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*Official* Intel DDR4 24/7 Memory Stability Thread - Page 272

post #2711 of 5761
Quote:
Originally Posted by lilchronic View Post

So if trying to figure out the wattage would it be 14Ax12v=168Watt's? That seems like a lot but then again i don't think i converted it right. rolleyes.gif

Hello

My numbers are at the CPU with a VCORE of 1.28V. This will allow you to work out the current difference seen at the +12V EPS connector. The numbers will need to be adjusted accordingly to take into consideration the inefficiency of the VRM circuit.
post #2712 of 5761
Quote:
Originally Posted by Praz View Post

Hello

My numbers are at the CPU with a VCORE of 1.28V. This will allow you to work out the current difference seen at the +12V EPS connector. The numbers will need to be adjusted accordingly to take into consideration the inefficiency of the VRM circuit.
Yeah i was reading up on it a little more and realized where i was wrong.

So im just guessing you need to understand the VRM's components spec sheets and what they are rated for to figure out the inefficiency's of the VRM?

How do you go about finding the inefficiency of the VRM? If it's not to hard to explain.
Or am i kinda on the right track. rolleyes.gif
Edited by lilchronic - 9/1/16 at 1:42pm
post #2713 of 5761
Quote:
Originally Posted by Jpmboy View Post


Good info Praz +1. I only did a very brief experiement looking at package temp with memory at 3400c13, 1.45V VDIMM, 1.02v SA, 1.05V VCCIO vs 2666c12 1.4V VDIMM, same Sa and VCCIO. core and cache at 4.3/3.7 1.281V / 1.25V for both. I only noticed a slight drop in package temp... more lilkely due to me turning up the AC sweating it out. redface.gif
Nevertheless, 14A is pretty significant... was that isolated CPU current or does it include other components? Would you expect the additional current to "manifest" as package or core or "cpu" temperature?


Freakin caselabs Mercury SM8 arrived... after putzing with a few hundred screws late last night, I came to realize that the Aquacomputer Res/pump/fountain thing would not fit unless I cut a 3.5 inch hole in the mid section component. A little time in the garage/shop at the drill press with a bi-metal hole saw and viola. Shoulda bought casters... redface.gif
I gotta snap some pics.. Warning: Spoiler! (Click to show)



Nice JP! I have the S8S version (S8Stumpy) of the S8 case and had to do the exact same cut to the mid plate! I too also notice high package temps. It may be due to the psu heating up the lower chamber as there's no where for the hot air to exhaust. I wish they stamped the back panel of the PSU chamber the same way they did above the PCIe slots.

post #2714 of 5761
Quote:
Originally Posted by Praz View Post

Hello

The amp values are for total processor processor current draw. Package temperature is an average of the highest reporting sensor. That sensor may or may not be one that is visible to monitoring software.
Yeah, we got what PKg temp is. If I understand you correctly: the higher current-induced temperature increase, if there is one, may not be specifically visible to monitoring software, but would be included in the sensors rolled into Package temp? Yep - I'm confused. . redface.gif
werm, for clarity... the increase current experienced with higher ram clocks (like 3400) may or may not show up as a higher package temp assuming we're only monitoring this with software.
Quote:
Originally Posted by djgar View Post

Sure that's not a coffee pot in the bubble wrap? biggrin.gifthumb.gif
I love my M8A, no longer available. Got it just in time.
lol - padding during assembly... I have to make a rubber grommet to go around the 3.5" cutout. redface.gif
but it should look like an old perk coffee pot. thumb.gif
Quote:
Originally Posted by sexpot View Post

Nice JP! I have the S8S version (S8Stumpy) of the S8 case and had to do the exact same cut to the mid plate! I too also notice high package temps. It may be due to the psu heating up the lower chamber as there's no where for the hot air to exhaust. I wish they stamped the back panel of the PSU chamber the same way they did above the PCIe slots.


hey - did you have to make the cutout for the res or did that model offer a mid panel with the cutout?
Edited by Jpmboy - 9/1/16 at 1:45pm
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post #2715 of 5761
^ I took a bi-metal hole saw to the mid-plate smile.gif
Edited by MR-e - 9/1/16 at 1:51pm
post #2716 of 5761
Quote:
Originally Posted by sexpot View Post

^ I took a bi-metal hole saw to the mid-plate smile.gif

lol - me... I had to measure 20 times before cutting once. redface.gif
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post #2717 of 5761
Quote:
Originally Posted by lilchronic View Post

How do you go about finding the inefficiency of the VRM? If it's not to hard to explain.
Or am i kinda on the right track. rolleyes.gif
Typically efficiency of VRM is 9/10.
post #2718 of 5761
I see my L1, L2 and L3 cache latencies are higher than what I saw by most people here, how can i lower them, do I need to overclock the North Bridge?

Edited by kosamchetoo - 9/3/16 at 4:02am
post #2719 of 5761
Quote:
Originally Posted by kosamchetoo View Post

I see my L1, L2 and L3 cache latencies are higher than what I saw by most people here, how can i lower them, do I need to overclock the North Bridge?

L1 and L2 are part of the CPU cores themselves and run at full core speed. The only way to improve their performance is to increase core clock.

The L3 runs at the uncore/NB clock.
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post #2720 of 5761
Quote:
Originally Posted by Blameless View Post

L1 and L2 are part of the CPU cores themselves and run at full core speed. The only way to improve their performance is to increase core clock.

The L3 runs at the uncore/NB clock.
Thank you for your answer. Do you think 1.1ns for L1 and 3.3ns for L2 is ok?
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