Compaq Pro 6305 Maintenance and Service Guide Pro 6305 Microtower Business PC - Page 226

C Specifications MT Specifications Table C-1 Specifications Chassis Height Width Depth 14.9 in 7.0 in 17.0 in 37.7 cm 17.7 cm 43.1 cm Approximate Weight 20.5 lb 9.3 kg Temperature Range Operating Nonoperating 50° to 95°F -22° to 140°F 10° to 35°C -30° to 60°C NOTE: Operating temperature is derated 1.0° C per 300 m (1000 ft) to 3000 m (10,000 ft) above sea level; no direct sustained sunlight. Maximum rate of change is 10° C/Hr. The upper limit may be limited by the type and number of options installed. Relative Humidity (noncondensing) Operating Nonoperating (38.7°C max wet bulb) 10-90% 5-95% 10-90% 5-95% Maximum Altitude (unpressurized) Operating Nonoperating 10,000 ft 30,000 ft 3048 m 9144 m Power Supply Operating Voltage Range Rated Voltage Range1 Rated Line Frequency Operating Line Frequency 90-264 VAC 100-240 VAC 50-60 Hz 47-63 Hz Standard Efficiency High Efficiency 320W 320W active PFC; 87/90/87% efficient at 20/50/100% load Rated Input Current 5.5A 1 This system 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. 216 Appendix C Specifications