CPUZ Detailed PC System Information Hardware Specs Tutorial
Hello and welcome.What is cpuz cpuz is a freeware system profiler application for microsoft windows xpvista7.Cpuz detects and collects information on your systems central processing unitcpu, random access memoryram, graphicstutorial cards, motherboard chipset, and other hardware features common on computers.Windows does have a system information component that provides some of the same information, but it is nowhere near as robust or easy to use.In many cases after using system information you would still need to open your computer case to find out what was on the inside.This is largely eliminated with cpuz.How to download.
And install cpuz.Open a web browser like internet explorer.I have google set as my home page.If you don't have google set as your homepage, enter google in the address bar, and press enter.In the google search field enter cpuz and press enter.The top link should be cpuidsoftwarescpuz this link.On the cpuz page, the downloads are available on the right side of the page.The easiest thing to do is just download the setup file.Some firewalls may block executable files.If this is the case, download the zip.
File, extract the executable, and then run it.1.59 setup, english link.On the downloading cpuz page, click the download now! button.On the download information bar you can save the file to your computer and then run it, but i prefer to just run the file.This means it will download the file and then automatically start the installer for us.The run button.After the download finishes the setup cpuid cpuz window will open.On the welcome to the cpuid cpuz setup wizard screen, click the next button.On the license agreement screen, click the radio button.
To select i accept the agreement, and click the next button.On the select destination location screen, you can change the installation folder if you like, or if not click the next button.On the select start menu folder screen, click the next button.On the install the ask toolbar screen, unselect all options and click the next button.On the select additional tasks screen, leave create a desktop icon checked, and click the next button.On the ready to install screen, review the information, and click the install button.On the completing the cpuid cpuz.
Setup wizard screen, uncheck the option to view cpuzreadme.Txt, and click the finish button.How to use cpuz you can open cpuz in one of two ways.Option 1 doubleclick on the cpuid cpuz icon on the desktop.Option 2 on the windows start button, all programs, cpuid, cpuz, and then the cpuz icon.The cpuz application window will open.Let's look on the cpu tab under processor name.The name is the name of the processorcpu you have installed in your computer.This is typically the name that the cpu is marketed under.You could search for exactly what is.
Listed under name in google or another search engine to find a replacement or reviews.In my case i have an amd phenom 2 x3 720.Code name.This is the name of the processor core architecture.Max tdp.Tdp stands for thermal design power.This is the maximum amount of power that the processor will use.I'm my case the max tdp is 94 watts.Package.Package shows the name of the motherboard socket your computer is designed to fit in.In my case the package is a socket am3 938.This means that.
I use the amd socket am3, which is made up of 938 pins.If you wanted to replace your processor you could now go to the internet and shop for a new socket am3 processor.Any one designed to work in socket am3 could be dropped into the computer.Technology.Technology shows the processing geometry used to create the processor.In this case it is 45 nm.This means the processor was built using a 45 nanometernm process technology.1 nanometer is one billionth of a meter.The smaller the process technology used, the more.
Transistors that can be packed into the available space.This allows processors to become faster and use less energy with every generation.Core voltage the core voltage is the power supply voltage supplied to the cpu.This, along with max tdp, is often important to individuals who are overclocking their computers.In this case the voltage is 1.411 volts.Specification specification shows the processor information, and in many cases is the exact same name as the name field from above.Family and ext.Family this section refers to the stepping information for the processor.This is used to determine.
The revision of the processor.Once a processor goes into production, as time goes on minor updates and bug fixes are made to the processor.Each update is a new revision, or stepping.You could use this to see if your processor revision is the one with or without a bug.Instructions.Instructions refers to the instruction sets that the processor is capable of running.This is the basic set of commands or instructions the processor is capable of understanding.In this case this processor supports mmx, 3dnow, sse versions 1,2,3,4a, x8664, amdv.Under clocks it shows the core information.
Of one of the processor cores.All cores are identical.Core speed.The core speed is the frequency that the processor is running at.In this case it shows 3110.5 mhz.Modern computers are speed rated in gigahertzghz not megahertzmhz.1000 megahertz is equal to 1 gigahertz.So this processor is running at 3.11 gigahertz.The processor speed is determined by taking the speed of the cpu bus, and then multiplying it by the multiplier.Ht link.This processor is an amd processor so it has the ht link, or hypertransport link.
