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第5课 显卡. 本章要点 具体要求 本章导读. 本章要点. 显卡的结构 显卡的接口 显卡的性能指标 主流显示芯片. 具体要求. 了解显卡的结构 掌握显卡的接口 掌握显卡的性能指标 了解主流显示芯片 了解显卡的选购. 本章导读. 显卡是计算机中处理图像的设备,显卡负责将计算机系统中所有的图像信息进行处理,然后从显示器输出。如今显卡的性能越来越强劲,显示效果也越来越逼真。本课将介绍显卡的相关知识,包括显卡的结构、显卡接口的作用、影响显卡性能的指标以及市场上主流显示芯片的不同特点,另外还将介绍如何选购显卡。. 5.1 显 卡 概 述. - PowerPoint PPT Presentation
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5
5.1
5.1 5.1.1 5.1.2 5.1.3 5.1.4
5.1.1 GPUCPUCPU/RAMDAC/RAMDAC
5.1.2 VGADVI
5.1.2 GPU
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5.1.3 1ISA2PCI3AGP4PCI Express x16
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2PCIPCI33MHz133MB/sPCIAGP
ISAPCI
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AGP
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PCI Express x16
5.1.4 5.2
5.1.4 123
1nsMHz1/1000
264bit128bit256bit128bit64bit256bit128bit
33D
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5.3
5.3 5.3.1 5.3.2
5.3.1
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13DGeforce 6800 UltraX800
2PCB4
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5.3.2
5.3.2 1nVIDIA2ATi
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6600LE6200A
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1X700X7000.11m400MHzDDR32.2ns700MHzDDR3X700
2X550 256MBX550 256MB0.11m42mBGA2.8ns680MHz
X700X550 256MB