Motherboards

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CompTIA CompTIA A+ Exam Flashcards on Motherboards, created by Shelby Hartsell on 24/12/2016.
Shelby Hartsell
Flashcards by Shelby Hartsell, updated more than 1 year ago
Shelby Hartsell
Created by Shelby Hartsell over 7 years ago
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Resource summary

Question Answer
Motherboard typical form factors ATC(Most Common), microATX and ITX
Type of expansion buses PCI Express PCIe and PCI
What are the components of a motherboard? CR2032 battery, expansion bus slots, port cluster, RAM slots, 8pin CPU power (EATX12V), 24-pin ATX connector, Processor socket, x99 chipset, and SATA connectors
How many chipsets does a motherboard have? one or two specific chips (Northbridge/Southbridge)
What is northbridge? a chip in charge of the connection to high data transfer devices
What is southbridge? secondary chip in charge of USB, SATA, Firewire..etc
What does DMI stand for? Direct Media Interface
What does DMI do? carries all the traffic from controllers to the processor
What is the data transfer rate of original DMI? 10 GB/s
What is the data transfer rate of DMI 2.0? 20 GB/s
What is QPI? Quick Path Interconnect. Similar to DMI
What is QPI for? powerful workstations and server motherboards
What is Intel's old name for northbridge? Memory Controller Hub (MCH)
How is the MCH connected? front side bus
What is Intel's old name for southbridge? I/O Controller Hub (ICH)
What does SATA stand for? Serial ATA
Where is SATA connected? Southbridge
What does SATA do? supports connection of hard drives and optical discs
What is the rate of SATA 1st gen? 1.5 GB/s
What is the rate of SATA 2nd gen? 3.0 GB/s
What is the rate of SATA 3rd gen? 6 or 16 GB/s
Which generations of SATA are most compatible with today's motherboards? 2nd and 3rd generation
Where does PCIe connect to? Northbridge
What does PCI connect to? Southbridge
Which is faster? PCIe or PIC? PCIe
What is a lane? where expansion buses send and receive data
What is a full duplex lane? Where a lane can send and receive data simultaneously
PCIe version 1 data rate 2 GB/s per lane
PCIe version 2 data rate 4 GB/s per lane
PCIe version 3 data rate 8 GB/s per lane
PCIe version 4 data rate 16 Gb/s per lane
PCIe version 1 frequency 2.5 GHx
PCIe version 2 frequency 5 GHz
PCIe version 3 frequency 8 GHz
PCIe version 4 frequency 16 GHz
PCI frequency version 1 33
PCI data transfer rate 133
How can we tell the number of lanes in a PCIe bus? xnumber (example: x16)
x16 slots are controlled by the ____ northbridge
x1 slots are controlled by ___ southbridge
What is PCI? allows for connections to modems and video, sound, and network adapters
What is PCIe? Faster than PCI with higher data rates
PCI is not only used by devices that fit into PCI slots but ____ by devices that take the form of an integrated circuit
PCI version 2.1 frequency 66 MHz
PCI version 2.1 data transfer rate 266 MB/s
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