Correct CPU to Memory Ratios?

[Jamers]

I'm a bit confused on how to determine the correct ratio for CPU to Memory. Mobos have options like 2:1, 5:4, 3:2

 

[Nights_L]

Tell us what's your cpu, mobo and memory first..

 

[Kioku]

what is this "cpu to memory ratio" for?

 

[david__t]

This ratio allows you to run different memory speeds with the same CPU. So if we are talking about DDR memory, you could have 266, 333 or 400MHz memory running on a board with a 266 MHz CPU. So for example if we had 333MHz memory (PC2700) running on a board combined with an Athlon XP 1900+ (266MHz bus) then then we could run the memory in sync giving a 1:1 ration or we could run asynchronously at a 4:5 ration so that the CPU would be running at 266 and the memory at 333.

Obviously all the different ratios that you mention are for many other possibilities that you could have eg 400MHz memory runing with a 333MHz CPU.

4.77MHz to 4.0GHz in 10 years. Imagine the space year 2020

 

[Jamers]

It's all on order, arriving Friday.

Abit IS7 865PE
P4 2.8c mhz 800 FSB
Corsair PC3500 434 mhz

I have a new water cooling case so I'd like to do some minimal overclocking. I like to know what is the best ratio given the above when not over clocking and also what is the best ratio to do some minimal overclocking? ie Bus 215 mhz (215 x 4 = FSB 860 mhz), 3010 mhz (215 mhz x 14), system memory at 430 mhz. Would this be a 2:1 ratio?
Not sure if I'm doing this correctly but my goal is to overclock to just over 3 ghz which should be very stable with this board, memory, and water cooling. Any recommendations?

 

[Prof133]

Use 1:1 ratio for both no overclocking and minimal overclocking for this system.

<b><font color=blue>Logic over all.</font color=blue></b>

 

[Nights_L]

Try to do 1:1 as long as you can, it's the best ratio