Power 3-13
To leave standby mode and return to normal mode:
Press any key Move the active pointing device (internal or external, PS/2 or serial) Resume Timer is set and matched Opening the display cover If an incoming PC card modem event occurs and the Modem Ring
Resume On Indicator is enabled, the notebook returns to normal mode.
If the notebook detects a PC I/O card (e.g., modem card, ZV
card) installed in the PC card slots, the notebook can only enter
standby mode, and not hibernation mode.

3.2.2 Advanced Power Management (APM)

This notebook supports the APM standard designed to further reduce
system power consumption. APM is a power-management approach
defined jointly by Microsoft and Intel. An increasing number of software
supports APM to take advantage of power saving features and allows
greater system availability without degrading performance.
DOS
You can use the APM feature under the DOS environment by including the
POWER.EXE command in the CONFIG.SYS file. See the MS-DOS
manual for instructions on how to edit the CONFIG.SYS file. For more
information about APM, type the following at the DOS prompt:
HELP POWER.EXE e