Preinstalled operating system
Your computer is preinstalled with one of the following operating systems:
• Microsoft Windows 7 operating system
• Microsoft Windows 8.1 operating system
Operating system(s), certified or tested for compatibility (varies by model type)
The operating system(s) listed here are being certified or tested for compatibility at the time this publication
goes to press. Additional operating systems might be identified by Lenovo as compatible with your computer
following the publication of this manual. This list is subject to change. To determine if an operating system
has been certified or tested for compatibility, check the Web site of the operating system vendor.
®
• Linux
Specifications
This section lists the physical specifications for your computer.
Dimensions
Width: 175 mm (6.89 inches)
Height: 376 mm (14.80 inches)
Depth: 426 mm (16.77 inches)
Weight
Maximum configuration as shipped: 13 kg (28.66 lb)
Environment
• Air temperature:
Operating: 10°C to 35°C (50°F to 95°F)
Storage in original shipping package: -40°C to 60°C (-40°F to 140°F)
Storage without package: -10°C to 60°C (14°F to 140°F)
• Humidity:
Operating: 20% to 80% (non-condensing)
Storage: 20% to 90% (non-condensing)
• Altitude:
Operating: -15.2 to 3048 m (-50 to 10 000 ft)
Storage: -15.2 to 10 668 m (-50 to 35 000 ft)
Electrical input
Input voltage: From 100 V ac to 240 V ac
Input frequency: 50/60 Hz
Lenovo programs
Your computer comes with Lenovo programs to help you work more easily and securely. Depending on
the Windows operating system preinstalled, the programs might vary.
Accessing Lenovo programs on the Windows 7 operating system
You can access Lenovo programs on the Windows 7 operating system through Windows Search or from
Control Panel. The icon name displayed in the search result or Control Panel might be different from the
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ThinkStation P300 User Guide