Acer Aspire SA85 Información técnica descargar pdf (Pagina 28)

22 Chapter 1

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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Acer Aspire SA85 Información técnica Pagina 28