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



ST-124 ST412 MFM

                                                     /ÄÄÄ¿
                                                     ³ O ³12
                                                     ³ O ³G
                                                     ³ O ³G
                                                     ³ O ³5
      ÚData Cable     ÚController Cable    1         \ÄÄÄÙ
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                  o o o o o o ÚÄÄÄÄÄÄÄÄÄÄÄÄ¿
                  o o o o o o ÀÄÄÂÄÄÄÄÄÄÄÄÄÙ
                  ³ ³ 4 3 2 1    À Resistor Termination Pack located
                  ³ ³ ÄÄÄÂÄÄÄ      behind options header (fixed)
                  ³ ³    ³
                  ³ ³    ÀÄÄÄÄ Drive Selects
                  ³ ÀÄÄÄÄÄÄÄÄÄ Factory Test
                  ÀÄÄÄÄÄÄÄÄÄÄÄ Radial

                              ST - 124

       UNFORMATTED CAPACITY (MB) ________________25.6
       FORMATTED CAPACITY (17 SECTORS) (MB) _____21.4
       ACTUATOR TYPE ____________________________STEPPER
       TRACKS ___________________________________2,460
       CYLINDERS ________________________________615
       HEADS ____________________________________4
       DISCS ____________________________________2
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________MFM
       TRANSFER RATE (mbits/sec) ________________5.0
       SPINDLE SPEED (RPM) ______________________3,600
       AVERAGE LATENCY (mSEC) ___________________8.3
       INTERFACE ________________________________ST412
       SECTORS PER DRIVE ________________________41,820
       TPI (TRACKS PER INCH) ____________________824
       BPI (BITS PER INCH) ______________________14,953
       AVERAGE ACCESS (ms) ______________________40
       SINGLE TRACK SEEK (ms) ___________________12
       MAX FULL SEEK (ms) _______________________95
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.4
                           +12V TYPICAL (amps) __0.35
                           +5V TYPICAL (amps) ___0.8
                           TYPICAL (watts) ______8
                           MAXIMUM (watts) ______33
       BUFFERED STEP PULSE RATE (micro sec) _____3-200
       WRITE PRECOMP (cyl) ______________________N/A (616)
       REDUCED WRITE CURRENT (cyl) ______________N/A (616)
       LANDING ZONE (cyl)________________________670
       IBM AT DRIVE TYPE ________________________6

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