-on hours) ____________________11,000
       POWER REQUIREMENTS: +12V START-UP (amps) _3.2
                           +12V TYPICAL (amps) __1.0
                           +5V TYPICAL (amps) ___1.0
                           TYPICAL (watts) ______17
                           MAXIMUM (watts) ______44.4
       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 ________________________1

Seagate reserves the right to change, without notice, product 
offerings or specifications. (6/26/90)

A copy of this specification file may be obtained by FTP at
ftp://ftp.seagate.com/techsuppt/mfm/st212.txt.