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[Official] RYZEN 7 1800X | 1700X |1700 Owners Club & 4GHz+ Club - Page 935

post #9341 of 11544
Quote:
Originally Posted by savagebunny View Post

So pretty much what we can take away from this (Which I already knew the answer to)

oscilloscope > DMM > software

For us plebs just use a DMM. No one in there right mind on this forum is gonna get a oscilloscope just to check there vcore, soc,vddp, vddr etc. Unless you test everything in a lab, then no one will have 100% correct readings. Either way, using a DMM is so much better for accurate readings in this conversation.

Maybe if you're a EE, work in a loco shop like my cousin (lead EE for GE) then yes, he has the equipment that I can use, will I? no, I'm not shooting for world records where I wanna be 0.0000001mV accurate (randomly made up number)

I'm not trying to piss in anyone's cheerios, but you gotta realize what people are doing here.

There are some "decent" USB scopes available for less than a mid range DMM.

http://store.digilentinc.com/analog-discovery-100msps-usb-oscilloscope-logic-analyzer-limited-time/

Get something like this for under 100 bucks if you shop around and / or get on a uni. mass buy. I really like this one because being USB can be driven from a laptops battery supply. Very handy for doing RF. (Turning a probe end into an antenna). All it really needs out of the box is proper BNC style 50 Ohm terminated probes.

Of course its always down to different tools for different jobs. SpecAn, Logic NA, 2-port, S-parameter... DMMs have there place as well.
Quote:
Originally Posted by chew* View Post

Well this is over clocking on a budget 101.

If you really want we can grab a snap on scanner and get nitty gritty. It has a very good graphing dmm plus other goodies built in...

Regardless one can not ignore qualified individuals well known in the community recommendations.

I mean raja works for asus...measuring at caps would make the asus look better....they have a measuring pad...recommend measuring @ socket still....

As it stands its 1.41v with llc 5 (@1.40 in bios) is certainly going to have some droop at 5 gig on ln2...

Me personally if i was doing a review of a board and could not measure socket...i might measure caps make a mental note and it would stop there and i would keep it to myself.

The point here is that measuring off a pad, a cap, a resistor, a pin, a diode, makes no difference when measuring voltage on a particular node. Its a fundamental principle of Kirchhoff's laws in circuit analysis. If you are seeing a different voltage consistently there is something being overlooked in the circuit, like a snub resistor, or your referencing a different ground. Such as an analog ground, a digital ground, earth ground, a ground plane, so on and so forth. Some of these grounds dependent on what the designer thought appropriate could be floating. Its also plausible that manufacturers are putting some conformal coating on the part which is inhibiting a proper connection.
Quote:
To many people read way to deeply into it blow it out of proportion due to just not knowing any better then its omg...

Just saying...

Why people always bring a lab instrument into the discussion when two people are using a dmm at different points on a board never ceases to amaze me...

Apples to apples all of a sudden becomes a apples to oranges discussion...but neither person is using an orange...

Voltages in parallel are equal, its how the DMM takes the measurement, its not about knowing any better, its a fundamental fact. A cap is a very good place to measure DC when its being used as a voltage hold up, as the cap acts as an open circuit in DC, meaning the DMM is sure to be reading the open circuit DC voltage at the solder joints (give or take introducing a meg or so of resistance to the circuit).
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post #9342 of 11544
Quote:
Originally Posted by Ceadderman View Post

As far as I know the reason 3200 speed eludes us is due to board manufacturers are playing catch up providing a BIOS that takes advantage of these chips.

However that is only with 2 slots populated not 4. If you buy 4 sticks of 3200 speed expecting to OC to 3200 across all 4 slots... well the joke is on you. Most every AMD enthusiasts who OC know that you get stable clocks only populating 2 slots.

I doubt companies like ASUS would knowingly lie to the consumer in their board specs. "3200(OC)" isn't deceptive, but I do wish the would list it like this in their board spec sheet... 3200(OC)x2 because that would keep the newbs from being greedy and then returning parts they used but didn't need in the first place. rolleyes.gif

~Ceadder smil3dbd4e4c2e742.gif

The QVL on the Asus webby says as much. I'm not seeing where they lied about anything. thumb.gif
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post #9343 of 11544
Quote:
Originally Posted by gupsterg View Post

Reddit thread posted hailing AMD people, please share your gripes members.

The 20 C offset is nonsense.

I would like to be able to fine tune XFR.

