Lenovo T41/T41P, T42/T42P manual Hibernation mode

Related service information

computer enters the power-saving mode automatically. This default low-battery behavior is independent of the operating system; so if you have set the low-battery alarm, the computer may not do what you specified. It chooses either your setting or the default setting, whichever is appropriate.

If you are using the ACPI operating system, only the low-battery alarm is available.

To cause the computer to return from standby mode and resume operation, do one of the following:

vPress the Fn key.

vOpen the LCD cover.

vTurn on the power switch.

Also, in either of the following events, the computer automatically returns from standby mode and resumes operation:

vThe ring indicator (RI) is signaled by a serial device or a PC Card device.

vThe time set on the resume timer elapses.

Note: The computer does not accept any input immediately after it enters standby mode. Wait a few seconds before taking any action to reenter operation mode.

Hibernation mode

Note for OS/2

If you are using OS/2 in the default format, HPFS, you cannot create a hibernation file. If you want to use hibernation mode, you will need to reinstall OS/2 with FAT format.

In hibernation mode, the following occurs:

vThe system status, RAM, VRAM, and setup data are stored on the hard disk.

vThe system is powered off.

Note: If the computer enters the hibernation mode while it is docked to the docking station, do not undock it before resuming normal operation. If you do undock it and then try to resume normal operation, you will get an error message, and you will have to restart the system.

To cause the computer to enter hibernation mode, do any of the following:

vPress the Fn+F12 keys.

General descriptions 33