Lenovo ThinkCentre M58p Hardware Maintenance Manual - Page 569

Power management, Automatic configuration and power interface (ACPI) BIOS, Automatic Power-On features

Page 569 highlights

13. Move the jumper back to the standard position (pin 1 and pin 2). 14. Reconnect any cables that were disconnected. 15. Reinstall or close the computer cover and reconnect the power cords for the computer and monitor to electrical outlets. See "Completing the FRU replacement" on page 103 or "Completing the FRU replacement" on page 131. 16. 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. • 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 561

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13. Move the jumper back to the standard position (pin 1 and pin 2).
14. Reconnect any cables that were disconnected.
15. Reinstall or close the computer cover and reconnect the power cords for the computer and monitor
to electrical outlets. See “Completing the FRU replacement” on page 103 or “Completing the FRU
replacement” on page 131.
16. 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.
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
561