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浅谈E2140技术(参赛)

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发表于 2007-7-30 15:51:54 | 显示全部楼层 |阅读模式
<P style="LINE-HEIGHT: 19.2pt"><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></FONT> </P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p> </o:p></SPAN></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>邮箱:</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><A href="mailto:yysh@mail2.sysu.edu.cn"><SPAN style="COLOR: #006699">yysh@mail2.sysu.edu.cn</SPAN></A>        </SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>联系方式:</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">020-39349231 <o:p></o:p></SPAN></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">        </SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>话说在网络上高手如云,笔者俨然一菜鸟。所以在此处</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">“</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>大放阙词</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">”</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>,实在不该。但是,此番浅见的出产既需要我温习已有知识,又要查阅自己欠缺的知识。子曰:</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">“</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>温故而知新,不亦乐乎?</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">”</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>。于是,笔者斗胆也在这里谈谈</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">的技术。还请各位多多包涵!</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">         Pentium E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>处理器采用的是</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">65nm</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>工艺制造、双核心设计,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">LGA775</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>接口,主频为</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">1.6GHz</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>;外频为</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">200MHz</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>;一级数据缓存为</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">32KBytes</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>,共享高达</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">1024KBytes</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的二级缓存;</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">800MHz</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>前端总线,支持</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">MMX</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">SSE</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">SSE2</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">SSE3</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">SSSE3</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>多媒体指令集,具备</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">EM64T 64</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>位运算指令集,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">EIST</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>节能技术;在功能方面,大众用户使用度普遍不高的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Virtualization</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>(虚拟化)和商业用博锐技术(</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Intel VPro</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">)均被削减。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>一、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Conroe</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>内核</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"> <o:p></o:p></SPAN></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">        Pentium E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>处理器采用了全新的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Conroe</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>内核。</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Intel</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>在</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Conroe</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>处理器微架构上做出的调整要大刀阔斧得多,流水线架构的调整也最为明显。首先是基于</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Core</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>核心的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Conroe</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>处理器的流水线从</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"> Prescott</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>核心的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">31</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>级缩短为</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">14</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>级,与目前的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Pentium M</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>相当。虽然说流水线越长,频率提升潜力越大,但是一旦分支预测失败或者缓存不中的话,所耽误的延迟时间越长。所以如果一旦发生分支预测失败或者缓存不中的情况,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Conroe</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>核心的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">14</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>级流水线的效率要比</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Prescott</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>核心的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">31</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>级要高很多,延时却要低得多。总之,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Conroe</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>处理器相比较于前代</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Prescott</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>核心的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Pentium D</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">具有高效的流水线架构和更优秀的分支预测能力,从而有更好的性能。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>二、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">65nm</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">的工艺制造</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">        </SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>有这么一句话:</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">“CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的发展史也可以看作是制作工艺的发展史。</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">”CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>纳米制作工艺并非是加工生产线,实际上指的是一种工艺尺寸,代表在一块硅晶圆片上集成所数以万计的晶体管之间的连线宽度。按技术述语来说,也就是指芯片上最基本功能单元门电路和门电路间连线的宽度。让数据说话吧:</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">AMD Athlon64 X2 5600+</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">AMD Athlon64 X2 3800+ </SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>采用</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">90nm</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的工艺制造。</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">65nm</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>应该是现在市场上最小的工艺制造了。大家也可以从这里看到</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的精度之高,从而它提高</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的集成度,也使</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的功耗也越小,不愧是</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">intel</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">的品牌机!</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>三、主频为</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">1.6GHz</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>;外频为</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">200MHz (</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>主频=外频</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">×</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>倍频</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">) <o:p></o:p></SPAN></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">       </SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>主频无疑是显示</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>性能的最根本的指标。