The arbiter may take away GNT# at any time. A device that loses GNT# may perhaps total its current transaction, but might not start off a single (by asserting Body#) Unless of course it observes GNT# asserted the cycle just before it commences. 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，适合长期办公使用，但核显性能弱，不适合玩游戏；上面那台锐龙版核显更强... https://nathanlabsadvisory.com/how-nist-800-171-compliance-consulting-in-usa-can-secure-your-business-data/