As an initial topic for discussion, please take a look at a specific microprocessor or chip family and discuss its infrastructure for receiving, prioritizing, acknowledging, and responding to interrupts and other machine exceptions.

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After studying the chapter from the book and also more literature materials from the online environment, the conclusion is that no matter which PC-compatible processor model is considered, the CPU can receive an interruption request in three ways:
- if the system in cause has built-in support for message signaled interrupts feature, then either the PCI bridge of the host bridge receives the interrupts as memory writes signals;
- if the system has single processor architecture, then the x86 processor receives the request from the interrupt controller (by INTR); on its turn, the CPU sends an IAT (interrupt acknowledge transaction)...

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