HP DC7900 - Manual (Page 50)

PS/2 Standard Keyboard PS/2 Standard Keyboard PS/2 Standard Keyboard PS/2 Standard Keyboard Physical Physical Physical Physical
characteristics
characteristics characteristics characteristics
Keys Keys Keys Keys 104, 105, 106, 107, 109 layout (depending
upon country)
Dimensions Dimensions Dimensions Dimensions (L x W x H) 18.0 x 6.4 x 0.98 in (45.8 x 16.3 x 2.5 cm)
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 50-mA maximum (with three LEDs ON)
System interface System interface System interface System interface PS/2 6-pin mini din 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 38 available
Keycaps Keycaps Keycaps Keycaps Low-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
Ergonomic compliance Ergonomic compliance Ergonomic compliance Ergonomic compliance ANSI HFS 100, ISO 9241-4, and TUVGS
HP USB Smartcard HP USB Smartcard HP USB Smartcard HP USB Smartcard
Keyboard
Keyboard Keyboard Keyboard
Physical Physical Physical Physical
characteristics
characteristics characteristics characteristics
Keys Keys Keys Keys 104, 105, 106, 107, 109 layout (depending
upon country)
Form factor Form factor Form factor Form factor USB basic Smart Card keyboard
Colors Colors Colors Colors Carbonite/Silver
Dimensions Dimensions Dimensions Dimensions (H x W x D) 18.2 x 6.3 x 1.3 in (46.3 x 16.1 x 3.3 cm)
Weight Weight Weight Weight 2 lb (0.9 kg) minimum
Electrical Electrical Electrical Electrical Operating voltage Operating voltage Operating voltage Operating voltage + 5VDC ± 5%
QuickSpecs
HP Compaq dc7900 Business PC HP Compaq dc7900 Business PC HP Compaq dc7900 Business PC HP Compaq dc7900 Business PC
Technical Specifications - Input/Output Devices
DA - 13029 North America — Version 15 — March 30, 2009 Page 50