Physical specifications
- Width: 260.0 mm (10.2 in)
- Depth: 202.0 mm (8.0 in)
- Height: 26.6 mm (1.05 in)
- Weight: 1.3 kg (2.9 lbs) for 51x models with standard three-cell battery
- Weight: 1.49 kg (3.28 lbs) for 61x models with standard six-cell 4 battery
Actual weight may vary depending on vendor components, manufacturing process, or options. Weight does not include external diskette drive.
Electrical specifications
- Universal AC adapter: 100-240 V AC, 1.2-0.7A, 50 to 60 Hz
- Li-Ion battery pack: 11.1 V, 1.4 AH
Heat dissipation
Acoustic noise level
- Class 3D (office environment)
- Sound pressure level (operator position): 40 dB (operating)
- Sound power level: 5.1 Bels (operating), 4.8 Bels (idling)
NOTE: The noise emission level stated is the declared (upper limit) sound power level, in Bels, for a random sample of machines, typically configured, and operating in idle mode; for example, powered on, but no DASD read/write or other I/O activity. All measurements made in accordance with ANSI S12.10, and reported in conformance with ISO 9296.
Operating environment
ThinkPad computers are designed, built, and tested for high quality and reliability. When used properly in standard business environments, a ThinkPad system should be a reliable computing asset for many years. However, harsh environments and abuse can damage ThinkPad systems. They are not intended to withstand extreme temperatures, dust, shock, or other severe physical environments. ThinkPad systems should not be used in unsuitable environments. For example, a ThinkPad system should not be used in non-stationary environments, such as in-vehicle installations, without an additional casing or shock dissipation. IBM warrants that the ThinkPad will conform to its Official Published Specifications when used in a suitable physical operating environment.
Air Temperature: 0 to 8,000 ft
- Operating: 5 degrees to 35 degrees C (41 degrees to 95 degrees F) (without diskette)*
- Operating: 10 degrees to 35 degrees C (50 degrees to 95 degrees F) (with diskette)*
- System off: 5 degrees to 43 degrees C (41 degrees to 110 degrees F)
- Storage/shipment: -20 degrees to 60 degrees C (-4 degrees to 140 degrees F)
- Wet bulb (maximum): 29.4 degrees C (85 degrees F)
Air Temperature: 8,000 to 10,000 ft
- Operating: 5 degrees to 31.3 degrees C (41 degrees to 88 degrees F) (without diskette)*
- Operating: 10 degrees to 31.3 degrees C (50 degrees to 88 degrees F) (with diskette)*
- System off: 5 degrees to 43 degrees C (41 degrees to 110 degrees F)
- Storage/shipment: -20 degrees to 60 degrees C (-4 degrees to 140 degrees F)
- Wet bulb (maximum): 25.7 degrees C (78 degrees F)
* Without frosting or condensing
NOTE: The maximum temperature when the system on is linearly decreased from 8,000 ft to 10,000 ft.
Relative humidity
- Operating: 8% to 95% (without diskette)
- Operating: 8% to 80% (with diskette)
- Storage/shipment: 5% to 95%
Altitude
- 10,000 ft maximum (3,048 m)
Agency approvals
System Unit
- FCC Class-B
- VCCI CLASS B
- UL-1950
- MOC
- CCIB
- BCIQ
- CB Report
- MPR-II
- ACA
- RFS449
- CE Mark
Software requirements
The following operating systems support the ThinkPad 240X. Refer to the Limitations section for support issues unique to each operating system.
- Microsoft Windows 2000
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows NT Workstation 4.0
(AP, LA, CAN, EMEA) - Windows 2000
- Windows 95
- Windows 98
- Windows NT Workstation V4.0
NOTE: Previous versions of these operating systems are not supported; for example, Windows 3.0, MS-DOS 6.0, and more. DOS support is limited to system BIOS support for operating system installation and PC Doctor DOS support.
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