Lenovo ThinkPad 380 User's Guide for TP 380XD, TP 385XD - Page 122
Considerations When Using a Power Management Mode, Considerations for Suspend Mode
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Saving Battery Power Considerations When Using a Power Management Mode When you use a power management mode, you need to consider a few points, especially if you are using the network. Considerations for Suspend Mode Consider the following before using suspend mode: The computer can enter suspend mode when used with the following operating systems: - IBM PC-DOS Version 7.0 - IBM OS/2 Warp Version 4 - Microsoft Windows Version 3.11 with IBM PC-DOS Version 7.0 - Microsoft Windows 95 - Microsoft Windows NT 4.0 Important If you use Windows Version 3.11, ensure that Advanced Power Management (APM) is installed according to the instructions in page 107. Attached devices, such as a printer or serial device, stop running when the computer enters suspend mode. When you resume normal operation, the output might differ from what you expect, because the device might be reset or lose its configuration settings. Sometimes you might want to use the computer with the LCD closed-for example, when an external monitor and keyboard are used. In such a case, turn on the computer with the LCD closed or enable Will not suspend even if LCD is closed option in Suspend/Resume options in Power Management of the ThinkPad Configuration program. If the computer resumes normal operation by enabling Resume on timer or Resume on incoming call option in Suspend/Resume options in Power Management of the 102 IBM ThinkPad 380XD/385XD User's Guide