QuickSpecs

HP Compaq dc7800 Business PC

Technical Specifications - Input/Output Devices

 

Communication

From card

Programmable from

 

 

 

9,600 baud to 115,200

 

 

 

baud

 

 

From computer

Up to 38,400 baud

 

Landing mechanism

Contact device

Friction contact

 

 

Card insertions rating Up to 100,000 insertion

 

 

 

cycles

 

Interface modes

USB communications through USB port

 

 

SCM protocol

 

 

 

Automatic card insertion/removal detection

 

Reader performance

USB connection

 

 

interface

 

 

 

Electro-magnetic

Europe

89/336/CEE guideline

 

standards

USA

USAFCC part 15

 

 

 

 

 

HP USB Gray Keyboard Physical

Keys

104, 105, 106, 107, 109 layout (depending

characteristics

 

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)

 

Weight

2 lb (0.9 kg) minimum

 

Electrical

Operating voltage

+ 5VDC ± 5%

 

 

Power consumption

50-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

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

 

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 humidity

20% to 80% (non-condensing at ambient)

 

Operating shock

40 g, six surfaces

 

 

Non-operating shock

80 g, six surfaces

 

DA - 12744 North America — Version 25 — May 16, 2008

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HP Gtech G-Technology G-Drive Mobile 1 Tb External Hard Drive DC7800 manual Usa