Seagate ST1239A Swift HARD DISK DRIVE REPAIR, Seagate ST1239A Swift HARD DISK DRIVE SPECIFICATIONS,
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Seagate ST1239A Swift Hard Disk Drive Repair, Seagate ST1239A Swift Hard Disk Drive Specifications, Seagate ST1239A Swift Seagate ST1239A
Specifications



seagate st1239a picture.
seagate st1239a picture.
seagate st1239a picture.

Seagate ST1239A Swift Specifications
Model Capacity Size Height Bus Type Int.Type
ST1239A Swift 211MB 3.5" HHT IDE AT

Swift AT   :    ST1239A
Swift AT

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

211.0 MB
3600 rpm
15 ms
954
12
36
ST-1239A (94354-239 or 230) Swift AT (IDE)
     ����\
     � 0 �  5
     � 0 �  G                                          �Ŀ  Some have
     � 0 �  G       AT (IDE) Cable                     � �� these pins
     � 0 � 12  1�........................�   o o o o o(o o) 6 is OFF
     ����/       ........................    o o o o o(o o) 7 is ON
    �������P�W�A�������������������������������������������
                                             1 2 3 4 5 6 7
         ON                 OFF              � � � � � ���
    1   Slave              Master          ��� � � � �  �
    2   5 Heads            7/9 Heads       ����� � � �  �
    3   Slave installed    Slave not inst. ������� � �  �
    4   7 byte ECC         4 byte ECC      ��������� �  �
    5   Factory test       Normal Oper.    �����������  �
    6/7 Some PWA's have these pins, factory use  ��������



SWIFT Shrouded AT Interface Connector Only
     ����\
     � 0 �  5   �� If the AT Connector has a plastic shroud, note pin-1
     � 0 �  G   �        � Pin-20 missing for keying purposes
     � 0 �  G   �        �
     � 0 � 12  ��������������������͸     o o o . o o
     ����/     �:::::::::�:::::::::1�     o o o . o o   (Note: 8-pin jumper
     ����P�W�A����������������������������������������    block on side of
                                          1 2 3 4 5 6     drive for factory
      ON                 OFF              � � � � � �     use only.)
 1   Slave              Master          ��� � � � � �
 2   Slave installed    Slave not inst. ����� � � � �
 3   SPSYNC (spindle sync) on Pin-28 ���������� � � �
 4   (pins removed) ����������������������������� � �
 5   Spare ���������������������������������������� �
 6   SPSYNC External Connection ���������������������



                             ST-1239A
                          94354-239 or 230  Swift

       UNFORMATTED CAPACITY (MB) ________________239
       FORMATTED CAPACITY (36 SECTORS) (MB) _____211
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________11,448
       CYLINDERS ________________________________1,272
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL (2,7)
       TRANSFER RATE (mbytes/sec) _______________1.25
       SPINDLE SPEED (RPM) ______________________3,600
       AVERAGE LATENCY (mSEC) ___________________8.33
       BUFFER ___________________________________32 or 64 Kbyte
         Read Look-Ahead, Non-Adaptive,
         Single-Segmented
       INTERFACE ________________________________AT BUS
       SECTORS PER DRIVE ________________________412,128
       TPI (TRACKS PER INCH) ____________________1,543
       BPI (BITS PER INCH) ______________________28,103
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MAX FULL SEEK (ms) _______________________35
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______33.75
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.

Possible Translation:  954 cyl, 12 heads, 36 sectors = 211,009,536
Possible Translation:  817 cyl, 14 heads, 36 sectors = 210,825,216
Possible Translation:  990 cyl, 16 heads, 26 sectors = 210,862,080

Note: A "custom" or "user-defined" CMOS drivetype  may ask for a
numerical value for the Write Precompensation cylinder and for the
Landing Zone cylinder.  A basic rule-of-thumb for drive models that do
not require the old Write Precomp technique or a Landing Zone because
they are Auto-Parking is to add 1 to the cylinder value being used. As
an example: If cylinders equaled 820, then both Write Precomp and
Landing Zone would be entered as 821. Some BIOS will convert this to
65535 or -1, which are functionally equivalent to "none (not used)".

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

Already low-level formatted at the factory.

Since a User-definable or Custom translation geometry may be used, it
is imperative that the values be written down and kept with your
permanent records for retrieval in the event of CMOS battery failure.


                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  �������Ŀ
                                  � A � B �    B = Anode
                                  �������Ĵ    D = Cathode
                                  � C � D �
              ...�������������������������������P�W�A���...


        � Default jumper at C-D for LED mounted on drive PWA
        � To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
        � Swift LED kit 75912397 allows connection to a remote LED
        � Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit

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

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