If you had an intel processor it would show qpi link or quickpath interconnect.These links are the system bus that connects the various components of the computer.Under cache it shows information on the cache on the processor.Cpu cache is used to reduce the average time to access the memory.The cache is memory that is faster than main memory, and is directly inside the cpu package.Cache stores copies of the most frequently used data from main memory.Each core has it's own 64 kb level 1 data cache, 512 kb level.
2 cache, and all cores share a 6 mb level 3 cache.At the bottom it shows that this processor has 3 cores, and can run 3 threads.Some processors have hyperthreading, which allows them to run 2 threads on each core instead of 1.We can skip the caches tab, as its the same information we just covered.The mainboard tab provides information on the motherboard.Manufacturer.Here you will see the maker of the motherboard.In this case it is made by asustek computer inc.Model.The model of the motherboard.
Is listed here, along with a revision number.This is a m4a78te.This is extremely useful in determining what drivers to download.The chipset is an amd 790gx with an amd sb700 southbridge.The chipset controls communication between the processor and other devices on the motherboard.Bios.Bios stands for basic inputoutput system.The bios initializes and controls the devices on the computer at the hardware level.Under the bios section it lists the manufacturer of the bios, along with the version, and the date of the installed bios.If it's old there is probably an update that might.
Improve performance or fix bugs, that could be downloaded at the motherboard manufacturers web site.In this case the bios is manufactured by american megatrends, it's version 2208, and was created on 10282009.You would download this at the page of the motherboard manufacturer, not the bios manufacturer.Under graphic interface it shows that the graphics interface for this computer is a 16x pciexpress slot.The next two tabs memory and spd provide information on the system memoryram.Let's look at memory first.Let's look under the general section type.Here the memory interface type is listed.
In this case the memory is ddr3.Ddr stands for double data rate.Size.Here you will find listed the total amount of memory in the system in megabytes.1024 megabytes is 1 gigabyte, so this system has 4096 megabytes, or 4 gigabytes of memory.Channels.Channels refers to the number of channels available to the memory controller.A dual channel configuration has double the bandwidth of single channel memory, triple channel has three times the data rate, and so on.Dc mode.This will be either be ganged or unganged.With a ganged setup, all cores get access to all sticks of ram,.
While in unganged mode each core gets access to it's own memory.In most cases ganged mode is better for singlethreaded applications, and unganged mode is better for multithreaded applications.Nb frequency.This is the speed of the system bus, or hypertransport link.This is the same as the ht link on the cpu tab.Timings table.Dram frequency is the memory clock speed.Dram stands for dynamic random access memory.In this case it is 533 mhz.This is double data rate memory, so you double that making this memory ddr3 1066, running at 1066 mhz, or just over 1 gigahertz.The rest of the.
Information on this page is related to the cas latency.Cas latency is complicated to understand.Basically it is the measurement of the time between the moment a memory controller tells the memory module to access a particular memory column to the moment the data is available at the ram's output pins.As a general rule, the lower the cas latency the better.The spd tab contains additional information about the memory.Under memory slot selection, if you click the drop down you will get a list of each of the memory slots in the motherboard.
In this case there are 4 slots available for ram.Selecting each one will provide information regarding the memory in that particular slot.Slots 1 and 2 in this system each have a stick of ram in them.Slots 3 and 4 are empty.This means i have 2 slots available for expansion.The memory type is ddr3.Module size.This is the amount of memory on this one ram module not the entire system.This is 2048 megabytes or 2 gigabytes.Max bandwidth.The module name is listed here.In this case it is pc38500f clocked at 533mhz.
If you were upgrading memory, you would want to buy this memory standard to be compatible.Manufacturer.Here, as the name suggests, you will find the name of the memory manufacturer.In this case the memory is made by ocz.Part number.This is the manufacturer part number for the memory installed in the selected slot.We'll skip the timings table.The graphics tab contains information regarding the graphics or tutorial card installed in the system.Name.Here is the retail name for the graphics card.In this case it is a radeon hd 4850.
This is how the product would be listed at say a bestbuy.Code name.This is the codename for the graphics core inside the tutorial card.In this case the core is a rv770.Technology.This is the same as the technology field on the cpu tab.This is the process geometry used in the manufacturing process.In this case it is built on the 55 nanometernm node.Let's look under the memory section.Size.This is the size of the memory, in megabytes, on the graphics card, not the memory in your computer.This.
An Overview of PC Memory Types CompTIA A 220801 13
One of the key components inside of our computers is the memory.We're usually referring to memory as the random access memory, the amount of total ram storage that you might have for that computer.But there's all kinds of different memory inside of your computer.When we're commonly talking about memory, we're usually talking about the ram.But there may be occasions where we're talking about certain types of memory that aren't specifically associated with the ram types that we'll discuss in this tutorial.Another thing to keep in mind is your ram memory is not the.
