EET 450Personal Computer HistoryPC HistorySlide 4THE PCMotherboardOther ElementsSlide 8Motherboard ChipsetBIOSBiosSlide 12Slide 13Motherboard Form FactorForm FactorPowerPoint PresentationSlide 17CPU Form FactorSlide 19CPU Sockets/SlotsBus SlotsSlide 22Memory ExpansionSlide 24MemoryCMOS SettingsAssignmentEET 450EET 450Lecture 1Lecture 1MotherboardsMotherboardsPersonal Computer HistoryPersonal Computer History1959 - TI invented the IC1959 - TI invented the IC–6 transistors6 transistors1969 - Intel introduced 1k-bit 1969 - Intel introduced 1k-bit memory chipmemory chip1971 - Intel 4004 - the 1st 1971 - Intel 4004 - the 1st microprocessor chip (4 bit microprocessor chip (4 bit processor)processor)–1972 - the 8008 introduced1972 - the 8008 introducedPC HistoryPC History1973 - Personal computers using 1973 - Personal computers using the 8008 appeared (kits)the 8008 appeared (kits)late 1973 - Intel 8080 late 1973 - Intel 8080 –Jan 1975 - the Altair kit - Popular Jan 1975 - the Altair kit - Popular Electronics feature articleElectronics feature article1975 IBM introduced Model 51001975 IBM introduced Model 5100–$9,000 PC$9,000 PC–5110 and 5120 followed5110 and 5120 followedPC HistoryPC History1976 - Apple I introduced ($695)1976 - Apple I introduced ($695)1977 - Apple II1977 - Apple IIup to 1980 the dominant computer up to 1980 the dominant computer was the S-100 bus system running was the S-100 bus system running CP/MCP/M–(See the North Star Horizon)(See the North Star Horizon)1980 - IBM introduced the PC1980 - IBM introduced the PC–The rest is historyThe rest is historyTHE PCTHE PCThe Personal Computer currently is The Personal Computer currently is based around the MOTHERBOARDbased around the MOTHERBOARDThis main logic board has evolved This main logic board has evolved from one containing only the from one containing only the primary logic required to tie primary logic required to tie together the basic functional units together the basic functional units of the PC to an integrated of the PC to an integrated processor/support structure.processor/support structure.MotherboardMotherboardMotherboard, main board, system Motherboard, main board, system board, and planarboard, and planarPrimary elementsPrimary elements–ProcessorProcessor–Processor socketsProcessor sockets–Clock circuitryClock circuitry–Cache MemoryCache Memory–SIMM/DIMM memorySIMM/DIMM memoryOther ElementsOther ElementsBusBus–Differing by type/speed/etc.Differing by type/speed/etc.BIOSBIOSForm Factor - Size/shapeForm Factor - Size/shapeBuilt in InterfacesBuilt in Interfaces–IDE, Floppy, Serial Port, Parallel Port, IDE, Floppy, Serial Port, Parallel Port, Video Display, Sound card, NIBVideo Display, Sound card, NIBOther ElementsOther ElementsPlug and Play capabilityPlug and Play capabilityPower ManagementPower ManagementMotherboard chipsetMotherboard chipset–‘‘glue’ logicglue’ logicMotherboard ChipsetMotherboard ChipsetParityParity–Triton II (430HX)Triton II (430HX)Non-parityNon-parity–Triton (430FX)Triton (430FX)–430TX430TX–430VX430VXPentium ProPentium Pro–Orion (450KX & 450 GX type) or Natoma Orion (450KX & 450 GX type) or Natoma (440FX)(440FX)BIOSBIOSROM Bios is being replaced by other ROM Bios is being replaced by other forms of non-volatile memoryforms of non-volatile memory–flashflash–eepromeepromThe basis of how the system will workThe basis of how the system will workprovides drivers for certain classes of provides drivers for certain classes of hardwarehardware–ie. Floppy drives, hard drives, PnP, Powerie. Floppy drives, hard drives, PnP, PowerBiosBiosOriginal Equipment Manufacturer’sOriginal Equipment Manufacturer’s–Compaq Compaq –AT & T AT & T –make their own BIOS make their own BIOS ROM BIOS developersROM BIOS developers–American Megatrends, Inc. (AMI)American Megatrends, Inc. (AMI)–Award SoftwareAward Software–Phoenix SoftwarePhoenix SoftwareBIOSBIOSAMIAMI–most popular of the 3rd party versionsmost popular of the 3rd party versions–BIOS ID String can provide specific BIOS ID String can provide specific information about the version and information about the version and features of any AMI version.features of any AMI version.–Does not sell code to OEM - licensed Does not sell code to OEM - licensed onlyonly–http://www.ami.comhttp://www.ami.comBIOSBIOSAwardAward–Sells code to OEM’sSells code to OEM’s–http://www.award.comhttp://www.award.comPhoenixPhoenix–the standard of compatibilitythe standard of compatibility–developed using clean room approachdeveloped using clean room approach–excellent documentationexcellent documentation–http://www.firmware.comhttp://www.firmware.comMotherboard Form FactorMotherboard Form FactorBackplane systemsBackplane systems–passive - only connectorspassive - only connectors–active - includes bus control +active - includes bus control +Full-Size ATFull-Size AT–12” x 13.8”12” x 13.8”Baby ATBaby AT–8.58” x 13.048.58” x 13.04Form FactorForm FactorLPXLPX–expansion cards plugged into motherbdexpansion cards plugged into motherbd–Low profile/slimline designLow profile/slimline design–connectors for kb/mouse/video/ser/parconnectors for kb/mouse/video/ser/par–9” x 13” or 8.2” x 10.4” (mini)9” x 13” or 8.2” x 10.4” (mini)ATXATX–an INTEL specan INTEL spec–released July 95released July 95–Low cost, flexible design responds to Low cost, flexible design responds to many user concerns for accessibility many user concerns for accessibility and maintainabilityand maintainability–12” x 9”12” x 9”–Single 20-pin power connector called Single 20-pin power connector called a P1 connectora P1 connector–Includes software enabled power-on Includes software enabled power-on switchswitchMini ATXMini ATX–ATX board with compact designATX board with compact design–11” x 8”11” x 8”CPU Form FactorCPU Form FactorSEP – Single Edge Processor (slot 1)SEP – Single Edge Processor (slot 1)SECC – Single Edge Contact SECC – Single Edge Contact Cartridge (PII/III Slot 1)Cartridge (PII/III Slot 1)SECC2 – SECC, version 2 SECC2 – SECC, version 2 PPGA – Plastic Pin Grid ArrayPPGA – Plastic Pin Grid Array–Socket 370Socket 370FC-PGA – Flip Chip PGAFC-PGA – Flip Chip PGACPU Form FactorCPU Form FactorSee Table 3-7
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