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[Official] Thuban X6 Club - Page 9

post #81 of 198
my rig didn't like that bump one bit. in fact, it got mad at me. where it was super stable before at 3.686, now it won't even log into windows without restarting itself. lol. so, i'll let it cool it's temper a bit.
post #82 of 198
Hey guys, tried posting this in the 1090t club, but it seems thats a dead thread...

wondering if i could get some insight.


I want to try and push my cpu higher (also my ram since i have no idea how OCing ram works...)

currently im running 4.0 ghz stable

1.48v vcore (more than i need, i just havent bothered trying to lower it, i suspect i could get it around 1.465/1.47)
200mhz x 20
cpu/nb 2.8ghz @ 1.35v
RAM 1333mhz


what would it take for me to OC to 4.1 or 4.2? ive tried simply bumping the multi to 21 but it is not IBT (fails on the 4th or 5th run) or prime (fails around 4 hours) stable.
Ive tried going as high as 1.51vcore but it doesnt seem to help

my temps are good though way overkill radiator for just a cpu.



also how would i go about overclocking my ram?

i run at 1.55v (.5 over stock to help fix some stability issues i was having before)

(may as well add me to the members list tongue.gif ill include any more info if nessisary)
post #83 of 198
Is there a big difference when overclocking the CPUNB from 2600Mhz to 2800Mhz? I just don't know if it's worth the heat/performance to overclock it.
post #84 of 198
Quote:
Originally Posted by TheGrayDon10 View Post

I'm using a hyper 212+ in push-pull. and my nb multi is locked too. to x10. i'd need to raise my fsb to 300 to reach that.
Didn't realize your cpu/nb multi was locked.
Quote:
Originally Posted by AlaskaFox View Post

Hey guys, tried posting this in the 1090t club, but it seems thats a dead thread...

wondering if i could get some insight.


I want to try and push my cpu higher (also my ram since i have no idea how OCing ram works...)

currently im running 4.0 ghz stable

1.48v vcore (more than i need, i just havent bothered trying to lower it, i suspect i could get it around 1.465/1.47)
200mhz x 20
cpu/nb 2.8ghz @ 1.35v
RAM 1333mhz


what would it take for me to OC to 4.1 or 4.2? ive tried simply bumping the multi to 21 but it is not IBT (fails on the 4th or 5th run) or prime (fails around 4 hours) stable.
Ive tried going as high as 1.51vcore but it doesnt seem to help

my temps are good though way overkill radiator for just a cpu.





also how would i go about overclocking my ram?

i run at 1.55v (.5 over stock to help fix some stability issues i was having before)

(may as well add me to the members list tongue.gif ill include any more info if nessisary)
Wow you really are high on core voltage. Go back a couple pages to my test oc profile and try that. Keep in mind raising your fsb will also overclock your ram. Your cpu/nb is overkill. You shouldn't need more than 1.25v for 2800 mhz and 1.3-1.325 for over 3000mhz with a decent cpu. Try starting over using multi oc'ing. Fsb oc'ing is really power hungery which in turn, raises temps I prefer doing both multi and fsb to get good performance while maintaining low temps. Newer ram sets don't oc past factory rated speeds all that well. Don't expect current 1600 mhz ram to do more than 100mhz+ oc (1700mhz) FSB increases also raises your ram speed. Oc'ing by multi only will not effect ram.
Edited by hotrod717 - 2/23/13 at 11:04am
    
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post #85 of 198
That is rather a good question Capt. Damn hard to answer because it depends on your system and
your workload. I try to reduce bottlenecks when I overclock/tweak my systems. CPU-NB clock:

AMD AM3 CPU's which ram speed is faster and which CPU-NB clock is best
http://www.ocztechnologyforum.com/forum/showthread.php?56715-AMD-AM3-CPU-s-which-ram-speed-is-faster-and-which-CPU-NB-clock-is-best

TEST WITH RAM AT 1333 6-6-6-24 1T


TEST WITH RAM AT 1600 7-7-7-24 1T


1333 RAM RESULTS:
32M pi 35secs faster with NB clock at 3000 over 2000
encode 47secs faster total job NB clock at 3000 over 2000

1600 RAM RESULTS
32M Pi 36 secs faster with NB at 3000 over 2000
encode 57secs faster total job NB clock at 3000 over 2000


As you see 1333 6-6-6-24 1t is faster than 7-7-7-24 1t for super Pi but slightly slower for encoding. What you need to note though is at around 2400MHZ CPU-NB encode test both 1333 and 1600 are so close its not worth bothering about...after that 1600 is faster as 1333 memory starts to become a bottleneck.

