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post #4151 of 12377
Quote:
Originally Posted by Pudfark View Post

@Ultracarpet

I'm a noob at overclocking.
We have similar systems, to include CPU, MB and Rev 1.1
I currently have F9 bios.
It would truly make a difference to me, if you could post some screen shots of your bios settings.
It's a lot to ask of you, I do believe others would benefit as well.
I would change to F7, if in your opinion, it would be better/easier?

Any thing further, that you can throw this way, would be very much appreciated.
Thank You.

I disabled C1E, C6, APM, CnQ, and core boost. Then changed the fsb, multi's, and voltages all to manual... but didn't overclock any of them. The only things i have changed are my vcore, set at 1.475 and my LLC set to regular... which results in an overvoltage and a min-max of 1.488 and 1.552 under load. My temps maxed at 52 c. That was my 14 hour prime run at 4.8 Ghz.

Quote:
Originally Posted by opty165 View Post

Hey guys,

I've just recently become an owner of a rev 1.0 board. I didn't know it when I purchased it that it didn't have LLC. Will this seriously effect my overclocking ability's on my 8350? I've read some posts about the voltage being all over the place without LLC. Are there any tricks or tips for this particular board? Or is it just constant fine tuning. If there's any rev 1.0 owners that have achieved decent overclocks, I'd love to hear how you did it!

My rev 1.1 WITH LLC is a roller coaster XD. If i were you i would just update to the latest bios, and jack the vcore up to like 1.5 (if your cooling can handle it) and turn prime on to see what the vdroop is like. I don't see why the 4.7-5.0 range wouldn't be attainable with that board though.... oh and be wary of the VRMS... They get HOT. I had to put a spot fan on them or i start getting throttling issues around 1.475v.
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post #4152 of 12377
Quote:
Originally Posted by Ultracarpet View Post

I disabled C1E, C6, APM, CnQ, and core boost. Then changed the fsb, multi's, and voltages all to manual... but didn't overclock any of them. The only things i have changed are my vcore, set at 1.475 and my LLC set to regular... which results in an overvoltage and a min-max of 1.488 and 1.552 under load. My temps maxed at 52 c. That was my 14 hour prime run at 4.8 Ghz.
My rev 1.1 WITH LLC is a roller coaster XD. If i were you i would just update to the latest bios, and jack the vcore up to like 1.5 (if your cooling can handle it) and turn prime on to see what the vdroop is like. I don't see why the 4.7-5.0 range wouldn't be attainable with that board though.... oh and be wary of the VRMS... They get HOT. I had to put a spot fan on them or i start getting throttling issues around 1.475v.

Although I do not have a FX CPU, you should not have to disable the cooling and power saving features of a processor to reach a good 24/7 overclock.

Take a look at my sig CPUz. I have all CnQ, C1E, etc enabled. I have steady power at full tilt and I'm 24/7.

It is a bit more work to find the sweet spot on the 1.0 boards yes. LLC just makes it easier for OC'ers. Let alone the ud3 does not have DrMOS that LLC was originally intended for. The Ud3's power is separated drivers and mosfets.
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post #4153 of 12377
Quote:
Originally Posted by MadGoat View Post

Although I do not have a FX CPU, you should not have to disable the cooling and power saving features of a processor to reach a good 24/7 overclock.

Take a look at my sig CPUz. I have all CnQ, C1E, etc enabled. I have steady power at full tilt and I'm 24/7.

It is a bit more work to find the sweet spot on the 1.0 boards yes. LLC just makes it easier for OC'ers. Let alone the ud3 does not have DrMOS that LLC was originally intended for. The Ud3's power is separated drivers and mosfets.

i intend to turn on the power saving options after i find my 24/7, i just sleep better at night with them off while finding my oc... I just don't understand why every LLC setting (no matter which bios) overvolts my cpu by at least 0.05v. Could it possibly be my power supply?
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post #4154 of 12377
Quote:
Originally Posted by Ultracarpet View Post

i intend to turn on the power saving options after i find my 24/7, i just sleep better at night with them off while finding my oc... I just don't understand why every LLC setting (no matter which bios) overvolts my cpu by at least 0.05v. Could it possibly be my power supply?

Glad to hear it.

Every boards LLC is different. (No two boards are created equal) Your sounds like it has a more accurate Voltage Monitoring.

Disable LLC if need be. LLC is really only there to keep the Vcore from dropping from inrush current when a cpu goes from idle state to full load (worst case scenario)


For these brief moments the vcore can drop as current demand increases dramatically and while the VRM's are reacting to the demand. This can cause large instability. So they came up with LLC. LLC looks for the voltage drop and supplies added current while the VRM's catch up. Seems all good in theory...

It does work to a certain point. But as processors become smaller, they are also becoming more and more sensitive to OVER voltage. LLC adds voltage during needed "ramp up" situations but also cant react fast enough when demand drops. This causes voltage SPIKES that are more often not noticeable via monitoring software. This intern is causing a whole new problem for Overclockers. These Spikes with LLC is causing Instability in the OC field and most don't even realize it.

At higher overclocks of a chip, you are generally pushing the voltage to its higher limits. Where as LLC would have not been a problem at lower voltages, it is now causeing much higher voltage spikes at the new higher voltages used to obtain the overclock in question.

Moving forward further; when enabling C1E and CnQ power saving features, your asking a processor not only to lower its clock speed but also its voltage during idle situations. Pulling the processor out of idle is the tricky part. Your ramping clocks and voltage together all while putting a load on the processor as well. This is too quick for the VRM's to keep up with and is where LLC steps in to keep vdroop from killing the system.

there is good and bad and this long explanation I'm sure no one will read anyway.

