Acer Aspire L100 Technical Information PDF herunterladen (Seite 25)

Chapter 1 17

Power Management Function ( ACPI support function)

Device Standby Mode

q Independent power management timer for hard disk drive devices

(0-15 minutes, time step=1 minute).

q Hard disk drive goes into Standby mode (for ATA standard interface).

q Disable V-sync to control the VESA DPMS monitor.

q Resume method: device activated (Keyboard for DOS, keyboard & mouse for Windows).

q Resume recovery time: 3-5 sec.

Global Standby Mode

q Global power management timer (2-120 minutes, time step=10 minute).

q Hard disk drive goes into Standby mode (for ATA standard interface).

q Disable H-sync and V-sync signals to control the VESA DPMS monitor.

q Resume method: Return to original state by pushing external switch button, modem ring in,

keyboard and mouse for APM mode.

q Resume recovery time: 7-10 sec.

Suspend Mode

q Independent power management timer (2-120 minutes, time step=10 minutes) or pushing external

switch button.

q CPU goes into SMM.

q CPU asserts STPCLK# and goes into the Stop Grant State.

q LED on the panel turns amber colour.

q Hard disk drive goes into SLEEP mode (for ATA standard interface).

q Disable H-sync and V-sync signals to control the VESA DPMS monitor.

q Ultra I/O and VGA chip go into power saving mode.

q Resume method: Return to original state by pushing external switch button, modem ring in,

keyboard and mouse for APM mode.

q Return to original state by pushing external switch button, modem ring in and USB keyboard for

ACPI mode.

ACPI

q ACPI specification 1.0b.

q S0, S1, S3 and S5 sleep state support.

q On board device power management support.

q On board device configuration support.

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Acer Aspire L100 Technical Information Seite 25