Acer Aspire E380 Technical Information Seite 29

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Chapter 1 23
Power Management Function (ACPI support function)
Device Standby Mode
T Independent power management timer for hard disk drive devices
(0-15 minutes, time step=1 minute).
T Hard disk drive goes into Standby mode (for ATA standard interface).
T Disable V-sync to control the VESA DPMS monitor.
T Resume method: device activated (Keyboard for DOS, keyboard & mouse for Windows).
T Resume recovery time: 3-5 sec.
Global Standby Mode
T Global power management timer (2-120 minutes, time step=10 minute).
T Hard disk drive goes into Standby mode (for ATA standard interface).
T Disable H-sync and V-sync signals to control the VESA DPMS monitor.
T Resume method: Return to original state by pushing external switch button, modem ring in,
keyboard and mouse for APM mode.
T Resume recovery time: 7-10 sec.
Suspend Mode
T Independent power management timer (2-120 minutes, time step=10 minutes) or pushing external
switch button.
T CPU goes into SMM.
T CPU asserts STPCLK# and goes into the Stop Grant State.
T LED on the panel turns amber colour.
T Hard disk drive goes into SLEEP mode (for ATA standard interface).
T Disable H-sync and V-sync signals to control the VESA DPMS monitor.
T Ultra I/O and VGA chip go into power saving mode.
T Resume method: Return to original state by pushing external switch button, modem ring in,
keyboard and mouse for APM mode.
T Return to original state by pushing external switch button, modem ring in and USB keyboard for
ACPI mode.
ACPI
T ACPI specification 1.0b.
T S0, S1, S3 and S5 sleep state support.
T On board device power management support.
T On board device configuration support.
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