SEAGATE TECHNOLOGY, INC.
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                            (C)opyright 1991



ST-213 ST412 MFM

                                                          /�4�3�2�1�\
                                                          � O O O O � Power
              o o o o o o o o                             �����������
  �Data Cable o o o o o o o o  �Controller Cable    1       5 G G 12
 ��������� �� � � � � � � � � �������������������� ���   ������������
              � � � � � � � � �������������1
              � � � � � � � � ��Terminator��
              � � � � � � � �
Drive Select->1 2 3 4 � � � � Radial
                � � � � � ��� Reserved
                � ��� � ����� Write Fault
                �  �  ������� Factory Test
                �  ���������� Never Used (Drive Select 3 and 4)
                � If twisted cable, use Drive Select 2

                              ST - 213

       UNFORMATTED CAPACITY (MB) ________________12.8
       FORMATTED CAPACITY (17 SECTORS) (MB) _____10.7
       ACTUATOR TYPE ____________________________STEPPER
       TRACKS ___________________________________1,230
       CYLINDERS ________________________________615
       HEADS ____________________________________2
       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) ____________________588
       BPI (BITS PER INCH) ______________________9,827
       AVERAGE ACCESS (ms) ______________________65
       SINGLE TRACK SEEK (ms) ___________________20
       MTBF (power-on hours) ____________________20,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.2
                           +12V TYPICAL (amps) __0.9
                           +5V TYPICAL (amps) ___0.8
                           TYPICAL (watts) ______14.8
                           MAXIMUM (watts) ______30.4
       BUFFERED STEP PULSE RATE (micro sec) _____5-200
       WRITE PRECOMP (cyl) ______________________300
       REDUCED WRITE CURRENT (cyl) ______________N/A (616)
       LANDING ZONE (cyl)________________________670
       IBM AT DRIVE TYPE ________________________N/A

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