HP dx2480 HP Compaq dx2480 Business PC Quick Reference Guide - Page 10

QuickSpecs System Details Humidity Altitude Shock Vibration Acoustic Noise HP Compaq dx2480 Microtower Business PC (210°C/Hr). Operating 10% to 90% relative humidity (Rh), 86°F (30°C) maximum wet bulb temperature, noncondensing Storage 5% to 95% relative humidity (Rh), 101.66°F (38.7°C) maximum wet bulb temperature, non-condensing Operating 0 to 10,000 feet (0 to 3048 meters) - This value may be limited by the type and number of options installed. Maximum allowable altitude change rate is 1,000 ft/min (304.8 m/min). Non-Operating 0 to 30,000 feet (0 to 9,144 meters) - Maximum allowable altitude change rate is 1200 ft/min (365.76 m/min). Listed are the levels of shock the product can withstand with NO damage being incurred. The values represent peak input acceleration during a 2 to 3 ms half-sine shock pulse, 11 ms trapezoidal shock pulse. Non-Operating 40G's (Half-sine Shock) 40G's (Trapezoidal Shock) Listed are the levels of vibration the product can withstand with NO damage being incurred. The values represent a flat random vibration input acceleration profile across the given frequency range. Operating Random vibration at [email protected]²/Hz, [email protected]²/Hz, [email protected]²/Hz, [email protected]²/Hz 5Hz to 300Hz, (0.25G's nominal). Non-Operating Random vibration at 0.008G²/Hz, 10Hz to 500Hz, (2 Grms nominal). Listed are the declared A-WEIGHTED SOUND POWER LEVELS (LWAd) and declared average desktop seated operator position A-WEIGHTED SOUND PRESSURE LEVELS (LpAm) when the product is operating in a 73.4°F (23°C) ambient environment. Noise emissions were measured in accordance with ISO 7779 (ECMA 74) and declared in accordance with ISO 9296 (ECMA 109). IDLE (Fixed disk drive LWAd = 4.3 Bels, spinning) Desktop Average LpAm = 35 dBA FIXED DISK (Random LWAd = 4.8 Bels, write) Desktop Average LpAm = 40dBA CD-ROM (Sequential LWAd = 5.0 Bels, Reads) Deskside Average LpAm = 42dBA DA - 13004 Worldwide - Version 1 - March 17, 2008 Page 10