You can specify any of the interrupt requests (IRQs) in the following list as being exempt from causing the system to enter into or awaken from a power management state. An I/O device signals the operating system by causing an IRQ to occur. When the operating system is ready to respond to the request, it interrupts itself and performs 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)

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IBM 6345, 2194, 2193 manual 18IBM Personal Computer User Guide