Lenovo NetVista Hardware Maintenance Manual (HMM) for IBM NetVista 6826, 8317, - Page 113
Power management, Automatic configuration and power interface (ACPI) BIOS, Advanced Power Management
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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 Power Management and Rapid Resume™ Manager are features of some personal computers. 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 are ignored. Not all operating systems support ACPI BIOS mode. Advanced Power Management Energy-saving settings can be viewed and changed by using the Advanced Power Management menu in the Configuration/Setup Utility program. Attention: If a device, such as a monitor, does not have power-management capabilities, it can be damaged when exposed to a reduced-power state. Before making energy-saving selections for the monitor, check the documentation supplied with the monitor to see if it supports Display Power Management Signaling (DPMS). Automatic Hardware Power Management features Automatic Hardware Power Management can reduce the power states of the computer, processor, and monitor (if the monitor supports DPMS) if they are inactive for a predetermined length of time. Set the time for the system to enter a low-power state. You can define the amount of energy savings by specifying values for the following options. v System Power - Select On for the computer to remain on. - Select Off for the computer to shut down. 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 Serial Port A Ring Detect: With this feature set to Enabled and an external modem connected to serial port (COM1), the computer will turn on automatically when a ring is detected on the modem. v PCI Modem Ring Detect: With this feature set to Enabled , the computer will turn on automatically when a ring is detected on the internal modem. v PCI Wake Up: This feature allow PCI cards that support this capability to wake the system. v Wake Up on Alarm: 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. v 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 Chapter 9. Additional Service Information 107