40 Meg Hard Disk Card (250-4059A)    Specifications     Faxback Doc. # 3040

WD-344R WESTERN DIGITAL

        CAPACITY: 40 MB                   TRANSFER RATE: 7.5 Megabits/
                                                         second
       CYLINDERS: 782                             HEADS: 4
 TRACKS PER INCH: 1013                            DISKS: 2
  AVERAGE ACCESS: 40 Ms                          FORMAT: RLL
ROTATIONAL SPEED: 3329 rpm +-1%         OP. TEMPERATURE: 59 deg F to 91 deg F
BYTES PER SECTOR: N/A                 SECTORS PER TRACK: 17
            MTBF: 20,000              DRIVE DESIGN LIFE: 5 years
    MAX. CURRENT: 1.5A at 5VDC,         TYPICAL CURRENT: 1.0A at 5VDC,
                  2.0A at 12VDC                          0.7 at 12VDC
         VOLTAGE: +5VDC, +12VDC           TYPICAL POWER: 13.4 Watts
                                              TOLERANCE: +5%,-5%

(dkh-08/06/93)