6-18 IBM Personal Computer User GuideYou can specify any of the interrupt requests (IRQs) in the following list as beingexempt from causing the system to enter into or awaken from a power managementstate. An I/O device signals the operating system by causing an IRQ to occur. Whenthe operating system is ready to respond to the request, it interrupts itself andperforms the service.Choice: Enabled• IRQ3 (COM2)• IRQ4 (Available)• IRQ5 (Audio)• IRQ6 (Diskette drive)• IRQ7 (LPT1)• IRQ8 (RTC Alarm)• IRQ9 (IRQ2 Redirect)• IRQ10 (Reserved)• IRQ11 (Reserved)• IRQ12 (PS/2 Mouse)• IRQ13 (Coprocessor)• IRQ14 (Hard disk)• IRQ15 (Reserved)Automatic Power OnUse this setting to define automated methods of waking up the computer:• wake up when the modem senses an incoming ring• wake up at a future time• wake up when the LAN senses an incoming data packet• wake up when the PCIPME signal is active• wake up when any key in key board is pressedYou can also define the power button override function. You can make the systempower off instantly or after the power button is pressed for four seconds.
