IBM ThinkPad T20, Hardware Maintenance Manual

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Related service information
4. Select Hard-disk x password, where x is the letter of
the hard-disk drive. A pop-up window opens.
5. Select either User only or User.
6. Enter the password; then leave the New Password
field blank and press Enter twice.
7. Press F10.
8. Select Yes in the Setup Configuration window.
The HDP has been removed.
Power management
To reduce power consumption, the computer has three
power management modes: screen blank, standby, and
hibernation.
Screen blank mode:
In screen blank mode, the
following occurs:
Ÿ
The LCD backlight turns off.
Ÿ
The hard-disk drive motor stops.
Ÿ
The speaker is muted.
Note: Screen blank mode in Windows 98 is called
standby mode in Windows 95.
To enter screen blank mode, press Fn
+
F3. To end
screen blank mode and resume normal operation, press
any key.
Standby mode:
When the computer enters standby
mode, the following events occur in addition to what occurs
in screen blank mode:
Ÿ
The LCD is powered off.
Ÿ
The hard-disk drive is powered off.
Ÿ
The CPU stops.
Note: Standby mode in Windows 98 is called suspend
mode in Windows 95 and Windows NT.
To enter standby mode, press Fn
+
F4.
In certain circumstances, the computer goes into standby
mode automatically:
Ÿ
If a “suspend time” has been set on the timer, and the
user does not do any operation with the keyboard, the
TrackPoint, the hard-disk, the parallel connector, or
the diskette drive within the time set.
Ÿ
If the ac adapter is plugged in.
Ÿ
If the battery indicator blinks orange, indicating that
the battery power is low. (Alternatively, if Hibernate
when battery becomes low has been selected in the
“Power Management Properties” window, the
computer goes into hibernation mode.)
Note: Even if you don't set the low-battery alarm, the
charge indicator lets you know that the battery is
low, and then the computer enters the
General descriptions
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