There have been some other quirks but I'm willing to chalk those up to winblows 10 being what it is... rolleyes.gif
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post #9344 of 11544
after finally getting some working ram

i gotta say I'm disappointed in ryzen

I only get 3.8ghz with reasonable volts (1700)

i'm srsly considering returning all this stuff and getting some 2nd hand intel stuff

also realzied that none of the things i do except for cad actually uses 16 threads
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post #9345 of 11544
Quote:
Originally Posted by dieanotherday View Post

after finally getting some working ram

i gotta say I'm disappointed in ryzen

I only get 3.8ghz with reasonable volts (1700)

i'm srsly considering returning all this stuff and getting some 2nd hand intel stuff

also realzied that none of the things i do except for cad actually uses 16 threads
It sounds as if you might have too much money to play with, Second hand Intel won't be better for you.
post #9346 of 11544
Quote:
Originally Posted by gupsterg View Post

+rep thumb.gif .
thumb.gif .
Indeed, socket is best.

Why the "lab instrument" is relevant is DMM is not capturing undershoot/overshoot as oscilloscope does. So when members view someone saying I get x for x LLC on x vcore they may not be getting right "picture".

See Raja@Asus oscilloscope data, is in OP of thread in my sig, section LLC settings on C6H plus some info by The Stilt.

By this post I do not mean to detract any value from what members/experienced OC'ers, etc are sharing, but just highlighting why certain information is better than other information and to aid myself plus others smile.gif .

Just an enthusiast giving his "2c" smile.gif .

Hey thanks for the rep! thumb.gif

On the side, one reason to probe close to the point of interest when using a scope is to reduce ringing on the probe. An issue that comes up is that the cap inside the probe, with the 50 ohm termination when combined with inductance from long wire leads creates an LRC circuit which oscillates. So if your looking at some square waves as an example, you may see some leading edge overshoot. Now the question is, is it really there? Or is it just the probe ringing?

On circuits which exhibit or leak RF, the stupid scope will sometimes couple to the circuit as well and resonate which is another pain to deal with. (Like trying to probe the gate on a high speed switching fet common source, with a big inductive load).

Further still is Gibbs phenomenon, which is another headache when your looking at mixed signals or DSP work.

Anywho, Cheers!
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post #9347 of 11544
Quote:
Originally Posted by dieanotherday View Post

after finally getting some working ram

i gotta say I'm disappointed in ryzen

I only get 3.8ghz with reasonable volts (1700)

i'm srsly considering returning all this stuff and getting some 2nd hand intel stuff

also realzied that none of the things i do except for cad actually uses 16 threads

I'd swap you a 7700K RIG for your Ryzen RIG, but don't have one tongue.gif
post #9348 of 11544
AX370 Gaming 5 just did something odd. I got a bluescreen x0101 stop meaning RAM. Restarted and noticed my OC values were different (Lower) and my Bios version went from F3 to F4. I know for a fact I have been using the release BIOS from the backup bios switch and now it appears its like it auto updated to F4??? Anyone experience this?
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post #9349 of 11544
well figured I'd post

New Ryzen 7 1700 owner. I have it paired with the Asus Crosshair VI Hero and Corsair Platinum(8gbx2) DDR4 3000mhz Mem.

Currently Running at 3.9ghz with 1.35 volts under water, with DDR4 2667mhz memory speed.

Updated the bios via windows software utility holy cow that took forever. Now running 1002, and haven't tried to mod anything else yet. Hope to push it further soon, but it's already pretty snappy.
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post #9350 of 11544
Quote:
Originally Posted by dieanotherday View Post

after finally getting some working ram

i gotta say I'm disappointed in ryzen

I only get 3.8ghz with reasonable volts (1700)

i'm srsly considering returning all this stuff and getting some 2nd hand intel stuff

also realzied that none of the things i do except for cad actually uses 16 threads

You still have 8 physical cores, that counts for a lot. And as it ages I guarantee it will outrun the 7700k or any other 4-6 core chip.

My 1700 can do 4.1 with 1.5V. which is kinda nuts. But I'm running 3.95 @ 1.375v on water as my daily. *fine tuning might help a bit.*

If all you're worried about is gaming right now I'd get a 7700,7600 or wait for the 7740. Those will run your games with ~10-20fps higher, but do you really need it?

I just got out of a 6950x @ 4.3Ghz with 1.35V and it's not so different for gaming and about 90% the same for the rendering in premier I do. I'm very pleased with the lower temps/power usage on my 1700. thumb.gif



Sure Ryzen doesn't do crazy 5ghz clock speeds just yet. But that's not to say that Zen2 won't be better, and there's rumors of R9 12, 16, core and 24 core chips coming as well. If that doesn't get you excited then idk what to say.
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