Compaq dc5850 Service Reference Guide: HP Compaq dc5850 Business PC - Page 241

F Specifications This chapter provides specifications for the microtower and small form factor chassis. Microtower Chassis Desktop Dimensions Height 19.94 in 50.65 cm Width 6.98 in 17.73 cm Depth 16.88 in 42.87 cm Approximate Weight 23.5 lb 10.66 kg Temperature Range Operating 50° to 95°F 10° to 35°C Nonoperating -22° to 140°F -30° to 60°C Relative Humidity (noncondensing) Operating 10-90% 10-90% Nonoperating (38.7°C max wet bulb) 5-95% 5-95% Maximum Altitude (unpressurized) Operating 10,000 ft 3048 m Nonoperating 30,000 ft 9144 m 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. Heat Dissipation Maximum (standard PS) 1575 BTU/hr 397 kg-cal/hr Typical (idle; standard PS) 307 BTU/hr 77 kg-cal/hr Maximum (80 Plus PS) 1280 BTU/hr 323 kg-cal/hr Typical (idle; 80 Plus PS) 239 BTU/hr 60 kg-cal/hr Power Supply 115V 230V Operating Voltage Range (Standard PS)1 90-132 VAC 180-264 VAC Operating Voltage Range (80 Plus PS) 90-264 VAC 90-264 VAC Microtower Chassis 229