IBM 1412 - Manual (Page 20)

Note: If the computer enters standby mode and the com-
puter is using a communication or I/O PC Card, the
PC Card and application program remain active.
Hibernation Mode
When in hibernation mode, the following occurs:
The system status, RAM, VRAM, and setup data are
stored on the hard disk.
The system is powered off.
Events that cause the computer to enter hibernation mode:
Function combination key (Fn+F12) is pressed.
The battery power is at a critically-low level.
Note: Before entering standby mode, if "Battery-low
Warning Beep" in the Power Management
menu of the BIOS Utility is set to "Enabled",
four short beeps will be issued every minute
for three minutes.
The system (keyboard, mouse, hard disk drive, par-
allel connector, or diskette drive, etc.) is idle for a
certain period of time.
Note: The computer cannot enter hibernation mode when
the computer is using a communication or I/O PC
Card.
Events that cause the computer to exit hibernation mode:
The power-on switch is operated.
When power is turned on, the hibernation history in the
boot record on the hard disk is recognized and the system
status is restored from the hard disk to resume operation.
16 ThinkPad i Series 1400