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                         SEAGATE TECHNOLOGY, INC.
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 1991



ST-177N SCSI

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          1 2 4 ³ P   ........................1
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            ³   ³ ³ ÚÄÄÄÄÄÄ1ÚÄÄÄÄÄÄ1ÚÄÄÄÄÄÄ1
            ³   ³ ³ ÀÄÄÄÄÄÄÙÀÄÄÄÄÄÄÙÀÄÄÄÄÄÄÙ
            ³   ³ ³    À Resistor Termination Packs
            ³   ³ ³
            ³   ³ ÀÄ Parity Check enable
            ³   ÀÄÄÄ Not Used
            ÀÄÄÄÄÄÄÄ Drive ID's, ID 0 (none) for single drive system

                              ST - 177N

       UNFORMATTED CAPACITY (MB) ________________N/A
       FORMATTED CAPACITY (26 SECTORS) (MB) _____60.8
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________4,606
       CYLINDERS ________________________________921
       HEADS ____________________________________5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbits/sec) ________________7.5
       SPINDLE SPEED (RPM) ______________________3,600
       INTERFACE ________________________________SCSI
       TPI (TRACKS PER INCH) ____________________1,300
       BPI (BITS PER INCH) ______________________19,893
       AVERAGE ACCESS (ms) ______________________20
       SINGLE TRACK SEEK (ms) ___________________8
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.5
                           +5V TYPICAL (amps) ___0.6
                           TYPICAL (watts) ______9
                           MAXIMUM (watts) ______27
       BUFFERED STEP PULSE RATE (micro sec) _____3-200
       WRITE PRECOMP (cyl) ______________________N/A (922)
       REDUCED WRITE CURRENT (cyl) ______________N/A (922)
       LANDING ZONE (cyl)________________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE


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

A copy of this specification file may be obtained by FTP at
ftp://ftp.seagate.com/techsuppt/scsi/st177n.txt.