Well? Do you know if your computer is wasting its precious ram?

Well if you have 4GB of ram and are running a 32-bit version of Windows XP or Vista, then your computer is wasting 1/4th of the memory that it has installed!

What?! Really?! Yes!

To check how much ram your computer is using, it’s as simple as-

-For Windows XP: Press Start->Right click My Computer->Select Properties

-For Vista: Press Start->Right click Computer->Press the Properties

If you have 4GB of ram installed, then the number will say 3.12GB. Never noticed this before? Are you indeed running 4GB of ram? It is normal to be a bit angry right now. Why does it say that though? If your computer supports 4GB of ram, and you have 4GB installed, then why aren’t you getting your 4GB?!? Well here is why =]

32-bit versions of Windows (XP and Vista), can only support a Maximum of 4GB of memory. This is because 2 to the power of 32 is equal to 4,294,967,296 bytes (which is the same as 4GB). Unfortunately, you cannot reach that 4GB using the 32-bit version of windows. The reason for this is that 32-bit Windows save a chunk of memory to be used for devices that may need it. So even if you have the full 4GB installed, you will only be able to use 3.12GB for programs that you want to run.

The only way that you can fix this…is to upgrade your OS to a 64-bit version. Once you do that, then your ability to upgrade memory is basically endless in theory (2 to the power of 64 is equal to 18,446,744,073,709,551,616 bytes which is the same as 17 billion gigabytes lol) But this "endless ability to upgrade in theory" is also limited to hardware and your OS.

-Windows Vista Home Basic 64-bit can only have a maximum of 8GB of physical Random Access Memory (Ram)

-Windows Vista Home Premium 64-bit can only have a maximum of 16GB of physical Random Access Memory (Again, Ram)

-Windows Vista Ultimate, Business, and Enterprise 64-bit can only have a maximum of 128GB (only 128? lol) of physical Random Access Memory (A third time, Ram)

-Windows XP pro x64 can only have a maximum of 128 GB (yet again, only 128GB? lol) of physical Random Access Memory (For the last time, Ram =])

So if you want to break that 4GB maximum supported by 32-bit versions (really 3.12GB no matter how much you have installed) then you need to upgrade the operating system to something that supports more. Once you do that there are even more obstacles in your path to uber memory.

-Your Motherboard must support more than 4GB of address space. If your motherboard can hold 8GB of Ram (or more) then it supports it.

-The CPU has to support 64-bit instructions.

-Your Motherboard BIOS need to have memory remapping so that you can change where it saves memory for devices from the normal 3.12GB-4GB to something above 4GB

-You need to be ready for how sexy your computer will be when it has over 4GB of memory being used

Once you have done all of that, you can upgrade your RAM "to infinity, and beyond!"

If you don’t want to (or don’t have the means to) upgrade your OS to a 64-bit version, then don’t buy more than 3GB of ram. If you don’t care about how much bang you are getting for your buck though, you can go out and get that 4th GB of ram just to get the .12GB it will offer you =].

So, when you decide to upgrade your computer, or when you are putting together a new system, you need to remember this important rule. "No matter how much you can get of something, it’s use is always limited by something else". In this case, the amount of RAM that your computer can support.

-32-bit OS versions can support a maximum of 4GB, but this is limited to 3.12GB because the system reserves a chunk.

-64-bit OS versions can support a maximum of 17 billion GB in theory, but this is limited to a very maximum of 128GB because of OS supports, and then even lower to a maximum of however much your Hardware can Physically support.

"No matter how much you can get of something, it’s use is always limited by something else"

-Brett Ledyard

By: Brett Ledyard

Article Directory: http://www.articledashboard.com

 

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How do you maintain your computer performance?
Adding RAM is fairly simple, even for a novice, and you should be able to do the job in 5 or 10 minutes.

4GB Crucial RAM Memory $45 2/1/09 – 4gb Crucial Ram Memory
Buy.com has 4GB Crucial RAM Memory (200-Pin DDR2 SODIMM) on sale for $44.99, $5 less than January’s mention. You’ll have to install this into your computer yourself

SanDisk X4 Flash Memory, New 32nm Technology
Samsung has managed to use 50-nanometer technology in RAM memory,… Memory Flash Drive Connection USB and eSATA. Kanguru Solutions announced the release of the Kanguru e-Flash.

Anyone buying a computer or laptop should know the importance of computer memory or RAM. Read to discover why it is so important you must have enough memory..

You have probably heard the expression: "You can’t be too rich or too thin." Well, now you can also add: "You can’t have too much memory."

Actually, that last phrase is little misleading because when buying RAM (Random Access Memory) for your computer you can have too much if your computer doesn’t have the hardware to handle or utilize all of your RAM. But for the most part, as any computer user will quickly realize, when it comes to computers you can’t have too much memory.

Therefore, when buying a laptop or computer, memory should be one of your main considerations. Go for the highest amount you can afford simply because the more RAM you have, the faster your computer will run.

Besides, many of today’s software applications place ever increasing demands on your system’s memory. You have peripherals such as webcams, digital cameras, DVD players, USB hard drives…throw in extremely complicated webpages and PC based video games… all needing more and more RAM. Who knows what the immediate future will bring and what extra demands will be made upon your system’s memory.
The Tricky Issue of Shared Memory

Keep in mind, that unless you have a high end graphics video card with its own memory, your system’s memory will more than likely be shared between your Processor (CPU) and your graphics chip (video memory). Which means when your computer uses its own memory for your operating system, software applications, peripherals… your memory is quickly used up if this memory is also shared to run your video/graphics – your system will report significantly less memory than what you originally thought you had.

That’s why many computer gamers will buy expensive Graphics Cards with lots of sing. So if your memory requirements are very low, you can save yourself some money by going with the minimum amount of RAM, just make sure it is enough to run your computer (OS, CPU and Videos) smoothly. Always keep in mind, in most cases, you can simply install extra memory in the future if you should need it.

The author runs a handy online Laptop Guide featuring the latest top gaming laptops: Gaming Laptops
To learn how to do your own computer or laptop memory upgrade try here: ComputerMemory Upgrade

By Titus Hoskins Published: 8/18/2008

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