Power Management; Advanced Configuration And Power Interface (Acpi) Bios; Automatic Power-On Features - Lenovo ThinkCentre 0267 Hardware Maintenance Manual
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- Hardware maintenance manual (350 pages) ,
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2. Remove or open the computer cover. For machine types 0268, 1730, 1943, 4166, 4169, 5030, 5048,
5069, and 7517, see "Removing the computer cover" on page 79. For machine types 0267, 0385, 1981,
4167, 5025, 5032, 5049, 5070, and 7518, see "Opening the computer cover" on page 121.
3. Locate the Clear CMOS /Recovery jumper on the system board. See "Locating parts on the system
board" on page 77.
4. Remove any parts and disconnect 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. Reinstall any parts and reconnect any cables that have been removed or disconnected.
7. Reinstall or close the computer cover and reconnect the power cords for the computer and monitor.
For machine types 0268, 1730, 1943, 4166, 4169, 5030, 5048, 5069, and 7517, see "Completing the
parts replacement" on page 113. For machine types 0267, 0385, 1981, 4167, 5025, 5032, 5049, 5070,
and 7518, see "Completing the parts replacement" on page 160.
8. Turn on the computer and then insert the POST and BIOS update (flash update) disc into the optical
drive. Wait a few minutes. Then, the recovery session begins. The recovery session will take two to
three minutes. During this time, a warning message will be displayed and no action is needed from you.
9. After the recovery session is completed, there will be no video, and your computer will automatically
turn off.
10. Repeat step 1 through step 4.
11. Move the jumper back to the standard position (pin 1 and pin 2).
12. Reinstall any parts and reconnect any cables that have been removed or disconnected.
13. Reinstall or close the computer cover and reconnect power cords and all other external cables. For
machine types 0268, 1730, 1943, 4166, 4169, 5030, 5048, 5069, and 7517, see "Completing the parts
replacement" on page 113. For machine types 0267, 0385, 1981, 4167, 5025, 5032, 5049, 5070, and
7518, see "Completing the parts replacement" on page 160.
14. Turn on the computer and remove the disc from the optical drive.
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.
Advanced 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.
• RTC resume: You can specify a date and time at which the computer will be turned on automatically.
This can be either a single event or a daily event.
• Wake on LAN: If the computer has a properly configured token-ring or Ethernet 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 11
Additional service information
343
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