Update May16th 1:25AM...5-5-5-24 1t hits back. you guys looking for 1800MHZ ram at 8-8-8- or 9-9-9- forget it, with the NB around 2400 to 2800MHZ 5-5-5-24 1t 1333 is where you need to be.



And finally adding 6-6-6-24 1t 1600MHZ into the graph...for me 1333 5-5-5-24 1t is best, easier to do with most ram and for me allowed an easier OC on the CPU and the CPU-NB.



I would test what works best on my system. Anandtech did a little test on CPU-NB but they didn't do as professional job with it. Anandtech is really just good to look up press releases.
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AK 1045
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post #86 of 198
Quote:
Originally Posted by Capt View Post

Is there a big difference when overclocking the CPUNB from 2600Mhz to 2800Mhz? I just don't know if it's worth the heat/performance to overclock it.
A bump from 1.2 to 1.25 will not create too much heat and increasing cpu/nb in turn does net memory bandwith and speed in terms of gb/s. and lower latency.
    
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post #87 of 198
i tried duplicating your oc, AK. couldn't even get my computer to post. had to reboot so that my monitor would even come on then it gave the the "overclock failed" error. lol
post #88 of 198
Quote:
Originally Posted by Heuchler View Post

That is rather a good question Capt. Damn hard to answer because it depends on your system and
your workload. I try to reduce bottlenecks when I overclock/tweak my systems. CPU-NB clock:

AMD AM3 CPU's which ram speed is faster and which CPU-NB clock is best
http://www.ocztechnologyforum.com/forum/showthread.php?56715-AMD-AM3-CPU-s-which-ram-speed-is-faster-and-which-CPU-NB-clock-is-best

TEST WITH RAM AT 1333 6-6-6-24 1T


TEST WITH RAM AT 1600 7-7-7-24 1T


1333 RAM RESULTS:
32M pi 35secs faster with NB clock at 3000 over 2000
encode 47secs faster total job NB clock at 3000 over 2000

1600 RAM RESULTS
32M Pi 36 secs faster with NB at 3000 over 2000
encode 57secs faster total job NB clock at 3000 over 2000


As you see 1333 6-6-6-24 1t is faster than 7-7-7-24 1t for super Pi but slightly slower for encoding. What you need to note though is at around 2400MHZ CPU-NB encode test both 1333 and 1600 are so close its not worth bothering about...after that 1600 is faster as 1333 memory starts to become a bottleneck.

Update May16th 1:25AM...5-5-5-24 1t hits back. you guys looking for 1800MHZ ram at 8-8-8- or 9-9-9- forget it, with the NB around 2400 to 2800MHZ 5-5-5-24 1t 1333 is where you need to be.



And finally adding 6-6-6-24 1t 1600MHZ into the graph...for me 1333 5-5-5-24 1t is best, easier to do with most ram and for me allowed an easier OC on the CPU and the CPU-NB.



I would test what works best on my system. Anandtech did a little test on CPU-NB but they didn't do as professional job with it. Anandtech is really just good to look up press releases.

Speed plays an important roal as well. Check out AMD Maxmemm thread to get a insight on ram performance for AMD systems. Sandra is also a great test for performance which includes Memory bandwith and latency tests. I agree Andandtech's little test there is narrow. Maxmemm is a great way to immediately measure performance gains.
Edited by hotrod717 - 2/23/13 at 11:28am
    
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post #89 of 198
do i need to tighten my timings to 7-7-7-24 to get those kinds of results from my nb oc?
post #90 of 198
Quote:
Originally Posted by TheGrayDon10 View Post

i tried duplicating your oc, AK. couldn't even get my computer to post. had to reboot so that my monitor would even come on then it gave the the "overclock failed" error. lol
85% of 1090's and 1100's have had no problem. What ram are you running. If your ram can't handle the fsb increase it won't post or start. Give me a few minutes and i'll post some great oc'ing guides other people have done here on ocn.
    
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