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I dont understand G flops... - Page 6

post #51 of 57
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ok im in the memory tab it reads...
875 mhz
2:10
9.0 clocks
9 clocks
9 clocks
24 clocks
88 clock
1T....
Is that good ? would that be 9.9.9.24.88?
    
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post #52 of 57
Quote:
Originally Posted by L337Something View Post
now i just need to learn what the difference between "tight" ram timings or opposite... and how I can retrieve what my current timings are.
i may be wrong but tightening timings is.
my ram is ddr2 800mhz 5-5-5-18 cr1
tightening this means trying to lower these values eg. 4-5-5-12 or 4-4-4-12 etc...
or to loosen timings is to increase the numbers,
but normally leaving the ram at stock speeds, is usually the most stable. or just increasing the speed. my ram default speed is 800mhz, but i have it overclocked to 990mhz.

as above cpu-z will give you these timings
also dont forget that cpu-z will show your ram speed different.
my ram is listed as pc2-5600 800mhz, but in cpu-z its listed as 400mhz. (default) (2 x 400=800)

overclocked my ram is listed as 495mhz and as i have ddr2 ram. you double this, so its 990mhz
Edited by j.col - 3/8/11 at 4:17am
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post #53 of 57
Quote:
Originally Posted by j.col View Post
i may be wrong but tightening timings is.
my ram is ddr2 800mhz 5-5-5-18 cr1
tightening this means trying to lower these values eg. 4-5-5-12 or 4-4-4-12 etc...
or to loosen timings is to increase the numbers,
but normally leaving the ram at stock speeds, is usually the most stable. or just increasing the speed.
Yes you are right.
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post #54 of 57
Quote:
Originally Posted by L337Something View Post
ok im in the memory tab it reads...
875 mhz
2:10
9.0 clocks
9 clocks
9 clocks
24 clocks
88 clock
1T....
Is that good ? would that be 9.9.9.24.88?
Pretty much. Most people just include the 1st 4, and sometimes the Command Rate.

9-9-9-24

or

9-9-9-24 1T

A lot of people don't like to mess w/ RAM too much and just set it to spec or close to that. I believe RAM needs to be pushed just like the CPU, NB, etc. It may not affect performance that much, but I still like to know I have plenty of bandwidth headroom.

It is a bit more risky in that OS corruption can happen more easily when finding the limits of RAM, but if you play it smart and image your drive before OCing (and then restore that clean image once done) you can mitigate the extra risk.

Go for speed first if possible, and then try to tighten timings. Add voltage as needed to the RAM and VTT (or NB on C2D/Q) and possibly adjust reference voltages or clock skews.
post #55 of 57
very stupid question^^.. my ram is working at the manufacturers specs for my fsb (481).. could it be possible that it runs stable even with tighter timings, without that the manufacturer is making it official?! ill try by myself soon some stuff but maybe here somebody got it working`?! thankya..
post #56 of 57
Quote:
Originally Posted by smex View Post
very stupid question^^.. my ram is working at the manufacturers specs for my fsb (481).. could it be possible that it runs stable even with tighter timings, without that the manufacturer is making it official?! ill try by myself soon some stuff but maybe here somebody got it working`?! thankya..
Yes, it's possible. You may need more voltage, though!

I have DDR3-2000 9-10-9-28 1T 1.65v rated RAM, but I run it at 1875 7-9-7-23 1T 1.64v. I tried to add extra voltage to get the timings even tighter, but it was taking too much, so I backed off.

I use to have some awesome DDR2 (D9 based if you know what that means). It was rated at DDR2-800 4-4-4-8 2T 2.2v, but I ran it at DDR2-1132 5-5-5-15 2T 2.15v for 24/7 operation. I was able to bench it at DDR2-1250 5-4-5-10 2T 2.3v.
Edited by jason4207 - 3/8/11 at 7:55am
post #57 of 57
Hi^^

i5-2500K, 4.5 GHz / 2133 MHz RAM Clock

GIGAFLOPS of Linx-AVX?

THANKS~
16
Edited by HYUNGI KIM - 2/17/12 at 7:14am
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