Power Management Features - IBM 1200 Hardware Maintenance Manual

1. Remove all power sources including the AC adapter
and battery assembly.
2. Remove the RTC battery from the planar a while then
reinstall it.
Attention:
values if you use this method to remove the power-on or
setup password.
Hard disk password
The hard disk password is the security feature that is used
to protect the hard disk data from unauthorized access.
Attention:
Therefore, if the customer forgets the hard disk password,
the hard disk drive must be replaced.

Power management features

Two power management modes are available in the
computer system to reduce power consumption and to
prolong battery life.
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 CPU enters stop-grant mode.
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 Any key or Easy Launch button operation
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.
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ThinkPad i Series 1200/1300 HMM
The CMOS settings will be restored to default
No overriding capability is provided.