Seagate ST252 HARD DISK DRIVE REPAIR, Seagate ST252 HARD DISK DRIVE SPECIFICATIONS,
Seagate ST252 hard disk drive sales, Seagate ST252 hard disk drive repair, Seagate ST252 hard disk drive specifications, 
Seagate ST252 Hard Disk Drive Repair, Seagate ST252 Hard Disk Drive Specifications, Seagate ST252 Seagate ST252
Specifications



seagate st252 picture.
seagate st252 picture.
seagate st252 picture.

Seagate ST252 Specifications
Model Capacity Size Height Bus Type Int.Type
ST252 43MB 5.25" HHT MFM ST412

Legacy   :    ST252
Legacy

Capacity: 
Speed: 
Average Read Time: 
 Cylinders: 
Heads: 
Sectors: 

42.8 MB
3600 rpm
40 ms
820
6
17



ST-252 ST412 MFM
(same as ST-251 with Terminator that cannot be removed, therfore
drive must be installed at the end of the daisychain cable.)

                                                          /�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��- cannot be removed
              � � � � � � � �
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 - 252

       UNFORMATTED CAPACITY (MB) ________________51.2
       FORMATTED CAPACITY (17 SECTORS) (MB) _____42.8
       ACTUATOR TYPE ____________________________STEPPER
       TRACKS ___________________________________4,920
       CYLINDERS ________________________________820
       HEADS ____________________________________6
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________MFM
       TRANSFER RATE (mbits/sec) ________________5.0
       SPINDLE SPEED (RPM) ______________________3,600
       INTERFACE ________________________________ST412
       TPI (TRACKS PER INCH) ____________________777
       BPI (BITS PER INCH) ______________________9,935
       AVERAGE ACCESS (ms) ______________________40/28*
       SINGLE TRACK SEEK (ms) ___________________8
       MTBF (power-on hours) ____________________100,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0/2.5*
                           +12V TYPICAL (amps) __0.5
                           +5V TYPICAL (amps) ___1.0/1.2*
                           TYPICAL (watts) ______11/12*
                           MAXIMUM (watts) ______29/36*
       BUFFERED STEP PULSE RATE (micro sec) _____3-200
       WRITE PRECOMP (cyl) ______________________N/A (821)
       REDUCED WRITE CURRENT (cyl) ______________N/A (821)
       LANDING ZONE (cyl)________________________AUTO PARK
       IBM AT DRIVE TYPE ________________________44, 40, or 3**

       *ST251-0/ST251-1
       **MAY REQUIRE PARTITIONING SOFTWARE

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

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