Same as your hard drive storage or other storage device that you might have on your computer.Of course, we're using the same type of measurement system for those.We talk about our memory sticks being a 4 gig or an 8 gig memory stick.And we're talking about hard drive space also in gigabytes.So it's very common to mix those up, if you aren't exactly sure what you're talking about.But make sure when somebody says i have 8 gig in my computer, are they referring to how much memory they have.
In their computer or are they referring to some type of storage device inside of your computer sometimes people will use those interchangeably.And of course, those are very, very different things.Memory is so important in our computers because the only time you can perform a calculation on anything is if you get that into the memory of your computer.So it's very common for us to pull files off of our hard drive.And the only time we can execute them or perform any type of calculation is when we have it in active memory.
And we might perform some calculations.We might modify a graphics file.We might work on a spreadsheet.And then we will save that back to the hard drive for later.But the only time we can ever work with it, the only time we can ever execute a file, the only time we can run a program is when we have that information in the memory of your computer.One of the kinds of memory we often don't directly refer to is memory like readonly memory.This is very common to see when we are storing our bios.
Information for instance onto our computer.This bios is something that we generally don't change.And so it is a readonly memory in the way that we use it.Readonly memory has many different types that you would see in a computer.A very old type is a prom, a programmable readonly memory.That's one where we would program the chip itself.We would fasten it to the motherboard.And it's always going to have that particular code burned into that particular chip.There's also an eprom, which is one that is the same as a.
Prom, but we can erase it if we have the right equipment.We would remove that chip from the motherboard.We would replace it into our burning device.So we can put different types of information on that chip.And then we would replace it onto the motherboard.Again, you'd have to physically remove it from the motherboard generally to have that happen.In most of our computers today, especially when we're dealing with the bios configuration of our computer, we're talking about eeprom.This is electrically erasable programmable readonly memory.
And that is memory that we can simply take an application and change the contents of that memory just by running an application.It makes it very, very simple for us to upgrade the bios of our computer because we can do all of that without ever opening the case.When we talk about cpus and we talk about processors inside of our computer, we often refer to static ram.This is not readonly memory.And it's not the memory stick ram that we would put in our computer.This is a very, very specialized type of memory.
That is very, very fast.It's so fast that it's exactly what we would like to use in the calculation process inside of our processors.The problem is that this very, very fast memory is very, very expensive.Otherwise, we'd be using it for everything.We can only use a small part of it because of the costs involved with this static ram.It's also relatively large.We're looking at a cpu die right here.The static ram are these large sections where all of this looks very similar.It's like we're looking at something from a plane.
And every time you see these little fields of information, those are generally static ram sections.Usually it's a layer 1, a layer 2, a layer 3 cache that is right there on the cpu itself.The static ram is named static because we don't have to constantly refresh the contents of the memory for it to be available to us.As long as we have power to our computer, our static memory will keep whatever we put inside of it.It's still volatile memory.If we were power off our computer, anything within the.
Static ram goes away.But as long as we can change it and provide constant power to these chips, it will always maintain that information within the static ram.Whenever we're commonly talking about the memory inside of our computer, we're almost always talking about dynamic random access memory.This is dynamic memory because we constantly have to refresh this memory to maintain the information that's inside of it.If we were not going to refresh this data, it would ultimately disappear and completely wipe out everything that was inside of this memory.
That's a little different than the static memory we were just looking at, where you write it and as long as there's a constant power, it's always going to be there.That's not the case with dynamic memory.We always have to provide those updates.Otherwise, all of the information inside of it disappears.One type of dynamic random access memory is one called synchronous dynamic random access memory or sdram.Sdram is not static ram.We have an s in front of that.But the s in this case stands for synchronous dynamic random.
Access memory.It's synchronous because the memory itself is synchronized with the clock rate of the memory bus.We have to make sure those are synchronized together so that they stay in sync and we can constantly refresh and access all of the information that we need from inside of that memory.We don't see sdram on a lot of our modern systems.Generally, we see ddr type memory.We'll talk about that in a moment.But if you are going to acquire or replace some existing sdram inside of one of your computers, you'll.
Notice that the sdram is labeled with the same speed as your memory clock bus.So if you have a memory clock bust of a 133 megahertz clock, you're looking for sdram that is a pc133.And generally you'll see that on the package that you purchase.Sometimes the memory itself, like this one, actually has listed on it pc133.That way i know the sdram i have here is designed for a memory clock bus rate of 133 megahertz.As our computers matured through the years, we needed to make sure that the speed of our memory was keeping up with.
