Acer Aspire T100 Aspire T100/SV Service Guide - Page 28

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 1.0. ! S0, S1, S3 and S5 sleep state support. ! On board device power management support. ! On board device configuration support. Chapter 1 21