赛扬D新核心发布完全兼容AMD64指令集-快科技-科技改变生活

赛扬D新核心发布完全兼容AMD64指令集

P2MM
2005年09月13日 14:02
0

Intel美国当地时间12日，发布了赛扬D处理器的最新核心，并且变更了LGA775包装赛扬D的steping。

新核心将在赛扬D 326/331/336/341/346/351(2.53 GHz到3.20 GHz)的6个型号当中使用，新核心的steping从E-0变更到G-1，CPU ID从0XF41变成0XF49，新核心赛扬D需要主机板升级BIOS。

新核心的赛扬D内建完整版EM64T指令集，新加入了「LAHF 」(Load Status Flags into AH Register)和「SAHF 」(Store AH into Flags)2个指令，因此赛扬D从这个核心开始，完全兼容AMD64指令集。

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