The faster and faster processors that were created.By the time the pentium iv came along, we were hitting the limits of what that traditional sdram was going to be able to do for us.So a third party called rambus created a new type of memory that could go much faster.And they partnered with intel so that you could create some motherboards that would require this rambus dynamic random access memory.The advantage of course is that this memory is much faster than the older sdram.One of the disadvantages of course is that because it was.
Created by a third party and a number of licensing requirements were there, that it was more expensive than traditional memory that we were using in the past.And so now you had a balancing act of needing to go faster, but this rambus memory also required additional money.And that was a balancing act that most people had to determine if it made sense for them.Not all systems use this rambus memory.And as you'll see in a moment, we evolved to have even faster memory types that were not created by the rambus.
Incorporated.Generally, our modern memory types are based on double data rate synchronous dynamic random access memory.This ddr sdram is one that we see very, very commonly.The first one that we had come out was simply ddr ram.And we're going to talk about that in just a moment.It was able to go twice the rate of the older sdram, thus the double data rate associated with it.If we were to look at, for instance, a memory bus clock of 100 megahertz, we used what we called a bus clock.
Multiplier of 1.We multiply that by the clock rate.This is a dual rate memory, so we'd multiply it by 2.And then we'd multiply by 64 to represent the number of bits that you can transfer in a single cycle.And of course we wanted that represented as bytes, so we would divide it by the number of bits per byte.So that gives us this calculation of 12,800 divided by 8, which meant the total peak data rate for a 100 megahertz bus clock rate was 1,600 megabytes per second as.
A peak data rate.With the ddr memory, we would represent that as a pc1600.Notice now, that the representation of the memory model did not match the memory clock rate.So what we had was what i like to call a magic number.If we were to take the memory clock rate for ddr and multiply by 16, we would get the peak data rate.And conversely, if we had a pc1600 data rate and you were trying to determine what the original memory bus clock rate was, you could simply take that 1600 number and.
Divide it by 16.And ultimately, that would give you 100 megahertz.The next generation of ddr memory was called ddr2.This is the double data rate 2 sdram.And there were a number of enhancements associated with it.We had the ability to handle more interference.We had buffers built into this.There were drivers offchip.It was the next generation of ddr memory.It also was twice as fast.So we would take our original 100 megahertz bus clock rate notice that our bus clock multiplier changes to 2.
All of the numbers stay the same after that.A dual rate of 2, 64 bits transferred, and you divide everything by 8.So your total number is 25,600 divided by 8, which is a total peak data rate of 3,200 megabytes per second.Ddr2 memory is designated by pc2.It has that 2 right after it.And the 3,200 is referring to the peak data rate.The magic number here for ddr2 memory then would be the number 32.If we take that 100 megahertz and simply multiply it by 32,.
We can skip all of these other equations and we can simply come up with 3,200.And conversely, we can take 3,200, divide it by 32 and get our memory bus clock rate of 100 megahertz.The latest generation of ddr memory is ddr3.And as you can expect, it's twice the data rate of ddr2.We even have much larger modules that we can use in our computers today.The formula, very, very similar.The only thing you're really changing is the bus clock multiplier, which means you can take your 100 megahertz.
Memory clock rate.And once you do the equation, you come up with a peak data rate of 6,400 megabytes per second.And we can see here that we put a 3 on the end of the pc3 to designate that this is ddr3 memory and then our peak data rate of 6,400.That means that magic number that you can use, instead of going through that big set of equations, is that you can take the 100 megahertz clock rate and simply multiply it by 64 to come up with 6,400 megabytes per second as your.
Peak data rate.And of course, you can conversely do this by dividing 64 from your 6,400 peak data rate to give you 100 megahertz.So if you're given a question where you need to calculate either your peak data rate or you need to calculate the original memory bus clock rate of a particular set of ddr, ddr2, ddr3 memory, just remember your magic numbers.And you'll simply multiply or divide for the appropriate magic number of the memory type that you're using.Even though these types of memory are numbered ddr and.
Ddr2 and ddr3, you cannot use different types of memory on different motherboards.You can't take a ddr2 memory and use it on a motherboard that's designed for ddr3.Even if you try to do that, you'll notice that it doesn't fit onto the motherboard.So if you're moving memory around and you notice it's not quite going into the slot, there are these sections on the memory that are designed to fit right into a key that is on the memory slot itself.This ensures that when we are plugging memory in, that we're.
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