DISK DRIVE SPECIFICATIONS

        MODEL: M2226D                           PART NUMBER: B03B-4815-B003A

        INTERFACE: ST506                        RECORDING CODE: MFM 

        CAPACITY----Unformatted: 38.43 Mbytes   Formatted: 30.22 Mbytes
                    Per Track: 10.416 Kbytes    Sectors/track: 32

        NUMBER OF---Heads:     6                Servo Tracks: Embedded
                    Cylinders: 615

        POSITIONING TIME:
                    Track to track: 8 msec.     Average: 40 msec.
                    Maximum:        85 msec.

        POSITIONING METHOD: Optical Encoder Motor

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

        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 sec. or less             STOP TIME: 25 sec. or less

        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: 101.6mm X 41.3mm X 146mm     WEIGHT: 1.0 Kg
        POWER REQUIREMENTS: +12V +/- 5% , +5V +/- 5%
               CONSUMPTION: 13.8 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 - - - - - -| 0 m to 3,000 m    |  0 m to 12,000 m   |
        Vibration - - - - - | less than 0.2G    |  less than 0.4G    |
        Shock - - - - - - - | less than 5G      |  less than 50G     |
        Temperature Gradient| 15 C/h or less    |  15 C/h or less    |


                                  RELIABILITY DATA

        Mean Time Before Failure (MTBF): 30,000 Hrs.
        Mean Time To Repair (MTTR):         0.5 Hrs.
        Component life:                       5 Years
    
                                  STANDARDS

          UL    APPROVED 
          CSA   APPROVED 
          TUV   APPROVED