QuickSpecs
HP Compaq dc7800 Business PC
Technical Specifications - Input/Output Devices
| Communication | From card | Programmable from |
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| 9,600 baud to 115,200 |
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| baud |
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| From computer | Up to 38,400 baud |
| Landing mechanism | Contact device | Friction contact |
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| Card insertions rating Up to 100,000 insertion | |
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| cycles |
| Interface modes | USB communications through USB port | |
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| SCM protocol |
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| Automatic card insertion/removal detection | |
| Reader performance | USB connection |
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| interface |
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| Europe | 89/336/CEE guideline | |
| standards | USA | USAFCC part 15 |
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HP USB Gray Keyboard Physical | Keys | 104, 105, 106, 107, 109 layout (depending | |
characteristics |
| upon country) |
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| 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 |
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Electrical | Operating voltage | + 5VDC ± 5% |
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| Power consumption | ||
| System interface | USB Type A plug connector | |
| ESD | CE level 4, | |
| EMI – RFI | Conforms to FCC rules for a Class B computing | |
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| device |
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| Microsoft PC 99 – 2001 | Functionally compliant |
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Mechanical | Languages | 38 available |
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| Keycaps |
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| Switch actuation | ||
| Switch life | 20 million keystrokes (using Hasco modified | |
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| tester) |
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| Switch type | ||
| For all | ||
| Cable length | 6 ft (1.8 m) |
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| Microsoft PC 99 – 2001 | Mechanically compliant | |
| Acoustics | ||
Environmental | Operating temperature | 50° to 122° F (10° to 50° C) | |
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| temperature |
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| Operating humidity | 10% to 90% | |
| 20% to 80% | ||
| Operating shock | 40 g, six surfaces |
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| 80 g, six surfaces |
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DA - 12744 North America — Version 25 — May 16, 2008 | Page 49 |