IBM 1412 - Manual (Page 18)

Navigating the BIOS Utility
Keep in mind the following when using the BIOS Utility:
From the main menu screen, press the up or down
arrow keys to move from one menu item to another;
then press Enter to enter the selected menu.
Parameters displayed in low brightness (grayed out)
are not user-configurable. The computer detects and
sets the values for these parameters.
Press the up or down arrow keys to move from one
parameter to another. Press the left or right arrow
keys to change parameter settings. You have to
change some settings when you add a component to
the computer.
Most of the parameters are self-explanatory.
To exit a main menu item, press Esc.
When you press Esc to exit the BIOS Utility from the
main menu screen, the following prompt appears:
Select Yes to save the changes you made to the con-
figuration values or No to abandon the changes and
retain the current values.
14 ThinkPad i Series 1400