HP 525 5/XX Technical Reference Manual page 22

Computer
Type
These
characteristics
are valid for
both the
minitower
and desktop
computers.
Keyboard
NOTE
1 HP Vectra 500 Series
System Overview
Characteristic
Operating temperature
Recommended operating
temperature
Storage temperature
Over temperature shutdown
Operating humidity
Storage humidity
Operating altitude
Storage altitude
Maximum thermal dissipation
Flat
Standing
Operating temperature and humidity ranges may vary depending upon the mass
storage devices installed. High humidity levels can cause improper operation of
disk drives. Low humidity ranges can aggravate static electricity problems and
cause excessive wear of the disk surface.
22
Description
+5°C to +40°C (+40°F to +104°F)
+15°C to +30°C (+59°F to +104°F)
-40°C to +70°C (-40°F to +158°F)
+50°C ( +122°F)
15% to 80% (relative)
8% to 80% (relative)
3100 m (10000 ft) max
12200 m (40000 ft) max
91 kcal per hour (360 BTU per hour)
464 mm (Width) by 178 mm (Depth) by 33 mm (Height)
(18.3 inches by 7 inches by 1.3 inches)
464 mm (Width) by 178 mm (Depth) by 51 mm (Height)
(18.3 inches by 7 inches by 2 inches)