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> The processor speed and the memory speed are two different things. You
> might have a 2.2 GHz processor with 100 MHz memory, or 133 MHz memory,
> or 166 MHz memory or even 200 MHz memory. Now the processor speed
> would all be the same, but with faster memory the processor can get
> data to it faster, thus making the entire system faster all round.
> Higher is better.
>
> There is another type of speed associated with memory, the latency.
> That figure is given as CAS 2 or 2.5 or 3 normally. That refers to
> how long it takes the memory to react to a command basically. Lower
> is better for latencies.
>
> Knowing that you have a 2.2 GHz processor doesn't really help me tell
> you what speed of RAM you need. It could be an Intel processor, or an
> AMD processor. It could be running at 100 MHz, 133 MHz, 166 MHz or
> 200 MHz. What to do is [URL]http://www.cpuid.org/index.php[/URL] and
> download CPU-Z. Extract it and run it. Tell me the FSB speed and bus
> speed, you'll find them in the bottom left corner, then I can tell
> you what RAM you need.
ok the fsb speed is 166.5 mhz
the bus speed is 333.1 mhz
There is another type of speed associated with memory, the latency. That figure is given as CAS 2 or 2.5 or 3 normally. That refers to how long it takes the memory to react to a command basically. Lower is better for latencies.
Knowing that you have a 2.2 GHz processor doesn't really help me tell you what speed of RAM you need. It could be an Intel processor, or an AMD processor. It could be running at 100 MHz, 133 MHz, 166 MHz or 200 MHz. What to do is [URL]http://www.cpuid.org/index.php[/URL] and download CPU-Z. Extract it and run it. Tell me the FSB speed and bus speed, you'll find them in the bottom left corner, then I can tell you what RAM you need.
> it depends on what type of RAM your motherboard supports, and the bus
> speed of the CPU/existing RAM.
how do you find out that?