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Overclocked ram & Why 1:1? - Page 2

post #11 of 88
paul I'm also the proud owner of a honda as well. 1976 accord . it's just more for the "ricer" type of honda owners.

and forgot about one important thing with ram. even if the FSB gets saturated you still get the advantage of faster responce but also faster copy bandwidth
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compy jr
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post #12 of 88
Quote:
Originally Posted by rx7speed View Post
paul I'm also the proud owner of a honda as well. 1976 accord . it's just more for the "ricer" type of honda owners.

and forgot about one important thing with ram. even if the FSB gets saturated you still get the advantage of faster responce but also faster copy bandwidth
Again OT, but I am no ricer fan. I am a fan of Honda because they are build well, they last forever, they are safe and efficient. Best cars ever made. I have gotten 35.4 MPG on my unmodified 3.0 V6 Accord...
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post #13 of 88
Quote:
Originally Posted by pauldovi View Post
Bandwidth increases even with increased latencies.

@ 1:1 DDR2-400 Memory bandwidth = 3224MB/s
@ 2:3 DDR2-600 Memory bandwidth = 3774MB/s
@ 1:2 DDR2-800 Memory bandwidth = 4047MB/s
As I said I agree with your position. However, synthetic bandwidth benches =/= real world performance. Which I why I was offereing.
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post #14 of 88
well 1:1 makes the system stable during overclocking of the fsb, take for instance a 400 fsb with a 1:2 ratio, your ram would try and run at 1600Mhz instead of 800Mhz if it was on a 1:1 ratio. just an example. i run mine at a 4:5 ratio,which is fsb of 325Mhz so my ram is 406 before DDR, it all depends on how much you want to oc your ram, or how much it can handle.

thats my 2cents anyway.
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post #15 of 88
I would like to add something to this.....I recently purchased and installed Super Talent ddr2-800. According to the website the ram runs at 800 mhz with 4-4-3-8 timings at 2.2v. If i run it at these settings(745 mhz actually with 1/1.33 divider in bios) my sandra results are 7800 mb/sec. If i up the divider to the 1/1.66(902 mhz 4-4-4-12 timings), my sandra says 6800 mb/sec. So i am thinking that added bandwidth isnt always better?
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post #16 of 88
Quote:
Originally Posted by jcharlesr75 View Post
I would like to add something to this.....I recently purchased and installed Super Talent ddr2-800. According to the website the ram runs at 800 mhz with 4-4-3-8 timings at 2.2v. If i run it at these settings(745 mhz actually with 1/1.33 divider in bios) my sandra results are 7800 mb/sec. If i up the divider to the 1/1.66(902 mhz 4-4-4-12 timings), my sandra says 6800 mb/sec. So i am thinking that added bandwidth isnt always better?
Do you have a screen shot?
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post #17 of 88
nah, but i could make one for you real quick...
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post #18 of 88
here are my screenies......

Its making a liar out of me right now....i dont know what happened exactly but i did have 7800 mb/sec at the slower speed. But there is no change at all now....i dont know what to make of that.

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post #19 of 88
What about CPU / Motherboard info?
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post #20 of 88
Quote:
Its making a liar out of me right now....i dont know what happened exactly but i did have 7800 mb/sec at the slower speed. But there is no change at all now....i dont know what to make of that.
DDR2 @ 900mhz is not capable of 7800mbs. Do the math.
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