Power Management; Automatic Configuration And Power Interface (Acpi) Bios; Automatic Power-On Features - Lenovo ThinkCentre 7515 Maintenance Manual

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
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.
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
computer and monitor to electrical outlets. See "Completing the FRU
replacement" on page 120 or "Completing the FRU replacement" on page 155.
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 11. Additional service information
381