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外国媒体新闻：AMD 300/400系列AM4主板或PCIe 4.0可以通过BIOS升级_我的网站
一 | 在今天的AMD主题演讲中，这位官员没有宣布期待已久的7NMZen2处理器。AMD首席执行官苏子峰（su zifeng）表示，第三代Ryzen处理器将于今年中发布，并将是第一个支持PCIe4.0的处理器。
二 | 外国媒体tomshardware.com在CES网站上采访了主板制造商，了解到AMD 300/400系列AM4主板可以通过BIOS升级PCIe4.0。 After serving more than a month of in-school suspension over his dreadlocks, a Black student in Texas was told he will be removed from his high school and sent to a disciplinary alternative education program on Thursday.Darryl George, 18, is a junior at Barbers Hill High School in Mont Belvieu and has been suspended since Aug. 31. He will be sent to EPIC, an alternative school program, from Oct. 12 through Nov. 29 for “failure to comply” with multiple campus and classroom regulations, the principal said in a Wednesday letter provided to The Associated Press by the family.Principal Lance Murphy wrote that George has repeatedly violated the district's “previously communicated standards of student conduct." The letter also says that George will be allowed to return to regular classroom instruction on Nov. 30 but will not be allowed to return to his high school's campus until then unless he's there to discuss his conduct with school administrators.Barbers Hill Independent School District prohibits male students from having hair extending below the eyebrows, ear lobes or top of a T-shirt collar, according to the student handbook. Additionally, hair on all students must be clean, well-groomed, geometrical and not an unnatural color or variation. The school does not require uniforms.George's mother, Darresha George, and the family's attorney deny the teenager's hairstyle violates the dress code. The family last month filed a formal complaint with the Texas Education Agency and a federal civil rights lawsuit against the state’s governor and attorney general, alleging they failed to enforce a new law outlawing discrimination based on hairstyles. The family alleges George's suspension and subsequent discipline violate the state’s CROWN Act, which took effect Sept. 1. The law, an acronym for “Create a Respectful and Open World for Natural Hair,” is intended to prohibit race-based hair discrimination and bars employers and schools from penalizing people because of hair texture or protective hairstyles including Afros, braids, dreadlocks, twists or Bantu knots. A federal version passed in the U.S. House last year, but was not successful in the Senate.The school district also filed a lawsuit in state district court asking a judge to clarify whether its dress code restrictions limiting student hair length for boys violates the CROWN Act. The lawsuit was filed in Chambers County, east of Houston.George’s school previously clashed with two other Black male students over the dress code. Barbers Hill officials told cousins De’Andre Arnold and Kaden Bradford they had to cut their dreadlocks in 2020. Their families sued the district in May 2020, and a federal judge later ruled the district’s hair policy was discriminatory. Their pending case helped spur Texas lawmakers to approve the state’s CROWN Act. Both students withdrew from the school, with Bradford returning after the judge’s ruling. ___AP journalist Juan Lozano contributed to this report from Houston.___The Associated Press education team receives support from the Carnegie Corporation of New York. The AP is solely responsible for all content.。AMD在其CES主旨演讲中重申，将在2020年之前支持AM4主板，因此新的Ryzen处理器将与现有主板向后兼容。Tomshardware.com在CES 2019年与几家主板供应商交谈后表示，他们中的许多人已经在300和400系列AMD主板上成功测试了PCIe4.0，这意味着可以通过简单的BIOS更新来启用该功能。
三 | 国外媒体称，在BIOS更新解锁功能后，旧主板提供了PCIe4.0x16连接到主板的第一个插槽，但剩余的插槽仍然是PCIe3.0。
四 | 这意味着离CPU最近的PCI插槽将很容易支持PCIe4.0，而其他插槽（包括M.2端口）将以PCIe3.0速率运行。AMD自己的RadeonVega VII将是市场上第一款支持全带宽PCIe4.0的设备。它将于2月7日以699美元（4760元）的价格出售。相关阅读资料：AMD 7NM Ryzen处理器年度发布：对PCIe 4.0的开创性支持，AMD Radeon VII发布，首个7NM显卡，Super RTX 2080。
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