Acer Veriton 3000 Veriton 3000 Service Guide - Page 25

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 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 color 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, if Super I/O and VGA have this feature. T Return to original state by pushing external switch button, modem ring in, keyboard and mouse at APM mode. T Return to original state by pushing external switch button, modem ring in and USB keyboard at ACPI mode. Chapter 1 19