It is a Exclusive method of read cycle implicitly resolved into the interrupt controller, which returns an interrupt vector. The 32-little bit tackle discipline is dismissed. One particular attainable implementation will be to crank out an interrupt accept 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... https://nathanlabsadvisory.com/pci-dss-training/