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Crosshair IV Formula Load-Line Calibration - Page 2

post #11 of 17
Thread Starter 
Quote:
Originally Posted by Spongeguard View Post
You people are insane

This is your CPU
This is your CPU with vdroop
This is your CPU with LLC at high voltages

Maybe it's just my experience with Intel that says LLC is dangerous at high voltages.. maybe it's different with AMD
I'd rather just stay away from it if vdroop is not bad.
Hahaha well put but at 50% calibration, my load voltage with LLC is still a bit below my BIOS set voltage, according to CPU-Z (temperature is also indicating voltage is perfectly fine). It seems LLC is a life saver!
    
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post #12 of 17
Hi Gibb007,

Congrats for your new mobo !!! I hope you (will) like it

Run the LLC @ 100%(Full Calibr.). That will allow you to set your Vcore even lower --> your IDLE Vcore will be lower by 0.05V, at least.
Dont know if you noticed, but you have to set "CPU & NB Voltage Mode" to Offset if you want CnQ to work (Multi x18.5 max.)
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post #13 of 17
Thread Starter 
Quote:
Originally Posted by IOSEFINI View Post
Hi Gibb007,

Congrats for your new mobo !!! I hope you (will) like it

Run the LLC @ 100%(Full Calibr.). That will allow you to set your Vcore even lower --> your IDLE Vcore will be lower by 0.05V, at least.
Dont know if you noticed, but you have to set "CPU & NB Voltage Mode" to Offset if you want CnQ to work (Multi x18.5 max.)
Hey IOSEFINI, I was hoping you'd have a look too. I've seen your overclocks and they are on the high side of things, hahaha. I'm loving this motherboard. I'll never cheap-out on a motherboard ever again - not after having used one like the Crosshair IV Formula!

I didn't know that about the offset allowing CnQ to keep working, thank you. Couldn't I for example keep the multiplier to a maximum of 18.50x and just change the FSB to get the same clock speed but keep CnQ working?
I always thought that was a way to "cheat" CnQ into staying on. I currently have it disabled, of course, for overclock stress testing purposes.

I think my 4.0GHz (200 x 20.00) overclock is stable with 1.409375V and this is with 50% calibration on LLC. I'll give 100% calibration a go and see how low (voltage-wise) I can drive it!
    
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post #14 of 17
Quote:
Originally Posted by Gib007 View Post
Hey IOSEFINI, I was hoping you'd have a look too. I've seen your overclocks and they are on the high side of things, hahaha. I'm loving this motherboard. I'll never cheap-out on a motherboard ever again - not after having used one like the Crosshair IV Formula!

I didn't know that about the offset allowing CnQ to keep working, thank you. Couldn't I for example keep the multiplier to a maximum of 18.50x and just change the FSB to get the same clock speed but keep CnQ working?
I always thought that was a way to "cheat" CnQ into staying on. I currently have it disabled, of course, for overclock stress testing purposes.

I think my 4.0GHz (200 x 20.00) overclock is stable with 1.409375V and this is with 50% calibration on LLC. I'll give 100% calibration a go and see how low (voltage-wise) I can drive it!
Yes, you can keep your multi @ 18.5 --> FSB after that.
Dont have to Disable CnQ during the OC(stress test). Mine is enabled. Always.
Top class mobos. Always(ASUS for me).
Here is a pic with my 4GHz OC(latest).
Check the Volts.(Dont shoot me)

Edited by IOSEFINI - 1/15/11 at 1:06pm
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post #15 of 17
Thread Starter 
Quote:
Originally Posted by IOSEFINI View Post
Yes, you can keep your multi @ 18.5 --> FSB after that.
Dont have to Disable CnQ during the OC(stress test). Mine is enabled. Always.
Top class mobos. Always(ASUS for me).
Here is a pic with my 4GHz OC(latest). Check the Volts.(Dont shoot me)
Wow, nice one mate!
That's one great voltage. I've noted that mine dies at 4.0GHz if during load, the voltage drops below 1.380V or 1.392V or so. LLC is of course on the case here to make sure that my 1.409375V BIOS setting leads to around this mark, keeping 4.0GHz stable. I will try with 100% calibration soon, though!

Asus is indeed legendary. I've been buying Asus motherboards as far as I can remember and have never thought to look at any other. If that company dies, I'm out of the computing business forever, hahaha!
    
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post #16 of 17
Quote:
Originally Posted by Gib007 View Post
Wow, nice one mate!
That's one great voltage. I've noted that mine dies at 4.0GHz if during load, the voltage drops below 1.380V or 1.392V or so. LLC is of course on the case here to make sure that my 1.409375V BIOS setting leads to around this mark, keeping 4.0GHz stable. I will try with 100% calibration soon, though!

Asus is indeed legendary. I've been buying Asus motherboards as far as I can remember and have never thought to look at any other. If that company dies, I'm out of the computing business forever, hahaha!
With LLC @100%, you will need 1.35-1.3625V BIOS. Anyway, pretty good chip you have there if you are stable @ that volt with H50. If your temps are OK, push it a lil bit
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post #17 of 17
Thread Starter 
Quote:
Originally Posted by IOSEFINI View Post
With LLC @100%, you will need 1.35-1.3625V BIOS. Anyway, pretty good chip you have there if you are stable @ that volt with H50. If your temps are OK, push it a lil bit
Good news, with LLC at 100%, I've got 4.0GHz stable with just 1.362500V!
Now to push the envelope!

EDIT: Now trying 4.2GHz (200 x 21.0). 1.45V in BIOS is driven to about 1.50V with LLC at 100% on full load. Temperature doesn't exceed 50 degrees Celsius so still good. Seems to be working so I might be able to lower the voltage a tad. Let's see. Does the CPU/NB play a role in overclock stability?
i.e. do I need to overclock the CPU/NB to achieve CPU overclock stability?
I highly doubt this myself since these are two separate variables but perhaps there's statistical evidence to them being linked, stability-wise.
Edited by Gib007 - 1/15/11 at 6:14pm
    
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