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Chapter 1
Power Management Function (ACPI Support Function)
Device Standby Mode
•
Independent power management timer for hard disk drive devices (zero to 15 minutes, time step = one
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: three to five seconds.
Global Standby Mode
•
Global power management timer (two to 120 minutes, time step = 10 minutes).
•
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: seven to 10 seconds.
Suspend Mode
•
Independent power management timer (two to 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
•
Onboard device power management support
•
Onboard device configuration support
Summary of Contents for Aspire iDea 500 Series
Page 14: ...Chapter 1 5 Block Diagram ...
Page 15: ...6 Chapter 1 Main Board Placement ...
Page 16: ...Chapter 1 7 ...
