IBM RT-686 Laptop User Manual


 
Useful Information
11
The ROM BIOS Power On Self Test (POST)
Each time the computer powers on, it automatically performs a self-test of its
memory and hardware devices.
Suspend/Resume
The system can enter suspend mode by either pressing the power switch or
staying idle till Suspend Timeout. Windows “Suspend”, ”Standby” can also
activate the function.
Please refer “BIOS Setup Power Management“ for details.
Note: Suspend/Resume works under both AC adapter and battery mode.
“Hibernate” may not work under Windows NT or other non-Windows
operating systems.
Shutdown
The following procedure is recommended in shutting down the computer:
1. Save any work you want to keep into the disk.
2. Make sure none of the disk drives are active (HDD, FDD, and CD-ROM
drive).
3. Remove any diskette from the FDD.
4. Proceed the shut down procedure of your Operating System
5. Let the computer shut down or push the Power Switch to turn OFF.
Failure to shut down the computer properly may result in loss of data or hardware
damages.
Automatic shut down is activated at battery exhaust. Be sure to finish your work
and save all your data when the battery low warning appears.
RTC
Battery backed up RTC (Real Time Clock/Calendar) is built in an on-board
CMOS (Complementary Metal Oxide Semiconductor) chip. The RTC keeps
track of the time and date while the computer is off. The CMOS chip also stores
system setup information.
RTC battery is also recharged when AC adapter is attached. Recharge the
computer approximately once per month to ensure RTC operation.