HP USB Mini-Keyboard Physical Keys, Key-leveling

Compaq 500B Microtower PC

HP USB Mini-Keyboard Physical	Keys	87, 88, 89, 91 layout (depending upon
characteristics		country)
	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	2 lb (0.9 kg) minimum
Electrical	Operating voltage	+ 5VDC ±5%
	Power consumption	100-mA maximum (with three LEDs ON)
	System interface	USB Type A plug connector
	ESD	CE level 4, 15-kV air discharge
	EMI – RFI	Conforms to FCC rules for a Class B
		computing device
	Microsoft PC 99 – 2001	Functionally compliant
Mechanical	Languages	Currently 7 available
	Keycaps	Stepped -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	For all double-wide and greater-length keys
	mechanisms
	Cable length	6 ft (1.8 m)
	Microsoft PC 99 – 2001	Mechanically compliant
	Acoustics	43-dBA maximum sound pressure level
Environmental	Operating temperature 50° to 122° F (10° to 50° C)
	Non-operating	–22° to 140° F (–30° to 60° C)
	temperature
	Operating humidity	10% to 90% (non-condensing at ambient)
	Non-operating humidity20% 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	4-g peak acceleration
	vibration
	Drop (out of box)	26 in (66 cm) on carpet, six-drop sequence
	Drop (in box)	42 in (107 cm) on concrete, 16-drop
		sequence
Approvals	UL, CSA, FCC, CE Mark, TUV, TUV GS, VCCI, BSMI, C-Tick, MIC,
	USB-IF

Ergonomic compliance ANSI HFS 100, ISO 9241-4, and TUVGS

DA - 13418 Worldwide QuickSpecs — Version 2 — 10.30.2009

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HP 500B manual HP USB Mini-Keyboard Physical Keys, Key-leveling, Mechanisms Cable length