QuickSpecs
HP Compaq dx2480 Microtower Business PC
Technical Specifications - Input Devices
DA – 13004 Worldwide — Version 1 — March 17, 2008 Page 19
Keys
104 layout
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
HP PS/2 or USB
Standard Keyboard
Approvals
UL, CSA, FCC, CE Mark, TUV, TUV GS, VCCI, BSMI, C-Tick, MIC
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