
M I N I   P O R T   2 6 0   A    MINISTOR
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 1.8"/SUPERSLIMLINE    Cylinders        |     |     |
Capacity form/unform   260/      MB        Heads            |     |     |
Seek time   / track  23.0/     ms          Sector/track     |     |     |
Controller           IDE / AT              Precompensation
Cache/Buffer               KB              Landing Zone
Data transfer rate    3.000 MB/S int       Bytes/Sector      512
                      5.000 MB/S ext
Recording method     RLL 1/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5 V          Temperature *C                 |
Power: sleep              W     Humidity     %                 |
       standby            W     Altitude    km                 |
       idle               W     Shock        g       200       |    800
       seek               W     Rotation   RPM
       read/write         W     Acoustic   dBA
       spin-up            W     ECC        Bit   YES
                                MTBF         h     250000
                                Warranty Month
Lift/Lock/Park     YES          Certificates     CSA,FCC,IEC950,UL1950        

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                        L   A   Y   O   U   T
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MINISTOR AT ATTACHMENT PRODUCT MANUAL 80000500 VER. 1.1  MAY/1994




           +-----------------------------------------+
       44XX|RESERVED                                 |
         XX|+5V/GND                                  |
         XX|                                         |
         XX|20 Pin Removed                           |
         XX|                                         |
         XX|                                         |
         XX|                                         |
         XX1                                         |
           |Pins Removed                             |
      REVXX|                                         |
           +-----------------------------------------+






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                      J   U   M   P   E   R   S
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MINISTOR AT ATTACHMENT PRODUCT MANUAL 830000500 VER. 1.1  5/1994

 Jumper  Setting
 ===============

 Interface Description
 ---------------------
 The interface is an AT Attachment interface, ANSI X3T9.2, ATA 3.3.
 It uses a 44/50 pin connector, such as the Dupont Mini-Tek series
 P/N 86455-350. The signal levels are TTL compatible unless otherwise
 noted. Reserved pins should be left unconnected. Below is a
 description of the pinout definition.


           -+-----+
 RESERVED   | A  B| RESERVED
 RESERVED   | C  D| RESERVED
 KEY        | E  F| KEY REMOVED
 RESET-     | 1  2| GND
 DD7        | 3  4| DD8
 DD6        | 5  6| DD9
 DD5        | 7  8| DD10
 DD4        | 9 10| DD11
 DD3        |11 12| DD12
 DD2        |13 14| DD13
 DD1        |15 16| DD14
 DD0        |17 18| DD15
 GND        |19 20| KEY (REMOVED)
            |21 22| GND
 DIOW-      |23 24| GND
 DIOR-      |25 26| GND
 IORDY      |27 28| CSEL
            |29 30| GND
 INTRQ      |31 32| IOCS16-
 DA1        |33 34| PDIAG-
 DA0        |35 36| DA2
 CS1FX-     |37 38| CS3FX-
 DASP-      |39 40| GND (MOTOR)
 5VDC LOGIC |41 42| 5VDC (MOTOR)
 GND LOGIC  |43 44| RESERVED
          --+-----+

 CSEL Pin 28 Cable Select
 ------------------------
 This Cable Select signal is used to configure a drive as either Drive
 0 or 1.
   +---------+---------------+
   |CSEL     | Drive address |  This signal is pulled up internally
   +---------+---------------+  with a 10K resistor.
   |GROUNDED |       0       |
   +---------+---------------+
   |OPEN     |       1       |
   +---------+---------------+


 PDIAG Pin 34 Drive Diagnostics
 ------------------------------
 Asserted by drive 1 to indicate to drive 0 that it has completed
 diagnostics. A 10K pull-up resistor is used on this signal at the
 drive.


 DASP- Pin 39 Drive Active/Slave Present
 ---------------------------------------
 Time multiplexed to indicate that a drive is active or that drive 1
 is present.



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MINISTOR AT ATTACHMENT PRODUCT MANUAL 830000500 VER. 1.1, 5/1994


 Spindle Motor
 -------------
 The drive's motor is designed for the rugged portable environment. It
 is built into the HDA base casting and not just installed as with
 other drives. The spindle motor bearings are the same size as those
 used in 2.5" drives, yet the MiniStor drive has one third the mass
 being held by those bearings. The larger bearings size results in a
 greater surface area supporting shock loads. The reason for the large
 bearings is to prevent any damage from large shock loads.



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                      F   E   A   T   U   R   E  S
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MINISTOR AT ATTACHMENT PRODUCT MANUAL 830000500 VER. 1.1 5/1994

 Introduction
 ------------
 The MiniStor AT Attachment drives are 1.8" subminiature ruggedized
 high performance disk drives designed for the portable and mobile
 computing environment.


 Key Features
 ------------
 ImpacSAFE(TM)
   Built-in technology to prevent data loss or corruption from shock
   and vibration.

 Rugged and Reliable
   200G operating and non-operating shock resistance ensures reliable
   operation in demanding portable computing environments.

 High Performance
   16ms average seek time, 6.72ms average latency and advanced caching
   algorithms for fast data access.


 Electro-Mechanical Latch
 ------------------------
 The MiniStor latch is a static bistable latch. In other words, the
 latch can be in either of two stable conditions, which require no
 other forces to remain in those conditions. Below is a brief
 description of the latch operation from power-up to power-down.

 When power is supplied to the drive the latch coil is energized. The
 EMF generated overcomes the preload of the engaged latch, and the
 latch rotates to the stable open position. The coil is then
 deenergized. The latch is held in the open position by magnetic
 attraction.

 On power down, the servo circuit is given an autoretract command.
 As the actuator moves toward the landing zone the actuator arm
 mechanically engages the latch to the stable closed position.


 Shock Sensor
 ------------
 The Shock Sensor uses an electromechanical transducer that turns off
 write current preventing data corruption, when the drive is subjected
 to a high g force.


