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ROG Crosshair VI overclocking thread - Page 789

post #7881 of 17513
I have no idea why everyone is trying to overclock with P states. I have been overclocking for 20 years and see no need. Just set your multiplier and manual volts to get stable, seriously all that effort to have the chip downclock when idle really does nothing. I mean at 3.9ghz and 1.387v or whatever you achieve, when idle your temps, watts, and energy used is not any higher than P states, well not significantly. I mean if you want to save ten cents a year for all that trouble, well go ahead. I only see a use for P states in laptops, period.

On another note I have a very odd ram situation. I went all out on some G.skill 3600 C16 2X8 kit because I figured 3600 would be supported eventually, and surely it is B die and would do 3200 Cas 12. Well this kit won't do 3200 mhz at ANY settings or overvolting at all, just fails and drops to 2133. The funny thing is it is perfectly happy running at BCLK 104 which gives it a 3326 ram speed at Cas 14. For some reason 3200 mhz is my memory hole, lol. But I am great with 3326, anything much higher starts failing memtests because of the high BCLK problem. This is all on 1002, not going to try beta bioses as it took me 2 weeks to dial in all this correctly and tested. But if any of you getting 3600 from you kits at a reasonable voltage, please tell me which bios and all your settings as well as how you got the computer stable with high BCLK. thanks
post #7882 of 17513
Quote:
Originally Posted by hotstocks View Post

I have no idea why everyone is trying to overclock with P states. I have been overclocking for 20 years and see no need. Just set your multiplier and manual volts to get stable, seriously all that effort to have the chip downclock when idle really does nothing. I mean at 3.9ghz and 1.387v or whatever you achieve, when idle your temps, watts, and energy used is not any higher than P states, well not significantly. I mean if you want to save ten cents a year for all that trouble, well go ahead. I only see a use for P states in laptops, period.

On another note I have a very odd ram situation. I went all out on some G.skill 3600 C16 2X8 kit because I figured 3600 would be supported eventually, and surely it is B die and would do 3200 Cas 12. Well this kit won't do 3200 mhz at ANY settings or overvolting at all, just fails and drops to 2133. The funny thing is it is perfectly happy running at BCLK 104 which gives it a 3326 ram speed at Cas 14. For some reason 3200 mhz is my memory hole, lol. But I am great with 3326, anything much higher starts failing memtests because of the high BCLK problem. This is all on 1002, not going to try beta bioses as it took me 2 weeks to dial in all this correctly and tested. But if any of you getting 3600 from you kits at a reasonable voltage, please tell me which bios and all your settings as well as how you got the computer stable with high BCLK. thanks

Thought I saw something the other day that broke it down at a per year cost and the difference could be as much as $400 (no clue where I saw that). With that said, I never use the p-states but that doesnt mean they dont have a use (like while I'm at work 10 hours a day and another six or seven while I'm sleeping). I see no reason not to use them really.

As for your memory issue, it has been an interesting ride.

Things you can try:
Drop your BCLK and leave it auto (or set to 99.8)
Loosen your timings to 16 14 14 14 34
SOC .950
DRAM vboot 1.42ish
Set RAM to 3200 and reboot.

If it passes, great. If not, inch up the DRAM vboot with the + key to the next highest. Once it boots, restart and then try to drop the cas down to 14 and see if it trains. If not, set back to 16, increase vboot one more increment. Rinse and repeat. I havent found any benefit in going over .950 for SOC yet but that doesnt mean it doesnt help others.
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post #7883 of 17513
I found a super strange bug. If i set ram to 3600 c13 13 13 13 28, it boots at 14 13 13 13 28. If try to set 12 13 13 13 28 it goes to 15 15 15 15 36
post #7884 of 17513
Quote:
Originally Posted by Huntcraft View Post

I found a super strange bug. If i set ram to 3600 c13 13 13 13 28, it boots at 14 13 13 13 28. If try to set 12 13 13 13 28 it goes to 15 15 15 15 36

Doesnt like odd numbers and it probably couldnt train at 12 so it went to Jedec setting?
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post #7885 of 17513
According to Elmor the overheating emergency shutdown is initiated by Tctl, not by SIO CPU. This makes no difference concerning the problem, though, because the current Sense Skew defaults still prevent the shutdown from happening. A Code 8 happens shortly before emergency shutdown would/should happen and then keeps about 1.0 V Vcore applied to the CPU even when all cooling failed.

This is what temps look like on my 1800X when Sense Skew is used with default settings. This was screenshot short before a Code 8 happened (reproducibly):



And this is what temps look like in the very same situation when Sense Skew is disabled. These temps are real and emergency shutdown happened shortly after taking the screenshot:



As you can see from the CPU (Socket) temps the reported CPU temps in the first screenshot are very problematic. When the fan-curve maximum is set to 75C then the CPU isn't even fully cooled at this point, despite running well towards 110C for real.
post #7886 of 17513
Quote:
Originally Posted by Timur Born View Post

According to Elmor the overheating emergency shutdown is initiated by Tctl, not by SIO CPU. This makes no difference concerning the problem, though, because the current Sense Skew defaults still prevent the shutdown from happening. A Code 8 happens shortly before emergency shutdown would/should happen and then keeps about 1.0 V Vcore applied to the CPU even when all cooling failed.

This is what temps look like on my 1800X when Sense Skew is used with default settings. This was screenshot short before a Code 8 happened (reproducibly):



And this is what temps look like in the very same situation when Sense Skew is disabled. These temps are real and emergency shutdown happened shortly after taking the screenshot:

As you can see from the CPU (Socket) temps the reported CPU temps in the first screenshot are very problematic. When the fan-curve maximum is set to 75C then the CPU isn't even fully cooled at this point, despite running well towards 110C for real.

So the settings in your first image are a stable overclock even though you're getting a code 8? You believe this is due to thermal issues?
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post #7887 of 17513
I can set 14-12-12-12 28 though lol
post #7888 of 17513
Anyways still tuning
post #7889 of 17513
I follow the guide given by another user few page earlier to train the ram step by step
1bclk to 100
2 ram to 2666 mhz
3 dram timing 18-16-16-16-36 ( it was 16 16 16 16 36 in the guide but i can not)
4 Soc to 1 v
5 Dram to 1.375v
6 dram boot to 1.375v
7 set cpu voltage on offset
8 Save and exit
9 return to bios
10 dram to 3200 mhz
11 save and exit
12 return to bios
13 timing to 14-14-14-14-34 ( i cannot do that step)
14 save and exit
15 tweak the blck (mine to 101 )
16 save and exit
17 boot to windows

with bios 0083, it work well but i can not set the timming to 14-14-14-14-34.
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post #7890 of 17513
Is the pstate0 VID settable for 1700s? And will a custom pstate0 VID override the voltage set in Extreme Tweaker? I assume so since the SVI2 reports 1.35V but VID reports 1.188V max.
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