HP DX2390 - Manual (Page 11)

Power Supply ATX Power Supply – Passive PFC/non-PFC with a 115v/230v line switch
Passive Power Factor Correction (PFC) – with line switch set to 230V – No PFC in 115V line
switch position
90 to 140VAC, or 180 to 264VAC operating voltage range
100 to 127VAC, or 200 to 240VAC rated voltage range
50-60 Hz rated line frequency
47-63 Hz operating line frequency range
250 watt maximum rated power
80-mm power supply fan – variable speed for optimum acoustics
Power Conservation
‘Energy Saver‘ APM 1.2 support
Screen blanking
Hard drive 'Idle' mode
System Idle mode
~2 watt power consumption in ES mode – suspend to RAM (S3) (instantly available PC)
Processor/Cache memory power-down (S3)
System Environmental
Specs Values are subject to change without notification and are for reference only.
Performance of system, options, and ancillary equipment will vary depending on the system
configuration.
Levels presented do not account for non-HP/Compaq installed hardware.
Ambient Air Temperature Operating 50° to 95°F (10° to 35°C) at sea level with an
altitude de-rating of 1.0°C per every 1000 ft
(300 m) above sea level to a maximum of 8000
ft (2500 m), no direct sustained sunlight.
Maximum rate of change is 77°F/Hr (25°C/Hr).
The upper limit may be limited by the type and
number of options installed.
Storage -22° to 140°F (-30° to 60°C) –
Maximum rate of change: 410°F/Hr
(210°C/Hr).
Humidity Operating 10% to 90% relative humidity (Rh), 86°F (30°C)
maximum wet bulb temperature, non-condensing
Storage 10% to 95% relative humidity (Rh), 101.66°F
(38.7°C) maximum wet bulb temperature, non-
condensing
Altitude 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).
QuickSpecs
HP Compaq dx2390 Microtower Business PC
(EMEA, APJ, and Brazil Only)
System Details
DA - 12990 Worldwide QuickSpecs — Version 8 — 4/3/2009 Page 11