So the short of it:

Use the least amount of LLC you can at higher OC's and voltages to maintain stability.
Edited by MadGoat - 1/11/13 at 8:09am
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post #4155 of 12377
Quote:
Originally Posted by MadGoat View Post

Glad to hear it.

Every boards LLC is different. (No two boards are created equal) Your sounds like it has a more accurate Voltage Monitoring.

Disable LLC if need be. LLC is really only there to keep the Vcore from dropping from inrush current when a cpu goes from idle state to full load (worst case scenario)


For these brief moments the vcore can drop as current demand increases dramatically and while the VRM's are reacting to the demand. This can cause large instability. So they came up with LLC. LLC looks for the voltage drop and supplies added current while the VRM's catch up. Seems all good in theory...

It does work to a certain point. But as processors become smaller, they are also becoming more and more sensitive to OVER voltage. LLC adds voltage during needed "ramp up" situations but also cant react fast enough when demand drops. This causes voltage SPIKES that are more often not noticeable via monitoring software. This intern is causing a whole new problem for Overclockers. These Spikes with LLC is causing Instability in the OC field and most don't even realize it.

At higher overclocks of a chip, you are generally pushing the voltage to its higher limits. Where as LLC would have not been a problem at lower voltages, it is now causeing much higher voltage spikes at the new higher voltages used to obtain the overclock in question.

Moving forward further; when enabling C1E and CnQ power saving features, your asking a processor not only to lower its clock speed but also its voltage during idle situations. Pulling the processor out of idle is the tricky part. Your ramping clocks and voltage together all while putting a load on the processor as well. This is too quick for the VRM's to keep up with and is where LLC steps in to keep vdroop from killing the system.

there is good and bad and this long explanation I'm sure no one will read anyway.

So the short of it:

Use the least amount of LLC you can at higher OC's and voltages to maintain stability.

QTF. A lot of people cause issue's setting LLC too high.

Man I feel lucky with my board, its a UD3 1.0 (no LLC). My voltage is pretty stable. I set it at 1.450v and get 1.440v.
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post #4156 of 12377
Quote:
Originally Posted by MadGoat View Post

Glad to hear it.

Every boards LLC is different. (No two boards are created equal) Your sounds like it has a more accurate Voltage Monitoring.

Disable LLC if need be. LLC is really only there to keep the Vcore from dropping from inrush current when a cpu goes from idle state to full load (worst case scenario)

I don't think i can disable LLC. My LLC settings are: Auto, Regular, Medium, High, Ultra High, Extreme.

starting from regular setting and working up the list results in the over voltage increasing a tiny bit but for the most part they all do the same thing. The extreme setting oddly enough, makes my idle voltage about -0.03 to -0.05v from what the vcore was set at, but then at load it only over volts about the same amount as the regular setting.

this has been the case with every bios version i have used.
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post #4157 of 12377
@Ultracarpet

Many Thanks....I owe ya a cold beer or several. smile.gif
Thanx also for including your insights.
post #4158 of 12377
Quote:
Originally Posted by Pudfark View Post

@Ultracarpet

Many Thanks....I owe ya a cold beer or several. smile.gif
Thanx also for including your insights.

np, anytime
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post #4159 of 12377
< revision 1.0 here as well

don't need LLC to achieve high overclocks. Voltage is set to 1.475 in bios under load its around 1.45-1.46. Small amount of Vdroop. This is with the 8120@ 4.945ghz. Piledriver is a bit more power efficient so vdroop shouldn't be as bad.

Settings on other things

muti x 23
FSB 215
Cpu Pill 2.525
Vcore 1.475
Cpu NB +.200 (forget the actual voltage off the top of my head)
NB Speed 2365 (11x muti)
Hyper Transport 2795 (13x muti)
everything else is at stock values.

Mem 2006mhz
9-9-9-27 @1.66 volts Unganged, dual channel.

Cool and Quiet on, C6 on, C1E off

Water cooled by a XSPC Raystorm RX240 Kit, with corsair sp120 in push pull. Full load temps are around 44c Idle temp 30c


My Cpu will do 5.2ghz at 1.6volts but vdroop at that voltage is horrible dropping all the way to 1.54 volts. Stable enough for a few benchmarks before ultimately crashing due to voltage swings. LLC is nice but its not needed unless you truly plan to push the limits of your chip. Below 1.5 volts standard mosfet and driver design works well with out terrible vdroop. Above 1.5 volts and things get dicey from my experience anyways.
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post #4160 of 12377
@Ultracarpet thumb.gif

"I disabled C1E, C6, APM, CnQ, and core boost. Then changed the fsb, multi's, and voltages all to manual... but didn't overclock any of them. The only things i have changed are my vcore, set at 1.475 and my LLC set to regular... which results in an overvoltage and a min-max of 1.488 and 1.552 under load. My temps maxed at 52 c. That was my 14 hour prime run at 4.8 Ghz."

It worked Perfectly.smile.gif

I read many, many postings from all over the web.
Some of them were over a thousand words on how to
overclock the Piledriver/Vishera Cpu. None of them
were stable and some didn't work at all.

You got the job done in 71 words.
Which I quoted above.

I'm 57 years old and I thought brevity and conciseness were gone forever.
I'm just blown away and extremely appreciative of your unselfish efforts and hard work.
I will be sharing this information with others and certainly crediting you for it.
Thank You
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