48 Advanced Features• Standby. In this sleep mode, power is reduced or turned off for manycomponents. However, system memory remains active.NOTE: Hibernate mode is only supported on computers with 4-GB of RAM orless.• Hibernate. This sleep mode reduces power consumption to a minimum bywriting all data in system memory to a hard drive and then removingsystem power. Waking up from this mode restarts the computer, and thememory contents are restored. Operation then resumes where thecomputer left off when it entered the hibernation mode.• Shutdown. This sleep mode removes all power from the computer except asmall auxiliary amount. As long as the computer remains connected to anelectrical outlet, it can be automatically or remotely started. For example,the Auto Power On option in system setup (see "Power Management" onpage 47) allows the computer to automatically start at a specified time.Also, your network administrator can remotely start your computer using apower management event such as Remote Wake Up.The following table lists the sleep modes and the methods you can use to wakethe computer from each mode.Sleep Mode Wake-Up Methods (Windows XP)Standby • Press the power button• Auto power on• Move or click the mouse• Type on the keyboard• USB device activity• Power management eventHibernate • Press the power button• Auto power on• Power management eventShutdown • Press the power button• Auto power on• Power management event
