Seagate ST250R HARD DISK DRIVE REPAIR, Seagate ST250R HARD DISK DRIVE SPECIFICATIONS,
Seagate ST250R hard disk drive sales, Seagate ST250R hard disk drive repair, Seagate ST250R hard disk drive specifications, 
Seagate ST250R Hard Disk Drive Repair, Seagate ST250R Hard Disk Drive Specifications, Seagate ST250R Seagate ST250R
Specifications



seagate st250r picture.
seagate st250r picture.
seagate st250r picture.

Seagate ST250R Specifications
Model Capacity Size Height Bus Type Int.Type
ST250R 42MB 5.25" HHT RLL ST412

Legacy   :    ST250R
Legacy

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

42.3 MB
3000 rpm
70 ms
667
4
31
ST-250R ST412 RLL

                                                          /�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 - 250R

       UNFORMATTED CAPACITY (MB) ________________50.0
       FORMATTED CAPACITY (31 SECTORS) (MB) _____42.3
       ACTUATOR TYPE ____________________________STEPPER
       TRACKS ___________________________________2,668
       CYLINDERS ________________________________667
       HEADS ____________________________________4
       DISCS ____________________________________2
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbits/sec) ________________7.5
       SPINDLE SPEED (RPM) ______________________3,000
       INTERFACE ________________________________ST412
       TPI (TRACKS PER INCH) ____________________588
       BPI (BITS PER INCH) ______________________18,897
       AVERAGE ACCESS (ms) ______________________70
       SINGLE TRACK SEEK (ms) ___________________20
       MTBF (power-on hours) ____________________100,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.4
                           +12V TYPICAL (amps) __0.9
                           +5V TYPICAL (amps) ___0.8
                           TYPICAL (watts) ______14.8
                           MAXIMUM (watts) ______33
       BUFFERED STEP PULSE RATE (micro sec) _____5-200
       WRITE PRECOMP (cyl) ______________________N/A (668)
       REDUCED WRITE CURRENT (cyl) ______________N/A (668)
       LANDING ZONE (cyl)________________________670
       IBM AT DRIVE TYPE ________________________N/A*

       *MUST BE USED WITH THE ST11R CONTROLLER OR 16-BIT
        CONTROLLER; MAY REQUIRE PARTITIONING SOFTWARE

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

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