Quick Specs
HP Compaq dx2280 Microtower Business PC
Technical Specifications - Input/Output Devices
Rev 2.0 July 07
Keys
104, 105, 106, 107, 109 layout (depending upon
country)
Dimensions
(L x W x H)
18.0 x 6.4 x 0.98 in (45.8 x 16.3 x 2.5 cm)
Physical
characteristics
Weight
2 lb (0.9 kg) minimum
Operating voltage
+ 5VDC ± 5%
Power consumption
50-mA maximum (with three LEDs ON)
ESD
CE level 4, 15-kV air discharge
EMI - RFI
Conforms to FCC rules for a Class B computing
device
Electrical
MicrosoftPC 99 - 2001
Functionally compliant
Languages
38 available
Keycaps
Low-profile design
Switch actuation
55-g nominal peak force with tactile feedback
Switch life
20 million keystrokes (using Hasco modified
tester)
Switch type
Contamination-resistant switch membrane
Key-leveling mechanisms
For all double-wide and greater-length keys
Cable length
6 ft (1.8 m)
Microsoft PC 99 - 2001
Mechanically compliant
Mechanical
Acoustics
43-dBA maximum sound pressure level
Operating temperature
50° to 122° F (10° to 50° C)
Non-operating
temperature
-22° to 140° F (-30° to 60° C)
Operating humidity
10% to 90% (non-condensing at ambient)
Non-operating humidity
20% to 80% (non-condensing at ambient)
Operating shock
40 g, six surfaces
Non-operating shock
80 g, six surfaces
Operating vibration
2-g peak acceleration
Non-operating vibration
4-g peak acceleration
Drop
(out of box)
26 in (66 cm) on carpet, six-drop sequence
Environmental
Drop
(in box)
42 in (107 cm) on concrete, 16-drop sequence
Operating system
support
Microsoft Windows XP
Approvals
UL, CSA, FCC, CE Mark, TUV, TUV GS, VCCI, BSMI, C-Tick, MIC
HP PS/2 or USB
Standard Keyboard
Ergonomic compliance
ANSI HFS 100, ISO 9241-4, and TUVGS
Scroll Wheel
8 mm
Maximum Rotation
Speed
30 mm/s
Switch Type
Light force micro-switch
Switch Life
1 million operations
Mechanical Life
Minimum 200,000 revolutions
Operating Temperature
50° to 122° F (10° to 50° C)
Non-operating
Temperature
-22° to 140° F (-30° to 60° C)
Operating Humidity
10% to 90% (non condensing at ambient)
HP 2-Button Scroll
Mouse
(PS/2 or USB)
Environmental
Non-operating Humidity
20% to 80% (non condensing at ambient)
