motherboard components used for communication among devices the data bus –system of pathways used...
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Motherboard Components Used for Motherboard Components Used for Communication Among DevicesCommunication Among Devices
The data busThe data bus– System of pathways used for communication System of pathways used for communication
and the protocol and methods used for and the protocol and methods used for transmissiontransmission
The Bus and Bus LinesThe Bus and Bus Lines
BusBus
Data path side Data path side – Width of busWidth of bus
Can have multiply buses on a systemCan have multiply buses on a system– The bus that communicated with the CPU is The bus that communicated with the CPU is
the System, Host, Memory, front side, the System, Host, Memory, front side, external bus.external bus.
64 bits 64 bits
Data BusData BusMotherboards have more than one type of bus:-System bus (cpu, memory, chip set)-AGP bus (video)-PCI bus (expansion cards)
System ClockSystem Clock
Clock SpeedClock Speed
Of Of MotherboardMotherboard– Measured in megahertz (MHz)Measured in megahertz (MHz)– Ranges from 400MHz to over 1000MHzRanges from 400MHz to over 1000MHz
Of Of CPUCPU– Measured in gigahertz (GHz)Measured in gigahertz (GHz)– Ranges from 166MHz to over 4GHzRanges from 166MHz to over 4GHz
Expansion SlotsExpansion Slots
Types of Expansion SlotsTypes of Expansion Slots
There arealso, newerPCIExpressslots
Interface (Expansion) CardsInterface (Expansion) Cards
Interface (Expansion) CardsInterface (Expansion) Cards(continued)(continued)