HP Compaq 500B Microtower, Overview

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HP USB Mini-Keyboard
HP USB Mini-Keyboard HP USB Mini-Keyboard
HP USB Mini-Keyboard Physical
Physical Physical
Physical
characteristics
characteristics characteristics characteristics
Keys
Keys Keys
Keys 87, 88, 89, 91 layout (depending upon country)
Dimensions Dimensions Dimensions Dimensions (L x W x H) 14.76 x 6.73 x 0.96 in (374.90 x 170.94 x
24.38 mm)
Weight Weight Weight Weight 2 lb (0.9 kg) minimum
Electrical Electrical Electrical Electrical Operating voltage Operating voltage Operating voltage Operating voltage + 5VDC ±5%
Power consumption Power consumption Power consumption Power consumption 100-mA maximum (with three LEDs ON)
System interface System interface System interface System interface USB Type A plug connector
ESD ESD ESD ESD CE level 4, 15-kV air discharge
EMI – RFI EMI – RFI EMI – RFI EMI – RFI Conforms to FCC rules for a Class B computing
device
Microsoft PC 99 – 2001 Microsoft PC 99 – 2001 Microsoft PC 99 – 2001 Microsoft PC 99 – 2001 Functionally compliant
Mechanical Mechanical Mechanical Mechanical Languages Languages Languages Languages Currently 7 available
Keycaps Keycaps Keycaps Keycaps Stepped -profile design
Switch actuation Switch actuation Switch actuation Switch actuation 55-g nominal peak force with tactile feedback
Switch life Switch life Switch life Switch life 20 million keystrokes (using Hasco modified
tester)
Switch type Switch type Switch type Switch type Contamination-resistant switch membrane
Key-leveling mechanisms Key-leveling mechanisms Key-leveling mechanisms Key-leveling mechanisms For all double-wide and greater-length keys
Cable length Cable length Cable length Cable length 6 ft (1.8 m)
Microsoft PC 99 – 2001 Microsoft PC 99 – 2001 Microsoft PC 99 – 2001 Microsoft PC 99 – 2001 Mechanically compliant
Acoustics Acoustics Acoustics Acoustics 43-dBA maximum sound pressure level
Environmental Environmental Environmental Environmental Operating temperature Operating temperature Operating temperature Operating temperature 50° to 122° F (10° to 50° C)
Non-operating Non-operating Non-operating Non-operating
temperature
temperature temperature temperature
–22° to 140° F (–30° to 60° C)
Operating humidity Operating humidity Operating humidity Operating humidity 10% to 90% (non-condensing at ambient)
Non-operating humidity Non-operating humidity Non-operating humidity Non-operating humidity 20% to 80% (non-condensing at ambient)
Operating shock Operating shock Operating shock Operating shock 40 g, six surfaces
Non-operating shock Non-operating shock Non-operating shock Non-operating shock 80 g, six surfaces
Operating vibration Operating vibration Operating vibration Operating vibration 2-g peak acceleration
Non-operating vibration Non-operating vibration Non-operating vibration Non-operating vibration 4-g peak acceleration
Drop Drop Drop Drop (out of box) 26 in (66 cm) on carpet, six-drop sequence
Drop Drop Drop Drop (in box) 42 in (107 cm) on concrete, 16-drop sequence
Approvals Approvals Approvals Approvals UL, CSA, FCC, CE Mark, TUV, TUV GS, VCCI, BSMI, C-Tick, MIC, USB-IF
Ergonomic compliance Ergonomic compliance Ergonomic compliance Ergonomic compliance ANSI HFS 100, ISO 9241-4, and TUVGS
QuickSpecs
Compaq 500B Microtower PC Compaq 500B Microtower PC Compaq 500B Microtower PC Compaq 500B Microtower PC
Technical Specifications - Input Devices
DA - 13418 North America — Version 2 — October 30, 2009 Page 25