Specifications
Size
14-inch model
v Width: 311 mm (12.2 in.)
v Depth: 255 mm (10.0 in.)
v Height: 26.6 to 31.4 mm (1.0 to 1.2 in.)
15-inch model
v
Width: 330 mm (13.0 in.)
v Depth: 266.7 mm (10.5 in.)
v Height: 27.7 to 32.5 mm (1.09 to 1.28 in.)
Environment
v Maximum altitude without pressurization: 3048 m (10,000 ft)
v Temperature
– At altitudes up to 2438 m (8000 ft)
- Operating with no diskette: 5° to 35°C (41° to 95°F)
- Operating with a diskette: 10° to 35°C (50° to 95°F)
- Not operating: 5° to 43°C (41° to 110°F)
–
At altitudes above 2438 m (8000 ft)
- Maximum operating temperature, 31.3°C (88° F)
Note:
When you charge the battery pack, its temperature must be at least
10°C (50°F).
v Relative humidity:
– Operating with no diskette in the drive: 8% to 90%
– Operating with a diskette in the drive: 8% to 80%
Heat output
v 72 W (246 Btu/hr) maximum
Power source (ac adapter)
v Sine-wave input at 50 to 60 Hz
v Input rating of the ac adapter: 100-240 V ac, 50 to 60 Hz
Battery pack
v Lithium-ion (Li-Ion) battery pack
– Nominal voltage: 10.8 V dc
– Capacity: 4.4 AH/4.8 AH/7.2 AH (on some models)
Specifications
4 ThinkPad
®
T40 Series Service and Troubleshooting Guide
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