overclocking help

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13 Feb 2009
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hi,

ok heres my system

core 2 duo e6750 (2.66ghz)
geeforce 260 card (896mb)
4 gb ocx ram (1066mhz) ddr2
gigabyte socket LGA775 motherboard (GA-P35C-DS3R version 2.0

some questions now,

1 - in bios my default memory frequency reads 800 - 800
the 1st number my motherboard manual expains as being the
normal frequency of my ram and the 2nd number is the frequency that is automatically adjusted according to the system memory multiplier.

shouldnt the ram speed be 1066mhz by default?

my old ram had a clock speed of 667mhz so im failing to see the benefit of having this so called faster ram.

2 - i managed to OC the cpu up to 3.5ghz without increasing the voltage. by changing the memory multiplier i had the ram running at 1066mhz.

the system boots up fine by im actually seeing worse gaming performance with these settings.

is this due to the fact that something is creating a bottleneck?

if someone could explain where im going wrong id be most grateful.
 
1 - No the mother board is running at the default and therefore correct ram speed. To change your ram speed you need to change (go out of default) your bios settings.
2 - That can happen but as it is perception based it could just be that your expectations where much higher than what was the product. Use some application like fraps to determine the actual FPS in game. Do a test between the default and over-clocked to see what is the actual difference.

Make sure your game settings are the same when you do the comparative test yeah.
 
i was using fraps. the game i testes ran 5 or so frames slower after oc'ing.

based on the info above, how would i find out if bottlenecking is happening and if so what component it is?

i would've thought by increasing my cpu speed by almost 1000ghz and my ram from 800mhz to 1066mhz i would've seen some performance increase.

if not, whats the benefit of me having bought faster ram and whats the point in me oc'ing my system.
 
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interesting read, it suggests that oc'ing simply isnt worth the hassle.

the main game that causes performance issues for me is a game called armed assault 2. its a very cpu intensive game which is why ive been lookin into oc'ing my cpu. would liked to have seen that game listed on that site you linked but it wasnt there.

how bout this then,

my system normally runs with the cpu at 2.6ghz and the ram at 800mhz. its ddr2 ram so does that mean its actually runnin at
2 x 400mhz or 2 x 800mhz?

i said above that i oc'd my cpu to 3500ghz and my ram to 1066mhz. would i be right in sayin that what im tryin to do is pointless as the ram is never gonna be as fast as the cpu anyways.

which again makes me think whats the point in spending extra money on faster ram when its always gonna be the bottleneck anyway.

if im wrong about any of the above please show me the error of my ways.:)
 
Sorry mate - mid term break and all that no time for the forums just time for the kids.

If you get your systme ram to 1066 MHz with reasonable latencies then you are in the pound seats ram wise. As to your question about never being as fast as the CPU, I am sorry I have no idea what it is you are asking. They are two different things and besides having the common denominator of frequency to represent their clock speeds they are not directly comparable. For example I had a q6600 cpu that I could clock to 4.5GHz - but because I was forced to use certain dividers to achieve the high FSB my ram was running slower than when the CPU was clocked at 3.2GHz.

So if you get your CPU to 3.6Ghz and your ram to 1066MHz then you have a pretty good set up. Actually then you will have a darn good set up.
 
no problem matey. il try n explain what i mean a bit better.

all systems have bottlenecks, be it the gpu, cpu or ram. ive read that most bottlenecks are the gpu and with some games the cpu.

now im not sure what the bottleneck would be in my system which i listed above but lets say its the gpu. would that not make oc'ing the cpu and ram pointless?

i assume there are no programs i can run which will tell me exactly what the bottleneck in my system is.
 
Im lost, had you [email protected], had your RAM running at rated speed of 1066MHz and you GTX260 was just sitting stock.

Your FPS went down compared to running your system at all stock speeds?
Nowyou think you have a bottle neck someplace after overclocking, due to the FPS drop.

Am I following this so far?

You also say " im not sure what the bottleneck would be in my system which i listed above but lets say its the gpu. would that not make oc'ing the cpu and ram pointless?"

Suppose it does make it pointless, your graphics card is not a bottle neck though, I know you said that as a "just suppose" just putting your mind at rest.

EDIT: 250 posts :)
 
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That is about what the chap is asking about.

Personally I do not think that there is a bottle neck - certainly not with that kit and at those clocks. But there could be other stuff going on. Like maybe a antivirus application decided to do a full system scan. It happens. :)
 
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That is about what the chap is asking about.

Personally I do not think that there is a bottle neck - certainly not with that kit and at those clocks. But there could be other stuff going on. Like maybe a antivirus application decided to do a full system scan. It happens. :)


Im with this idea, the FPS drop cant be created like that, well it can but only with on the edge overclocks.

Could be any number of other things but so unlikely to be the overclock its almost worth while ruling it out completely.
 
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