SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771  [300-9600 HST, MNP 3/5, N-8-1]
(C)opyright  1990

Swift AT (IDE)           ST-1201A (94354-200)
     ΪΔΔΔ\
     ³ O ³  5
     ³ O ³  G                                          ΪΔΏ  Some have
     ³ O ³  G       AT (IDE) Cable                     ³ ΓΔ these pins
     ³ O ³ 12  1Ϊ........................Ώ   o o o o o(o o)  6 off
     ΐΔΔΔ/       ........................    o o o o o(o o)  7 off
    ΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝ
                                             1 2 3 4 5 6 7
         ON                 OFF              ³ ³ ³ ³ ³ ΐΒΩ
    1   Slave              Master          ΔΔΩ ³ ³ ³ ³  ³
    2   5 Heads            7/9 Heads       ΔΔΔΔΩ ³ ³ ³  ³
    3   Slave installed    Slave not inst. ΔΔΔΔΔΔΩ ³ ³  ³
    4   7 byte ECC         4 byte ECC      ΔΔΔΔΔΔΔΔΩ ³  ³
    5   Factory test       Normal Oper.    ΔΔΔΔΔΔΔΔΔΔΩ  ³
    6/7 Some PWA's have these pins, factory use  ΔΔΔΔΔΔΔΩ


                             ST-1201A
                         94354-200 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 ________________________________AT BUS
       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) ______33.75
       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 FORMATTING AND PARTITIONING SOFTWARE.  ALSO, CHECK TO 
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE 
AVAILABLE. (see below)

Possible translation:    804 cyl,  9 heads, 48 sectors = 177,831,936
Possible translation:    954 cyl, 14 heads, 26 sectors = 177,795,072

PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION

!WARNING! - 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

                                  ΪΔΔΔΒΔΔΔΏ
                                  ³ A ³ B ³    B = Anode
                                  ΓΔΔΔΕΔΔΔ΄    D = Cathode
                                  ³ C ³ D ³
              ...ΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΟΝΝΝΟΝΝΝΟΝΝΝΝΝPΝWΝAΝΝΝ...


        ψ Default jumper at C-D for LED mounted on drive PWA
        ψ To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
        ψ Swift LED kit 75912397 allows connection to a remote LED
        ψ 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)