IBM ThinkPad R30, Hardware Maintenance Manual

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Standby mode
When in standby mode, the following occurs:
v
The LCD backlight turns off.
v
The hard disk motor either spins down or stops
(controlled by OS).
v
Suspend LED turns on.
Events that cause the computer to enter standby mode:
Note: These events depend on the Power button, Sleep
button and Lid settings (options set to standby
mode) in the
″
Advanced
″
page of the
″
Power
Management Properties
″
screen.
v
Standby requested by the Sleep button (Fn+F4)
v
Standby requested by the power button
v
Standby requested by closing the lid.
Events that cause the computer to exit standby mode:
v
RTC alarm
v
Power-on switch is operated
v
Fn key is pressed
v
The LCD is opened (if the system entered standby
mode from closing the lid).
Note: This is true if When I close the lid of my
portable computer: is set to Standby in the
″
Advanced
″
page of the
″
Power Management
Properties
″
screen.
v
An embedded modem signals the modem ring indicator
v
The battery power is at a critical level.
Display off mode
When in display off mode, the following occur:
v
The LCD backlight turns off.
Events that cause the computer to enter display off mode:
v
Hotkey : Fn+F3
Events that cause the computer to exit display off mode:
v
Anykey or mouse operation
Hibernation mode
When in hibernation mode, the following occurs:
v
The system status, RAM, VRAM, and setup data are
stored on the hard disk.
v
The system is powered off.
Events that cause the computer to enter hibernation mode:
MT 2656, 2657, 2676
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