                         SEAGATE TECHNOLOGY, INC.
     Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
Ŀ
 United States    +1 408 438-8771   United Kingdom +44 628 478011  
Ĵ
 Germany         +49  89 140-9331   Singapore      +65   227-2217  

                            (C)opyright 1991



ST-1201E (94356-200) Swift ESDI

     \
      O   5     Drive Selects
      O   G  
      O   G  1 2 4                            Located on rear
      O  12  o o o      Terminators     Ŀ side of drive
     /     o o o   1ĿĿ        o o o o o
                o o o o o
                   
      Data Cable   Controller Cable      M S   Ext
                                               
               Motor Start option enable     
               Soft Sector option enable     
                                                 
                       B/Sec        Sectors      
                          | | 
                       Test Only!             1 1       0=open
                       512        34          1 0       1=closed
                       512        36          0 0 
                       256        64          0 1 
                                                   
               External Spindle clock  


                             ST-1201E
                         94356-200 Swift

       UNFORMATTED CAPACITY (MB) ________________201
       FORMATTED CAPACITY (36 SECTORS) (MB) _____177
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________9,648
       CYLINDERS ________________________________1,072
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.25
       INTERFACE ________________________________ESDI
       TPI (TRACKS PER INCH) ____________________1,350
       BPI (BITS PER INCH) ______________________28,103
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       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) ______12
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1073)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

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


                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  Ŀ
                                   A  B     B = Anode
                                  Ĵ    D = Cathode
                                   C  D 
              ...PWA...


         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)
