Ray Of Hope


IRQL- Interrupt Request Level

An interrupt request level (IRQL) defines the hardware priority at which a processor operates at any given time. In the Windows Driver Model, a thread running at a low IRQL can be interrupted to run code at a higher IRQL. X-86 based system has 32 IRQL. IRQL                                   X86                        Ia64                         AMD64                                      Description Passive Level               o                                 o                                […]


Posted in Hardware/Processor | No Comments »