Power Management; Automatic Configuration And Power Interface (Acpi) Bios; Automatic Power-On Features - Lenovo ThinkCentre A58 Hardware Maintenance Manual

10. Repeat steps 2 through 4.
11. Move the jumper back to the standard position (pin 1 and pin 2).
12. Reconnect any cables that were disconnected. Then, reinstall the computer
13. Turn on the computer to restart the operating system.

Power management

Power management reduces the power consumption of certain components of the
computer such as the system power supply, processor, hard disk drives, and some
monitors.

Automatic configuration and power interface (ACPI) BIOS

Being an ACPI BIOS system, the operating system is allowed to control the power
management features of the computer and the setting for Advanced Power
Management (APM) BIOS mode is ignored. Not all operating systems support
ACPI BIOS mode.

Automatic Power-On features

The Automatic Power-On features within the Power Management menu allow you
to enable and disable features that turn on the computer automatically.
v RTC resume: You can specify a date and time at which the computer will be
v Wake on LAN: If the computer has a properly configured token-ring or Ethernet
3. Locate the Clear CMOS /Recovery jumper on the system board. Refer to
"Locating parts on the system board" on page 90.
4. Remove any cables that might prevent your access to the Clear CMOS
/Recovery jumper.
5. Move the jumper from the standard position (pin 1 and pin 2) to the
maintenance position (pin 2 and pin 3).
6. Reconnect any cables that were disconnected. Then, reinstall the computer
cover and reconnect the power cords for the computer and monitor to
electrical outlets. Refer to "Completing the parts replacement" on page 118.
7. Turn on the computer and the monitor. Then, insert the POST/BIOS update
(flash update) disc into the optical drive.
8. Turn the computer off and back on again. The recovery begins.
9. The recovery session will take two to three minutes. During this time you will
hear a series of beeps. After the session is completed, there will be no video,
the series of beeps will end, and the computer will automatically turn off.
Remove the disc from the optical drive before the computer completely turns
off.
cover and reconnect the power cords for the computer and monitor to
electrical outlets. Refer to "Completing the parts replacement" on page 118.
turned on automatically. This can be either a single event or a daily event.
LAN adapter card that is Wake on LAN-enabled and there is remote network
management software, you can use the Wake on LAN feature. When you set
Wake on LAN to Enabled, the computer will turn on when it receives a specific
signal from another computer on the local area network (LAN).
Chapter 10. Additional service information
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