Hp AMD Geode ECM-5510 Manuel d'utilisateur télécharger pdf (Page 80)

ECM-5510

80 ECM-5510 User’s Manual

3.5.5.4 IRQ Wakeup Events

The VGA, LPT & COM, HDD & FDD, and PCI master are I/O events which can prevent the

system from entering a power saving mode or can awaken the system from such a mode.

When an I/O device wants to gain the attenetion of the operating system, it signals this by

causing an IRQ to occur. When the operating system is ready to respond to the request, it

interrupts itself and performs the service.

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Hp AMD Geode ECM-5510 Manuel d'utilisateur Page 80