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post #4741 of 5772
Quote:
Originally Posted by superkyle1721 View Post

Code 41 typically is caused by either too tight tertiary timings or not enough voltage but either way both point to the ram. What type of ram are you using and what is the xmp profile for it? Try increasing the dram and SA voltage a bit and see if it goes away. Either that or instead of using xmp try manually entering in the xmp profile and temporarily set Dram to 1.45V, VCCIO to 1.2V and SA to 1.2V. If it all works fine slowly lower each voltage until you find the culprit.

EDIT: Also set maximus tweak to 1


Always destroying exergy

RAM is GSKILL Trident Z 16GB (2x8GB) 3200mhz 14-14-14-34 1.35v
Thanks for your reply. If it's ram, wouldn't the system blue screen and not just power down and restart? Either way, I'm going to run memtest since you brought that up, will also try those settings. Thanks
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post #4742 of 5772
Quote:
Originally Posted by superkyle1721 View Post

I hooked mine up to the pump socket. I also have my fans connected directly to the board so I can have better control over the fan curves of each fan.


Always destroying exergy
Alright, thanks!
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post #4743 of 5772
It can blue screen certainly but when I was testing my ram overclock I thought I was stable and out of the blue it would just shut off without warning and restart. I increased the dram voltage a little and SA voltage and haven't had the problem since. I would assume this will fix your issue.
post #4744 of 5772
Quote:
Originally Posted by sebna View Post

Hi All,

Just wondering if yours ASUS Maximus VIII Hero / Alpha does it as well?

It happens independently of if OCed or running stock. I am talking about brief corruption at each boot like on this short vid down below?

Only happen when boot is set with graphical backdrop. When in traditional post "text mode" it is all ok.

https://youtu.be/lEw9uAD_Jg0

Thanks

Guys, so many owners, please let me know if your mobo also does it.

And on the other subject QR code 55 - any indication what to adjust to stabilize ram?
post #4745 of 5772
code 55 is a much more common memory code that can be fixed by increasing dram or SA voltage but try dram first. Code 41 is due to too tight timing but adding a bit of voltage can help stabilize the ram and allow it to run at those timing. Both cases are fixed the same way. Up the voltage.
post #4746 of 5772
And what about VCCIO voltage (or whatever it is called?)
post #4747 of 5772
Here is a general guideline for skylake. Samsung based ram actually shows great benifit with increased voltage near 1.8V but unless you are overclocking 1.4-1.45V should be more than enough.



To ensure stability you can certainly increase VCCIO voltage SA voltage and Dram voltage. Once you are sure its stable try lowering the voltage of SA first followed by VCCIO and then Dram to find the limit of the ram. Realistically though you shouldnt need more than around 1.2V on either VCCIO or SA unless you have a massive OC. If you are running and XMP priflie most are set to work around 1.35V so setting Dram to 1.4 should allow plenty of room to determine if the issue is voltage. Start with 1.4V and test if it doesnt work try 1.45. 1.5V and higher is only needed for really tight timings and massive OCs so shouldnt need that much voltage.
post #4748 of 5772
So far I am not having too much results with my RAM 32gb, 2x16, 3200 14-14-14-32 1.35 Trident Z.

I can boot and bench no problem up to 3600mhz (have not tried higher) but cannot stabilize it so far at any OC... I will have to play with it more and start doing it more systematically. So far I was trying rather random shots at different clocks.

I am aiming art 3400 14-14-14-34-1t but it might be a long shot.
post #4749 of 5772
Remember TRDWR_sg TRDWR_dg and TRDWR_dr + TRDWR_dd (stole this jpmboy wink.gif ) . When going higher than 3600 these need to be set on same level as CAS value otherwise board will give you a 55 POST CODE. Also more overclock requires more voltage. Dont expect to get very high on the same voltage. Many of the ram clockers here run upwards to 1.8+V on Dram to stabilize high overclocks.
post #4750 of 5772
Thread Starter 
Quote:
Originally Posted by superkyle1721 View Post

I know the lower LLC will fix it. I guess I'm just curious is something changed bc it was not behaving like this previously. Also by lowering the LLC wouldn't that effectively do the same as lowering the commanded voltage in bios to achieve the correct voltage? My understanding is I'm basically phasing the voltage either way effectively.


Always destroying exergy

LLC and the set VID are two different things electrically.
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