Compaq dx2818 Service Reference Guide: HP Compaq dx2810 and dx2818 Business PC - Page 157

Table D-1 Specifications (continued) Power Supply 115V 230V Operating Voltage Range (standard PS) 90-132 VAC 180-264 VAC Operating Voltage Range (85 plus PS) 90-264 VAC 90-264 VAC Rated Voltage Range (standard PS) 100-127 VAC 200-240 VAC Rated Voltage Range (85 plus PS) 100-240 VAC 100-240 VAC Rated Line Frequency 50-60 Hz 50-60 Hz Standard PS Power Output 300W/250W 300W/250W 85 Plus PS Power Output 300W 300W Standard PS Rated Input Current (maximum)1 8A @ 115 VAC 4A @ 230 VAC 85 Plus PS Rated Input Current (maximum)2 8A @ 115 VAC 4A @ 230 VAC 1 The standard power supply utilizes a passive power factor corrected power supply. The power factor correction is present in the 230V operating mode only. This allows the system to pass the CE mark requirements for use in the countries of the European Union. This supply requires the use of an input voltage range select switch. 2 The 85 Plus power supply utilizes an active power factor corrected power supply. This allows the system to pass the CE mark requirements for use in the countries of the European Union. The active power factor corrected power supply also has the added benefit of not requiring an input voltage range select switch. Small Form Factor Table D-2 Specifications Desktop Dimensions Height 3.86 in 9.8 cm Width 13.19 in 33.5 cm Depth 15.23 in 38.7 cm Approximate Weight 14.05 lb 6.51 kg Temperature Range Operating 50° to 95°F 10° to 35°C Nonoperating -22° to 140°F -30° to 60°C NOTE: Operating temperature is derated 1.0° C per 300 m (1000 ft) to 2,286 m (7,500 ft) above sea level; no direct sustained sunlight. Maximum rate of change is 7.5° C/Hr. The upper limit may be limited by the type and number of options installed. Relative Humidity (noncondensing) Operating 10-90% Nonoperating (38.7°C max wet bulb) 10-95% Maximum Altitude (unpressurized) Operating 10,000 ft 3048 m Nonoperating 30,000 ft 9144 m Small Form Factor 147