QuickSpecs
HP Compaq dc7800 Business PC
Technical Specifications - Input/Output Devices
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| Interface modes | USB communications through USB port |
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| SCM protocol |
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| Automatic card insertion/removal detection |
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| Reader performance | USB connection |
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| interface |
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| Europe | 89/336/CEE guideline |
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| standards | USA | USAFCC part 15 |
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HP USB Gray Keyboard Physical | Keys | 104, 105, 106, 107, 109 layout (depending |
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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) |
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| Weight | 2 lb (0.9 kg) minimum |
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| Electrical | Operating voltage | + 5VDC ± 5% |
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| Power consumption |
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| System interface | USB Type A plug connector |
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| ESD | CE level 4, |
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| EMI – RFI | Conforms to FCC rules for a Class B |
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| computing 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 |
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| Switch life | 20 million keystrokes (using Hasco modified |
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| tester) |
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| Switch type |
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| For all |
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| mechanisms |
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| Cable length | 6 ft (1.8 m) |
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| Microsoft PC 99 – 2001 | Mechanically compliant |
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| Acoustics |
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| 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% |
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| Operating shock | 40 g, six surfaces |
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| 80 g, six surfaces |
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| Operating vibration |
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| vibration |
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| Drop (out of box) | 26 in (66 cm) on carpet, |
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| Drop (in box) | 42 in (107 cm) on concrete, |
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| sequence |
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| Approvals | UL, CSA, FCC, CE Mark, TUV, TUV GS, VCCI, BSMI, |
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| Prufzert Mark |
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| Ergonomic compliance ANSI HFS 100, ISO |
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| Kit contents | Keyboard, installation guide, warranty card, safety and comfort guide |
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DA - 12744 Worldwide QuickSpecs — Version 13 — 12.14.2007 | Page 38 |