This is a special method of examine cycle implicitly tackled to the interrupt controller, which returns an interrupt vector. The 32-little bit handle subject is ignored. A person attainable implementation is always to deliver an interrupt acknowledge cycle on an ISA bus utilizing a PCI/ISA bus bridge. 点评：酷睿版支持扩展内存和硬盘，上面的那台锐龙版不支持。酷睿版扩展性更强，适合长期办... https://nathanlabsadvisory.com/cyber-defense-architecture-implementation/