Seagate STM305004N1AAA-RK DiamondMax 21 PATA Product Manual - Page 22

2.9 Environmental specifications 2.9.1 Ambient temperature Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 69°C (156°F) within the operating ambient conditions. Recommended measurement locations are shown in See Figure 6 on page 27. Above 1,000 feet (305 meters), the maximum temperature is derated linearly to 112°F (44°C) at 10,000 feet (3,048 meters). Operating: Nonoperating: 5° to 60°C (41° to 140°F) -40° to 70°C (-40° to 158°F) 2.9.2 Temperature gradient Operating: Nonoperating: 20°C per hour (68°F per hour max), without condensation 30°C per hour (86°F per hour max) 2.9.3 Humidity 2.9.3.1 Relative humidity Operating: Nonoperating: 5% to 90% noncondensing (30% per hour max) 5% to 95% noncondensing (30% per hour max) 2.9.3.2 Wet bulb temperature Operating: Nonoperating: 37.7°C (99.9°F max) 37.7°C (99.9°F max) 320 - 200GB models 40.0°C (104°F max) 160 - 80GB models 2.9.4 Altitude Operating: Nonoperating: -60.96 m to 3,048 m (-200 ft. to 10,000+ ft.) -60.96 m to 12,192 m (-200 ft. to 40,000+ ft.) 16 DiamondMax 21 PATA Product Manual, Rev. B