</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的主频表示在</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>内数字脉冲信号震荡的速度,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>能够运行在更高的频率下说明</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>能够承受更高的运算速度。但是目前还没有证据能够证明它与</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>实际的运算能力是没有直接关系的。对于</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">1.6GHz</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>主频说高不高,说低也不低了。外频是</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>与主板之间的同步运行的速度,也就是说</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的外频直接与内存相连通,实现两者间的同步运行状态。外频速度高,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>就可以同时接受更多的来自外围设备的数据,从而使整个系统的速度进一步提高。</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的倍频</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">8</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>已经是被锁住了,所以我们说的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>超频,是超</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的外频(现在,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的倍频一般都是被锁住的,超频也一般都是超外频)。由</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的技术参数跟优良的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">“</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>血统</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">”</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>,只要能够搭配得当,超频至</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">250MHz</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>以上是很轻松的事情。于是乎,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">2140</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">也能够以高的性价比满足我们的工作与办公的需要。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>四、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">L1 Cache 32KB, L2 Cache 1MB <o:p></o:p></SPAN></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">        </SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>内置的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">L1</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>高速缓存的容量和结构对</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的性能影响较大,不过高速缓冲存储器均由静态</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">RAM</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>组成,结构较复杂,在</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>管芯面积不能太大的情况下,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">L1</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>级高速缓存的容量不可能做得太大。</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">L2</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>高速缓存容量也会影响</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的性能,原则是越大越好。</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E4000</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>系列在这里与</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>相差的就是它有</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">2MB</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的二级缓存。扣肉的高性能其实对于二级缓存的依赖性还是比较大的。不过,一分钱就一分货,这是肯定的。</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">4000</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>系列价位几乎是</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的两倍,但是参照其技术参数,无非也就是二级缓存是</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">2MB,</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>主频是</FONT></SPAN><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" UnitName="g" SourceValue="1.8" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">1.8G</SPAN></st1:chmetcnv><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">。这肉价的性价比相比也不需要我再怎么说了吧。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>五、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">800MHz</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">前端总线</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">        </SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>前端总线的速度指的是数据传输的速度,也就是说,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">100MHz</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>外频特指数字脉冲信号在每秒钟震荡一千万次;而</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">800MHz</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>前端总线指的是每秒钟</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CPU</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>可接受的数据传输量是</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">800MHz×64bit÷8Byte/bit=6400MB/s</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>。也就是说</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>数据传输率可达到</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">6400MB/s</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>,与</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">DDR</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">内存技术相配合,可以得到更高的内存子系统性能。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>六、支持的指令集</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"> <o:p></o:p></SPAN></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">         2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>支持</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">MMX</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">SSE</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">SSE2</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">SSE3</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>、</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">SSSE3</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>多媒体指令集</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">,</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>所以可以得到更流畅更逼真的效果,无论是动作还是画面,直让玩家爱不释手!</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>更具备</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">EM64T</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>(</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">Intel Extended Memory 64 Technology</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>)即</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">64</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>位英特尔内存扩展技术,该技术为</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>应用提供扩充的内存寻址能力,拥有更多的内存地址空间,可带来更大的应用灵活性,足够满足当前和将来的软件应用需求,特别有利于提升音视频编辑,</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">CAD</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>等复杂工程软件及游戏软件的应用。</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"> E2140</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>的</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">EIST</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">节能技术,能够节约功能功耗,以便有效控制处理器的发热量。这样,在实际使用中,并不会发生高发热量的问题,温度也明显改善。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P style="LINE-HEIGHT: 19.2pt"><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">        </SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>最后,大家都说:</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">“</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>谁的性价比高,谁就是王道!</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">”</SPAN><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica"><FONT face=宋体>,我想,虽然不能现在就定下结论说</FONT></SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica">E2140</SPAN><FONT face=宋体><SPAN style="FONT-SIZE: 10.5pt; mso-bidi-font-family: Helvetica; mso-ascii-font-family: Helvetica; mso-hansi-font-family: Helvetica">是王道,但是我相信,在很多人心中,它是王道的候选人之一!(完)</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: Helvetica"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman"> </FONT></o:p></SPAN></P>
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