Lenovo ThinkPad T400 Service And Troubleshooting Manual page 29

Message
EMM386 Not
Installed - Unable to
Set Page Frame Base
Address.
CardBus
Configuration Error -
Device Disabled
Cannot boot from
any device.
Beep errors
One short beep,
pause, three short
beeps, pause, three
more short beeps,
and one short beep
One long and two
short beeps
Four cycles of four
short beeps
Five beeps
Solution
Edit C:\CONFIG.SYS and change a line from
device=C:\WINDOWS\EMM386.EXE RAM
to
device=C:\WINDOWS\EMM386.EXE NOEMS
and save this file.
Enter the BIOS Setup Utility. Press F9 and then Enter to load
the default setting.
Press F10 and then Enter to restart the system.
Check the status of the device which you want to boot from.
Device not found
Check the device you want to boot from.
Device error
Check the device you want to boot from.
No valid operating system
Check that the operating system has no failure and is
installed correctly.
Excluded from boot order
Open the BIOS Setup Utility and add the device to boot
order.
If only one memory module is installed, make sure that it is
correctly installed in the lower slot. If memory modules are
installed in both of the slots, make sure that they are installed
correctly. If they are, and you still hear the beeps, have the
computer serviced.
The video function has a problem. Have the computer
serviced.
The Security Chip has a problem. Have the computer serviced.
The system board has a problem. Have the computer serviced.
Chapter 3. Solving computer problems
19