DISK DRIVE PARAMETERS.

     MODEL  M2226D2

        INTERFACE   ST506                      RECORDING CODE   MFM

        CAPACITY----Unformatted  38.43  MB.     Formatted  30.22 MB.
                    Per Track    10.416 KB.     Sectors/track   32  

        NUMBER OF---Heads      6                Servo Tracks Embedded 
                    Cylinders  615
        POSITIONING TIME 
                    Track to track 8 mS.        Average 35 mS.
                    Maximum    75 mS.

        POSITIONING METHOD    OPTICAL ENCODER MOTOR 

        SPINDLE SPEED  3,600  R.P.M.            AVERAGE LATENCY 8.3 mS.

        DENSITY---Recording  14,845 B.P.I.      Track  834 T.P.I.


        DATA TRANSFER RATE
                    Burst N/A 
                    Sustained 625 Kbytes/Sec.
        BUFFER SIZE / TYPE    N/A 

        START TIME  15 Secs.                    STOP TIME 25  Secs.

        ERROR RATES   Recoverable: 10 errors per 10E11 bits read
                      Non-recoverable: 10 errors per 10E13 bits read
                      Seek:10 errors per 10E7 seeks 


                              PHYSICAL SPECIFICATIONS

        DIMENSIONS.  101.6 mm X 41.3 mm X 146 mm     WEIGHT. 1.0 Kg 
        POWER REQUIREMENTS. +12V , +5V 
                     Consumption. 7.5  Watts.

                                OPERATING          NON-OPERATING     
        Temperature - - - - |  5 C to 45 C      | -40 C to 60 C      |
        Humidity - - - - - -|  20% to 80% RH    |  5% to 95% RH      |
        Altitude - - - - - -|  3,000 m or below | 12,000 m or below  |
        Vibration - - - - - |  less than 0.2G   |  less than 0.4G    |
        Shock - - - - - - - |  less than 3G     |  less than 40G     |
        Temperature Gradient|  15 C/h or less   |  15 C/h or less    |

                                  RELIABILITY DATA

             Mean time before failure  30,000 Hrs.
              Mean time to repair   0.5  Hrs.
               Component life   more than 5 Yrs.
    
                                   STANDARDS

          UL   APPROVED                 FCC                          
          CSA  APPROVED                 VDE                          
          TUV  APPROVED                 ANSI