Upgrading Memory - like all products you get what you pay for: "Buy
cheap, Get Cheap!".
Memory is the one of the
cheapest ways to get a large performance
On the other hand if you all ready
have an abundance of memory (over 4 gig using a 32 bit
Operating System, the OS can only utilize 3.5 GB) then
adding more RAM will not solve your
Memory comes in different forms (module), speeds, and sizes.
Forms - Also called modules that are currently in use in computers there are two DDR and SDRAM (includes DIMM)
Sizes - Range from 64Mb (megabyte) to 16Gb (gigabyte).
Speed - The speed of the ram installed is controlled by the
motherboard BIOS when it
- By combining two or more memory modules the speed of the base module will
double or even triple.
Say you have a Pentium 4 processor, you have 256 meg of ram and it is in the
If you have the motherboard installation guide it may list all
the ram types the motherboard supports, also listing the speeds and maximum size
for each slot. If you don't have the installation guide have two choices on
finding out what ram is installed in your computer, the easiest is to go to the
motherboard manufactures web site and search for the information on your
motherboard. Or you can open up your computer and look at the markings on the ram
If you do open the case up remember when
Observe ESD it will kill anything you touch if
you are not grounded.
With this information you can search the web for suppliers of third party memory.
They will have table that will list all the ram that matches the form and speed
you are looking for, just pick the size you want to upgrade to.
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I use kingston.com to check for RAM installed in a computer, you can search for the
make of the motherboard by manufacture and model, you may find you can increase
the FSB (Front Side Bus) speed and increase the
amount of RAM all at one time. Increase in FSB will give you a modest
performance boost also.
- When you buy memory you need to know if your motherboard has single, dual,
or triple channel memory. Also you will need to know the minimum speed and the
maximum speed that the motherboard will support. You need to consider that if
the motherboard supports single channel memory then the speed published will be
the base speed of the memory.
However if you have dual channel memory you would have to divide the
published speed in half to get the base memory speed that the motherboard will
support. That is say your motherboard will support dual channel memory at 400,
800, 1066, or higher . You would either buy the memory as a set of two modules or find
single modules. If you are searching for single modules you would divide the
speed of the memory in half to find a single module such as if you had 800 MHz
memory and wanted to replace one then you would search for 400 MHz DDR 2 memory.
If you have DDR3 which is triple channel memory then to find the base memory
speed you would divide the memory speed by 3 such as your computer has DDR 3
and it is 1333 the base memory speed would be 444 MHz.
Quality - Quality counts. Remember "Buy cheap, Get cheap". You are doing this
yourself to save money but doing something twice costs twice as much.
Did you know that if you install memory that has a FSB of say 800 MHz that your processor will run slower than if you installed say 1066 MHz memory?