Product SpecificationsThe following table lists some of the physical product descriptionsrelating to the AHA-1740A/1742A/1744 Host Adapters.Physical DimensionsLength 13-3/8 inchesWidth 5/8 inchHeight 5 inchesStandard EISA-compatible form factorPower Requirements+ 5.0 +/- 0.25 Volts at 2.9 Amps (maximum)Environmental RequirementsTemperature -40° - 75° C (operating or storage)Reliability InformationMean Time Between Failures (MTBF): 100,000 hours(calculated per Mil Handbook 217E, ground benign, 40 C)Mean Time Between Failures (MTBF): (calculated)1740A 60,462 hours1742A 57,600 hours1744 54,856 hoursMean Time To Repair (MTTR): 30 minutesTable 1-3. AHA-1740A/1742A/1744 Product SpecificationsEISA-to-Fast SCSI Host Adapter Overview1-7