An Overview of Motherboard Types - CompTIA A+ 220-901 - 1.2
Motherboard Expansion Slots and Bus What are expansion slots — CompTIA A+ 220-901 — 1.
And all of these components need to be able to communicate with each what are expansion slots />These are communication paths that go between all of these different components.
There what are expansion slots also these expansion slots on the motherboard.
And the expansion slots also give us a way to communicate back to CPU and memory and other components on the motherboard.
When you hear someone talk about how much information you can put through one of these expansion what are expansion slots, you may hear them talk about the width of the expansion bus.
But the width effectively means how much traffic we can push through a connection.
We refer to this as the clock speed of the bus.
Every bus has its own clock.
We measure the speed as the number of cycles that we can perform in a single second.
The cycle is called a hertz.
If we can perform one million cycles in a second, we call that a megahertz, or one MHz, if we wanted to abbreviate it.
If you want to what are expansion slots 1,000 of those megahertz, it would be a gigahertz.
You would think then that one clock cycle would equal one transfer of information.
But there are some techniques that we can use to transfer more than one piece of information on a single clock cycle.
Take for example DDR3 SDRAM.
This is the memory that we would have inside of our computer.
It can transfer 64 times the amount of the memory clock speed.
So although the clock on the memory is going at a certain rate, we can increase the amount of data transfer, through a number of different techniques, to go 64 times what that clock speed might actually be.
And although a number of these components are now collapsed into single chips, and we may have different components plugging into different parts of the motherboard, this is a very good overview that shows you what all of the different components might be.
Some of these we might recognize, like the CPU and the memory.
You can see that this is a motherboard that supports PCI adapter slots.
But they https://bonus-deposit-casino.website/are/what-are-the-best-slot-machines-to-win-on.html be connected to other parts of the motherboard chipsets.
If we were to look at the motherboard itself, you can see here are some of those PCI expansion slots.
They are different sizes and different types of connections you would use.
And all we have to do is push down on this card very gently.
And it will very easily slide into the slot.
They stand for Peripheral Component Interconnect.
They will almost always call it a simple PCI connection or a PCI slot.
It has a 32-bit and a 64-bit bus length.
It depends on how much data now we can transfer over that expansion bus.
And it communicates in a parallel mode.
The amount of throughput will vary depending on what bus we happen to be using.
When we talk about a PCI bus as being parallel, that means that for a single transfer, all of the bits are transferred at one single time.
To be able to do that, we need some way to communicate across many different connections simultaneously.
We need 64 lines of communication on that bus going all the source across.
This is a challenge as we begin going faster and faster and needing wider and wider what are expansion slots />We begin to run out of space on the motherboard.
If we look closer at the 32-bit PCI slots and the 64-bit PCI slots, you can see there is a little bit of a difference between them.
And these little notches that are built into the slots are designed to fit cards that will support a certain type of power requirement.
If we look at the 32-bit expansion card, you can see there are these notches at the bottom that designate how are code 440 power this particular card can use.
This is an adapter card for a modem.
And this modem can support both a 3.
So it depends on the type of motherboards you have and what type of power it supports.
In this particular case, this card will support either one of those voltages.
There are notches https://bonus-deposit-casino.website/are/money-in-the-us-are-essentially-debts-of-quizlet.html 3.
And you have those additional card connections on the back of this particular ethernet card.
This what are expansion slots the PCI eXtended.
It was based on the conventional PCI, but it was designed for servers.
Servers need a lot of throughput.
We had four times the clock speed, up to 1,064 megabytes per second of throughput.
And just like the conventional PCI, the PCI-X is also a parallel communication.
And although there is an X in PCI-X, this is not the PCI Express.
This is a PCI eXtended.
Those are two very different kinds of standards, and you want to make sure you do not confuse the two.
And you can see the abbreviation for PCI Express is PCIe.
And it goes much faster than these older expansion types.
Instead of what are expansion slots over parallel connections, PCI Express communicates serially, which means it sends a go here bit at a time from one side to the other.
There is the one, two, four, eight, 16, or 32 full-duplex lanes.
That means we have communication going back and forth in both directions simultaneously.
In the case of the PCI Express x1 slot, you can see there is communication going on that lane one direction, and one lane the other direction.
We have a very simplified way of communicating.
And we can still get very high throughputs.
And there are different flavors and different versions of PCI Express.
If we look at the per-lane throughput in each direction, the version one of PCI Express allowed us 250 megabytes per second per lane.
So you can see these numbers are much higher than we ever got with a PCI or a PCI eXtended architecture.
If we look at our motherboards, we can easily find those PCI Express slots.
And you can see that there are different sizes of slots available.
And down here is a x4 slot.
So you will see that the larger slot allows us to have faster and faster communication lanes.
Instead you have the same type of communication as PCI Express, but you have a much smaller slot to connect to.
This is the Mini PCI and the PCI Express mini card.
So we might want to plug-in a Wi-Fi adapter, maybe a mobile broadband connection, and we want to plug it into a standardized bus type on these mobile connections.
We usually are opening up the laptop and plugging it into the laptop on the inside.
There might be a port on the outside of the laptop that gives us just enough access.
Or we may have to take off the entire back of the laptop just to install these cards on the inside.
I have a laptop that allows me to take off a small panel on the back.
And that gives me access to both the memory slot that you can see here on the right and the mini PCI Express connection.
This happens to be for a wireless connection.
You can see there is connectors here for the antenna plugging into this main connection.
And I can easily move things in and out of this mini PCI connection by simply removing the card and putting something what are the best online casino bonuses in its place.
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Bus Architectures and Expansion Slots - Part 1 of 3 - CompTIA A+ 220-701
Define expansion slot. expansion slot synonyms, expansion slot pronunciation, expansion slot translation, English dictionary definition of expansion slot. n.
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