ok thanks, I'll keep you posted- right now I've got the memory set to 100mhz, the multiplier at 6x and im maxing out the FSB
Sorry one more thing- that guide says for my processor to set it to 1.50-1.55 (90nm)... But I thought that was bad?
It's a much discussed point. You're best bet is just to test it yourself, from what i've seen bandwidth doesn't play a huge part with A64's but you have some really good memory there so there's no reason not to try for a 1:1 ratio once you've found your CPU max.
Note - at this present moment with your RAM divider at 100 you shouldn't be worrying about this right now ..
.
Note - at this present moment with your RAM divider at 100 you shouldn't be worrying about this right now ..
.THats for single core processors. You have a dual core. Do not go above 1.45 unless you are sure of what you are doing.
I say latency. Others say speed. To be honest it really doesnt matter much at all. The peformance difference from the best to worst is very very small. At least once you get about 200 mhz.
OK..I completely disagree on this vcore issue..on good air cooling I would not exceed 1.55v
I have run 1.5v with no issues ....1.5v is should be safe with some decrease in life but not enough to affect anyone around here...it is 10-15% increase in vcore....
I have run 1.5v with no issues ....1.5v is should be safe with some decrease in life but not enough to affect anyone around here...it is 10-15% increase in vcore....
To each his own. But for someone with very little experience overclocking I will again reccomend that he take it easy on the vcore.
I myself wont go over 1.45.
Once your raising the vcore that much the returns are so small that its not worth the risk.
Im going to blockbuster. You better have this thing overclocked by the time I got back. You never told us what you maxed your motherboard out at.
This is where we disagree..I see no difference in the long term risk of 1.45 vs 1.5v..so long as temps are good....
All these chips by AMD/ Intel have fairly high tolerances
Has anyone seen a report of a Opteron die or start failing at 1.55v or less..I see alot of people pumping 1.6v....
I know the Northwoods had serious issues with vcore...but I have not seen a report on the AMD A64/X2/Opteron dying with 1.6v....remember within just a few months people were reporting the Northwoods dying and losing a given overclock
Mind you..I do not recommend anything over 1.55v on air for sure...temps below 55C are probably ok ...
I personally do not like temps over 51-52C and vcore over 1.5v(since the DFI mobo overvolts)
My temps are @ 1.5v ...48/49C at full load in FL with our warm winter
Disclaimer...the above is my opinion..take it for what is worth...probably nothing
But I feel this way after spending alot time on various forums seeing others experience
Ok here is where I am.
For the FSB limit I got it up to about 330 before it started failing, which makes me think that 310 is about the FSB limit.
Then I did the CPU, I set Prime 95 affinity so there were 2 programs running, one testing each core. I noticed one core can do like 250 and above, while the other sucks. I gave up after I reached 220 (1.4V)and one core was still having an error within the first 5 seconds. Which makes me wonder, this morning I got it up to 240 and was running prime and it was doing great- but I think it was only testing that one core. I'm starting to wonder if I need any patch or bios flash that will support the dual cores better... I wanted to stop and ask you what u think before I test the memory because as of now, not even going above 225 is really sad.
Frank
Update: well it seems that at 215X10 both cores are stable :brokenheart: thats great......
Try it with the multiplier at X9. You know the HTT (FSB) can get upto 320ish so you may be able to get a much better overclock using the X9 multi. And simply stick the VCore at 1.45 for now, you can fine tune that later.
I don't know much about the DFI's BIOS other than the fact that some are better than others. Check DFI street or around here and see what others have found to be the best BIOS, i'll almost guarantee you'll need to update it if you haven't done so from the original.
I don't know much about the DFI's BIOS other than the fact that some are better than others. Check DFI street or around here and see what others have found to be the best BIOS, i'll almost guarantee you'll need to update it if you haven't done so from the original.
