Lenovo M91p 4480 User Manual page 18

Preinstalled operating system
Your computer is preinstalled with one of the following operating systems:
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• Microsoft Windows
• Microsoft Windows Vista
Operating system(s), certified or tested for compatibility
®
• Linux
• Microsoft Windows XP Professional SP 3
1. 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.
4
ThinkCentre User Guide
7
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1 (varies by model type)