Power Management Function ACPI support function

Device Standby Mode

  • Independent power management timer for hard disk drive devices (0-15 minutes, time step=1 minute).
  • Hard disk drive goes into Standby mode (for ATA standard interface).
  • Disable V-sync to control the VESA DPMS monitor.
  • Resume method: device activated (Keyboard for DOS, keyboard & mouse for Windows).
  • Resume recovery time: 3-5 sec.

Global Standby Mode

  • Global power management timer (2-120 minutes, time step=10 minute).
  • Hard disk drive goes into Standby mode (for ATA standard interface).
  • Disable H-sync and V-sync signals to control the VESA DPMS monitor.
  • Resume method: Return to original state by pushing external switch button, modem ring in, keyboard and mouse for APM mode.
  • Resume recovery time: 7-10 sec. Suspend Mode
  • Independent power management timer (2-120 minutes, time step=10 minutes) or pushing external switch button.
  • CPU goes into SMM.
  • CPU asserts STPCLK# and goes into the Stop Grant State.
  • LED on the panel turns amber colour.
  • Hard disk drive goes into SLEEP mode (for ATA standard interface).
  • Disable H-sync and V-sync signals to control the VESA DPMS monitor.
  • Ultra I/O and VGA chip go into power saving mode.
  • Resume method: Return to original state by pushing external switch button, modem ring in, keyboard and mouse for APM mode.
  • Return to original state by pushing external switch button, modem ring in and USB keyboard for ACPI mode.

ACPI

  • ACPI specification 1.0b.
  • S0, S1, S3 and S5 sleep state support.
  • On board device power management support.
  • On board device configuration support.

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  • Laura
    What is acpi led function?
    9 years ago
  • abel
    What is acpi acer aspire 3680?
    9 years ago
  • jenna
    How to turn off travelmate 2200 monitor?
    9 years ago

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