IBM R40 manual Specifications

Specifications

Specifications

Size

With a 13.3 or 14.1–inch display:

vWidth: 313 mm (12.3 in.)

vDepth: 254 mm (10.0 in.)

vHeight: 38.8 mm (1.53 in.)

With a 15.0–inch display:

vWidth: 329 mm (13.0 in.)

vDepth: 267.5 mm (10.5 in.)

vHeight: 40.5 mm (1.59 in.)

Environment

vMaximum altitude without pressurization: 3048 m (10,000 ft)

vTemperature

–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).

vRelative humidity:

–Operating with no diskette in the drive: 8% to 95%

–Operating with a diskette in the drive: 8% to 80%

Heat output

v72 W (246 Btu/hr) maximum

Power source (ac adapter)

vSine-wave input at 50 to 60 Hz

vInput rating of the ac adapter: 100-240 V ac, 50 to 60 Hz

Battery pack (depending on the model)

v8 cell Lithium-ion (Li-Ion) battery pack

–Nominal voltage: 14.4 V dc

–Capacity: 4.0 AH

Chapter 1. Overview of your new ThinkPad computer 5