Lenovo ThinkPad 380ED ThinkPad 380 and 380D User's Guide - Page 89

Using Power Management Hibernation Mode Notes: In hibernation mode, all tasks are stopped and the memory data and 1. Using a particular PC Card can the current status of the computer are stored on the hard disk drive; disable hibernation mode. (See then power is turned off. No battery power is used. When power is page 72.) turned on again, the computer automatically restores the tasks and 2. With a base memory of 16MB, it resumes normal operation. takes approximately 10 seconds to enter hibernation mode and 18 To enter hibernation mode, press Fn+ F12. When the computer seconds to resume normal enters hibernation mode, you hear one short beep. A graphical operation. (The time to enter or message appears and suspend mode indicator lamp blinks; then a exit hibernation mode depends short beep sounds again to inform you that the computer has on the computer memory size, and application.) entered hibernation mode. To return to normal operation, press the power switch. Before you can use hibernation mode, you must first create a hibernation file. See the next section. Creating the Hibernation File Attention: The hibernation file must not be created in a compressed data area of the hard disk. When installing an operating system or installing additional computer memory, you must create a hibernation file on the hard disk drive to use hibernation mode. (You need to create the hibernation file only once after installing an operating system or additional memory.) The size of the hibernation file will be approximately 1MB greater than total memory. For example, if you have installed an optional 16MB memory module (DIMM) and since the base memory is 16MB, the hibernation file is 33MB: (16MB + 16MB) + 1MB = 33MB Chapter 4. Using Battery Power 69