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


ST-42101N  Wren 9 FH SCSI-2 Fast Wide

                        Ϊ Synchronous Spindles option         DC
                        ³                                     Power
                        ³   ΥΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΈ /ΔΔΔΔΔΔΔΔΔ\
      ΝΝΝΝΝΝΝΝPΝWΝAΝΝΝΝΝΝΝΝΝ΅:SCSI:Cable:::::::::::::::::1ΖΝ΅ 0 0 0 0 ΖΝΝ
      ΪΔΏ             ΪΔΑΔΏ ΤΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΎ ΐΔ5ΔGΔGΔ12Ω
      ³o³o o o o o o o³o+o³   ΪΔΔΔΔΔΔ1 ΪΔΔΔΔΔΔ1 ΪΔΔΔΔΔΔ1
      ΕoΕo o o o o o o³o-o³   ΐΔΔΔΔΔΔΩ ΐΔΔΔΔΔΔΩ ΐΔΔΔΔΔΔΩ
      ΐ1Ω  4 2 1      ΐΔΔΔΩ     Terminator SIPS
       ³ ³ ΔΔΒΔΔ ³ ³ ³
       ³ ³   ³   ³ ³ ΐΔ Motor Start Delay (16 secs * ID)
       ³ ³   ³   ³ ΐΔΔΔ Parity check enable
       ³ ³   ³   ΐΔΔΔΔΔ Motor Start option enable
       ³ ³   ΐΔΔΔΔΔΔΔΔΔ Drive ID's, ID 0 (none) if only SCSI device
       ³ ΐΔΔΔΔΔΔΔΔΔΔΔΔΔ Terminator power to the Bus (vertical)
       ΐΔΔΔΔΔΔΔΔΔΔΔΔΔΔΕ Terminator power from Drive, default (vertical)
                      ³ Terminator power from Bus (lower horizontal)



           LED
          ΪΔΔΔΏ      (Viewed from front of drive)          Ϊ GND
          ³ 0 ³                                            ³
      ΝΝΝΝΟΝΝΝΟΝΝΝΝΝΝΝΝΝΝΝΝΝPΝWΝAΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΨΝΝΝΝΝΝΝΝΝΝΝΝ
                                                         o o o  J6
                                         pin-1 (+5v) ----o o o
                                                         ³ ³ ³
                                 Remote LED connection ΔΔΩ ³ ³
                                  Write Protect Remote ΕΔΔΔΩ ³
                               Switch cable connection ³     ³
                                      Factory Use Only ΔΔΔΔΔΔΩ


                             ST-42100N
                             WREN 9 FH

       UNFORMATTED CAPACITY (MB) ________________2,200
       FORMATTED CAPACITY (xx SECTORS) (MB) _____1,900
       AVERAGE SECTORS PER TRACK (with spares)___96
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________38,595
       CYLINDERS ________________________________2,573
       HEADS ____________________________________15
       DISCS (5.25 in) __________________________8
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (1,7)
       INTERNAL TRANSFER RATE (mbits/sec) _______20 to 31
       EXTERNAL TRANSFER RATE (Mbytes/sec) ______20.0 Sync. (16 bit)
       SPINDLE SPEED (RPM) ______________________3,600
       AVERAGE LATENCY (mSEC) ___________________8.33
       BUFFER ___________________________________256 Kbyte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________SCSI-2 Fast Wide
       SECTORS PER DRIVE ________________________3,705,120
       TPI (TRACKS PER INCH) ____________________2,150
       BPI (BITS PER INCH) ______________________
       AVERAGE ACCESS (ms) ______________________12.95
       SINGLE TRACK SEEK (ms) ___________________2
       MAX FULL SEEK (ms) _______________________29
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __1.5
                           +5V START-UP (amps) __0.8
                           +5V TYPICAL (amps) ___0.6
                           TYPICAL (watts) ______23
                           MAXIMUM (watts) ______
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE

Already low-level formatted at the factory with one spare sector
per track and two spare cylinders/unit.


Seagate reserves the right to change, without notice, product
offerings or specifications. (10/31/91)