主板架构及工作原理

1GeneratedbyFoxitPDFCreator©FoxitSoftware*CPU-CentralProcessingUnit*DDR-DoubleDataRateSDRAM(Memory)*Northbridge/Southbridge*IDE-IntegratedDeviceElectronics*SATA-SerialAdvancedTechnologyAttachment*AC’97-AudioCodec’97*SUPERI/O*FWH–FirmwareHubGeneratedbyFoxitPDFCreator©FoxitSoftware(),,.GeneratedbyFoxitPDFCreator©FoxitSoftware•MainboardMotherboardMB•ATATXATX•GeneratedbyFoxitPDFCreator©FoxitSoftware©FoxitSoftware•CPUCPUCPU,•,CPUGeneratedbyFoxitPDFCreator©FoxitSoftware•CPU(CentralProcessingUnit)CPUGeneratedbyFoxitPDFCreator©FoxitSoftware•CPUCPUP4CPUCPUFSB:FrontSideBus,CPUMCH.CPU200MHz,P4CPU4XFSB,200MHz*4=800MHzFSB.cpu64,800M*64/8=6.4GB/sCPUCPUGeneratedbyFoxitPDFCreator©FoxitSoftware•CPU•CPU1.2.3.GeneratedbyFoxitPDFCreator©FoxitSoftware(DoubleDataRate),•DDRDDR400200MHz•DDR400MHzDDR200MHz64DDR400200MHzx64bitx2/8=3.2GB/s•64-bitDDR128-bitGeneratedbyFoxitPDFCreator©FoxitSoftware©FoxitSoftware©FoxitSoftware•Motherboard,CPU.,CPU,,CPU,CPU.•chipsetsNorthbridge/SouthbridgeGeneratedbyFoxitPDFCreator©FoxitSoftware•(Chipset)•NorthBridgeHostBridgeCPUAGPPCICPUSDRAMDDRSDRAMRDRAMISA/PCI/AGPECCGeneratedbyFoxitPDFCreator©FoxitSoftware•CPUGeneratedbyFoxitPDFCreator©FoxitSoftware•AMDK8M2CPUCPUK8SISGeneratedbyFoxitPDFCreator©FoxitSoftware•SouthBridgeCPUPCII/OGeneratedbyFoxitPDFCreator©FoxitSoftware•I/OPCIUSBLANATASATA•RAIDIEEE1394WI-FIGeneratedbyFoxitPDFCreator©FoxitSoftware’97PCIEXPRESSConnectorRTL8100C&8110SB&811SCPCISLOTFWHSUPERI/OFSBLPCBUSRGBPCI-33HUBLINKSerialATAATA33/66/100/133USB1.0/2.0AC-linkIntelChipset(7267)DIMM1DIMM2DualchannelDDRIIVRMPCIEXPRESSPCIGeneratedbyFoxitPDFCreator©FoxitSoftware’97PCISLOTFlashSUPERI/OFSBDDRILPCBUS16XPCI-33Z-linkSerialATAATA33/66/100/133USB1.0/2.0AC-linkSISChipset(7113)LANRTL8201CLVRMGeneratedbyFoxitPDFCreator©FoxitSoftware(7255)LANDDRIIVRMPCI-ExpressX11XHDCodecALC883AC_linkSATASerialATAGeneratedbyFoxitPDFCreator©FoxitSoftware•PCIPCIPeripheralComponentInterconnect•AGPAGPAccelerateGraphicalPortPCI19967AGPAGPPCIAGPAGPAGPPCI2.1.GeneratedbyFoxitPDFCreator©FoxitSoftware•AGPIntel1996AGP1AGP2AGP4AGP866MHz533MHz533MB/s2.1GB/s2001Intel4GB/sPCI-E10AGPGeneratedbyFoxitPDFCreator©FoxitSoftware©FoxitSoftware(cyclicRedundancyCheck),,UDMAmode016.66MB/SUDMAmode125MB/S(UDMA33)UDMAmode233MB/S(UDMA33)ATA33(120ns)UDMAmode344MB/S(UDMA66)UDMAmode466MB/S(UDMA66)ATA66(60ns)UDMAmode5100MB/S(UDMA100)ATA100(40ns)UDMAmode6133MB/S(UDMA133)ATA133(30ns)16bits*(DoubleDataRate)*(1/40ns)/8=100MBytes/sGeneratedbyFoxitPDFCreator©FoxitSoftware©FoxitSoftware©FoxitSoftware•Four-wire•Software•(250mv)•(suchashotplug)•Point-to-pointconnectivity•CostcompetitivewithPATA•––Gen1:1.5GbpsGen1:1.5Gbps––Gen2:3.0GbpsGen2:3.0Gbps––