Another interesting note:
CPU VID (Voltage Identification) Control (CPU Vcore)
This is a tricky one.. Its gonna depend on how good your temps are and how far your willing to take it. For 90nm cores (i.e. Sandiego, Venice, x2, Winnies) its best to stick around 1.6v-1.65v MAX, For 130nm cores (i.e. Clawhammer, newcastles) you can go a little higher to 1.7v-1.75v but always make sure temps are good. If you have extreme cooling like water or phase then you can take the voltages higher. You could also try to see how far you will get on stock vcore first or just bump it up from the start. This is totally up to you and what you feel comfortable with. Some A64 CPU?s actually overclock better with less voltage that?s why its good to start off lower to find the max of that and if your unhappy or want more then you up it from there.
This was from: http://www.dfi-street.com/forum/showpost.php?p=203167&postcount=3
This runs contrary to what I've heard about not exceeding 1.4 Oh the confusion!
CPU VID (Voltage Identification) Control (CPU Vcore)
This is a tricky one.. Its gonna depend on how good your temps are and how far your willing to take it. For 90nm cores (i.e. Sandiego, Venice, x2, Winnies) its best to stick around 1.6v-1.65v MAX, For 130nm cores (i.e. Clawhammer, newcastles) you can go a little higher to 1.7v-1.75v but always make sure temps are good. If you have extreme cooling like water or phase then you can take the voltages higher. You could also try to see how far you will get on stock vcore first or just bump it up from the start. This is totally up to you and what you feel comfortable with. Some A64 CPU?s actually overclock better with less voltage that?s why its good to start off lower to find the max of that and if your unhappy or want more then you up it from there.
This was from: http://www.dfi-street.com/forum/showpost.php?p=203167&postcount=3
This runs contrary to what I've heard about not exceeding 1.4 Oh the confusion!
Here's the deal.
Most of the guys and girls at Anandtech don't take overclocking to the extremes other sites, like xtremeoverclocking, do. Hence people around here will be more conservative in their recommendations of maximum voltages.
When it comes down to it, it's personal preference. You can run your X2 at 1.55/1.6V and it's not going to last 10 years, chances are it'll last at least 3 or so (no guarantees). The probability is, if you're frequenting a forum like this you're probably not going to have you CPU for longer than 2 years anyway.
My view, i'd say run your VCore at 1.5 / 1.55V as long as your temps are fine, but that is only my view and what i'd do, many people will disagree.
Bottom Line - It's up to you but you're not going to kill anything at 1.45V for sure, well 99.9999999% sure anyway, and chances are you're not gonna kill anything at 1.55V either.
Most of the guys and girls at Anandtech don't take overclocking to the extremes other sites, like xtremeoverclocking, do. Hence people around here will be more conservative in their recommendations of maximum voltages.
When it comes down to it, it's personal preference. You can run your X2 at 1.55/1.6V and it's not going to last 10 years, chances are it'll last at least 3 or so (no guarantees). The probability is, if you're frequenting a forum like this you're probably not going to have you CPU for longer than 2 years anyway.
My view, i'd say run your VCore at 1.5 / 1.55V as long as your temps are fine, but that is only my view and what i'd do, many people will disagree.
Bottom Line - It's up to you but you're not going to kill anything at 1.45V for sure, well 99.9999999% sure anyway, and chances are you're not gonna kill anything at 1.55V either.
Yeah i dont think the Voltage is gonna help much, I mean if I can't get both cores past 215 at 1.45 I dont think thats a problem with voltage
110% is normally the standard voltage believed to not cause a problem for processors. The relationship between voltage and failure is not linear. It is exponetial and there is a fine line between what is safe and what is not. How close you want to get to that line is up to you.
memory settings, when for ex when I tried 225X10, my memory timings were automatic- but even when I loosen them and crank the volts it doesn't matter
And that quote isnt in reference to dual core chips. The stock voltage for a single core chip is 1.5 and up.
Im not worried about the Volts anymore... I just don't know what to do, I mean when I run at 220X10 core 0 is fine while core 1 fails in less than 1 second
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