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


                             ST-1057A

     PWA
                          ....................    /\
                           ....................      O O O O 
       1 o o 2  Ŀ        Cable Connector   5GG12
       3 o o 4  Ŀ 
       5 o o 6  Ŀ  
       7 o o 8  Ŀ   
       9 o o 10     
                     Life-Test (Factory use)
                    Master *
                   Slave Present (on Master only) *
                  Reserved
                 Remote LED
                            * No jumpers if unit is Slave

                             ST-1057A


       UNFORMATTED CAPACITY (MB) ________________N/A
       FORMATTED CAPACITY (xx/17 SECTORS) (MB) __53.4
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________6,144
       CYLINDERS ___PHYSICAL/LOGICAL_____________NA/1,024
       HEADS _______PHYSICAL/LOGICAL_____________3/6
       DISCS ____________________________________2
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL ZBR
       TRANSFER RATE INTERNAL (mbits/sec) _______8.2/10/12
       INTERFACE ________________________________AT BUS
       TPI (TRACKS PER INCH) ____________________1,300
       BPI (BITS PER INCH) ______________________21,600
       AVERAGE ACCESS (ms) ______________________18
       SINGLE TRACK SEEK (ms) ___________________6
       MTBF (power-on hours) ____________________50,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.63
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______8
                           MAXIMUM (watts) ______
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A (1024)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1024)
       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.


PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
ZBR = Zone Bit Recording = Variable sectors per track

!WARNING! - Already low-level formatted at the factory.

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