IBM ThinkPad 380Z, User Manual

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If you are using DOS, APM is automatically installed in your
computer. To verify that the computer has installed APM correctly,
type
power
at the command prompt and press Enter. If a screen
similar to the following appears, APM is successfully installed.
Power Management Status
-----------------------
Setting = ADV: REG
CPU: idle 32% of time.
AC Line Status : OFFLINE
Battery status : High
If not, add the following line to your CONFIG.SYS file, using a text
editor such as the DOS Editor:
DEVICE=C:\DOS\POWER.EXE
If you are using Windows 3.1, do the following to check and install
APM for Windows:
1
Start the computer.
Make sure that the current directory is Windows (usually
C:\WINDOWS>).
2
Type
SETUP
at the command prompt and press Enter.
The following appears:
Windows Setup
===============
If your computer or network appears on the Hardware Compatibility List
with an asterisk next to it, press F1 before continuing.
System Information
Computer: MS-DOS System
Display: NeoMagic MagicMedia 256AV 1 24×768 256 small font
Mouse: Microsoft, or IBM PS/2
Note:
If MS-DOS System with APM appears for the item
Computer:, APM is already installed. Press F3 to exit the
setup. Otherwise, go on to step 3.
3
Using the Arrow keys, position the highlighted cursor over
MS-DOS System and press Enter.
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IBM ThinkPad 380Z Online User's Guide