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1、ABCDEMS7008Revision0ACHIPSETPT880+8237TITLESHEET4COVERSHEET14CPU:BLOCKDIAGRAM2IntelNorthwood/PrescottPWRMAP/CLOCKMAP3GPIO/MEMORY/PCI/HWSTRPPING4SystemChipset:PROCESSOR(SOCKET478)5,6PT880(NorthBridge)VIA8237/8235(SouthBridge)NORTHBRIDGE(PT880)7,8,9,10,11SOUT
2、HBRIDGE(VT8237)12,13,14OnBoardChipset:DDRTERMINATIONSA&B15,16BIOS--ISAEEPROM3AC'97Codec--ALC6553DIMM1/DIMM2/DIMM3/DIMM417,18LPCSuperI/O--W83697HFVIA1394VT630619LAN--RTL8110S/8100CIDECONNECTORS20CLOCK--ICS952911A+ICS93733AGPSLOT21MainMemory:PCISLOTS1-522,23D
3、DR*2+2(Max4GB)AC'97CODEC&AUDIO24ExpansionSlots:USBCONNECTORS25PCI2.3SLOT*522MS7ACPICONTROLLER26PWM:VRM10.0(FMB1)27Controller:Intersil6563DLED&LANCONNECTORS28RTL8110S/8100C29ATXPOWERCONNECTOR30CLOCK&BUFFERSYNTHESIZER31LPCSUPERIO&FLOPPYCONNECTOR321PARALLEL/SE
4、RIAL331MS834MICRO-STARINt'LCO.,LTD.MSITitleEMIPORT35COVERSHEETSizeDocumentNumberRev0AMS-7008Date:Tuesday,June17,2003Sheet1of38ABCDE1BlockDiagramVRM10IntelmPAG478BProcessorISL65632-PhasePWMFSB2X/4X/8X64bitDDRAGP1.5V2DDR2DDRConnectorPT880DIMMDIMMModulesModule
5、sPCIinterface100/1GLAKeyboardV-LinkMousePCIinterfaUltraDMA33/66/100IDEPrimaryPCICNTRLPCISlotPCISlotPCISlotPCISlotPCISlotIDESecondaryVT8237/8235CEPCIADDR/DATAce1394USBPort012345AANchipUSBPort1USBUSBPort2LPCBusUSBPort3USBPort4LPCSIOUSBPort5Winbond83697HFUSBPo
6、rt6USBPort7AC'97LinkFlashFloopyParallelSerialAC'97CodecSATAprot1andport2MICRO-STARINt'LCO.,LTD.MSITitleBLOCKDIAGRAMSizeDocumentNumberRev0AMS-7008Date:Tuesday,June17,2003Sheet2of38187654321PT800PLATFORMPOWERDELIVERYMAPPT800PLATFORMCLOCKGENERATORMAP3.3V5V5VSB
7、12VPROCESSORVCCPVRMDPROCESSOR1.2VDIntelmPAG478BProcessor1.2VVREGCPUHOSTAGPSLOT1.5VCLKAGPCLKNORTHBRIDGEVCCPDCLKOPT8801.5VVREGNORTHBRIDGEVCC_AGPDCLKINORTHBRIDGE+2.5VCLOCKGENERATORCK43VSBVREGNORTHBRIDGESYSEMMEMORYVCC_DDRMEMCLK2+2DDRDIMM0~12/CLK#0~12ModulesDDR2
8、.5VDDRDIMM1/DIMM2/DIMM32.5VVREGC14.318MHZVTT1.25VDDRVTT1.25VCVREGAPIC2.5VVREG48MHZVT8237/8235CESOUTHBRIDGE+2.5VSOUTHBRIDGEVCC3PCICLK2.5VSBSOUTHBRIDGERESUME2.5V_SBVREG09SOUTHBRIDGERESUMEVCC3_SBSOUTHBRID