
QuickSpecs
Compaq Evo Desktop D300/300s
Technical Specifications – Input/Output Devices
| Compaq  | Scroll Wheel | 8 mm | 
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 | Maximum Rotation Speed | 30 mm/s | 
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 | Switch Type | Light force  | 
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 | Switch Life | 1 million operations | 
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 | Mechanical Life | Minimum 200,000 revolutions | 
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 | Environmental | Operating Temperature | 50° to 122° F/10° to 50° C | 
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 | − 22° to 140° F/− 30° to 60° C | |
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 | Operating Humidity | 10% to 90% (non condensing at | 
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 | ambient) | 
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 | 20% to 80% (non condensing at | |
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 | ambient) | 
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 | Operating Shock | 40 g, 6 surfaces | 
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 | 80 g, 6 surfaces | |
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 | Operating Vibration | 2 g peak acceleration | 
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 | 4 g peak acceleration | |
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 | Electrical | Operating Voltage | + 5VDC ± 10% | 
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 | Power Consumption | 15mA | 
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 | System Consumption | PS/2  | 
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 | ESD | CE level 4, 15 kV air discharge | 
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 | Conforms to FCC rules for a Class B | |
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 | computing device | 
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 | PC98 | Functionally compliant | 
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 | Mechanical | Resolution | 400 ± 20% DPI | 
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 | Tracking Speed | 10 in/s maximum | 
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 | Acceleration | 100 in/s | 
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 | Switch Actuation | 85 g nominal peak force | 
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 | Switch Life | 1,000,000 operations (using Hasco | 
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 | modified tester) | 
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 | Cable Length | 2 m | 
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 | Mechanically compliant | |
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 | Regulatory Approvals | UL, CSA, FCC, CE Mark, TUV, TUV GS, VCCI, BCIQ,  | |
| North America — Version 13 — May 9, 2002 | 28 |