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Hawaii Bios Editing ( 290 / 290X / 295X2 / 390 / 390X ) - Page 41

post #401 of 4012
Well I think u need 1.5v + 100mV offset for that.
I'm no expert for that tho smile.gif
post #402 of 4012
So, my testing showed that if I'm @ stock clocks, and set +50% power limit in AB, my clocks are pretty much stable at 1030Mhz.
If I clock it to 1220 for example, and set this limit to +50% then I'm not getting stable 1220Mhz, but its fluctuating, 1217, 1219 etc....
I tried to mod bios, using even crazy values (400/400/400), still the same. It's the same with stock limits(tdp..) as well.
Quote:
Originally Posted by EMYHC View Post

oook thank gupsterg,so i can't fix 1.50?for example with 1.60v?
You are not worried that it's too much volts for the core ? biggrin.gif
What VDDCI(aux) voltage ur using ?
post #403 of 4012
Thread Starter 
Quote:
Originally Posted by EMYHC View Post

oook thank gupsterg,so i can't fix 1.50?for example with 1.60v?

That may be above what ROM allow, IIRC The Stilt stated stock rom have limit of 1.48125V. Just like fat4l's thoughts I think your venturing into chip destroying voltages.
Quote:
Originally Posted by EMYHC View Post

or anyone have a modded bios with no vdroop for r9 390x to send me?redface.gif

I reckon studying the PT roms would yield information how to mod any rom to not have vdroop. As this element has not interested me I have yet to view the PT roms.
Quote:
Originally Posted by fat4l View Post

So, my testing showed that if I'm @ stock clocks, and set +50% power limit in AB, my clocks are pretty much stable at 1030Mhz.
If I clock it to 1220 for example, and set this limit to +50% then I'm not getting stable 1220Mhz, but its fluctuating, 1217, 1219 etc....
I tried to mod bios, using even crazy values (400/400/400), still the same. It's the same with stock limits(tdp..) as well.

What's the max stable clock you get at stock values + 50% and it doesn't drop clocks? just curious smile.gif .

You may wanna chat to Plug2K on guru3d, IIRC he's done some great OCs on his card, he has a 295X2 ref PCB with full waterblock.

Perhaps his experience share will help you out smile.gif .
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post #404 of 4012
Quote:
Originally Posted by gupsterg View Post

What's the max stable clock you get at stock values + 50% and it doesn't drop clocks? just curious smile.gif .
I will have to test this.
U mean, stock volts and all stock just +50% power limit ye?

Quote:
Originally Posted by gupsterg View Post

You may wanna chat to Plug2K on guru3d, IIRC he's done some great OCs on his card, he has a 295X2 ref PCB with full waterblock.
Perhaps his experience share will help you out smile.gif .
I will thanks smile.gif

Could you also please post screenshots of your modded bios you are using ?
I wanna see how you sorted out those mem clocks in mozilla etc.
post #405 of 4012
Thread Starter 
Quote:
Originally Posted by fat4l View Post

I will have to test this.
U mean, stock volts and all stock just +50% power limit ye?

Stock values I meant for TDP/MPDL/TDC in ROM, then plus 50% PL in say MSI AB.

In regards to GPU voltage you'd use what you need for that given OC.

SO for example lets say your testing 1190MHz and you know you need +50MV GPU core voltage offset in MSI AB and then your ROM has stock TDP/MPDL/TDC and you add 50% PL in MSI AB does it still drop clocks?
Quote:
Originally Posted by fat4l View Post

Could you also please post screenshots of your modded bios you are using ?
I wanna see how you sorted out those mem clocks in mozilla etc.

When I did testing Firefox was a different version, it seems with latest version even stock ROM is behaving fine. If I have hardware acceleration ON it jumps to MAX Clock & voltage for a few seconds and then settles down.

When I did do test with older Firefox with HW acceleration OFF it was with GPU Clock 2 lowered to 300MHz with MEM Clock 2 to 150MHz and did not lower MEM Freq table DPM 1 & 2. Post 314 has info.

Anyhow what Berkeley did when using Opera with HW acceleration ON was clock MEM Freq table DPM 1 & 2 same as MEM Clock 2, these 3 values he used 1000MHz.
Quote:
Originally Posted by Berkeley View Post

I am using Opera (with HW-acceleration on) here and mem clock still fluctuating but gpu fluctuates only 300-400.
By pure accident i have tried Firefox recently and was shocked. Even with HW-accel off gpu clock was almost every time at 100%.
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post #406 of 4012
ok thanks.
will try it all when im free smile.gif

I'm also thinking about normalized vcore.
So lets say a refference card is clocked at 1000mhz and will have 1.25v dpm7 at 80% asic.
Now asus makes a card with 1050mhz and the same asic and according to your findings dpm7 will be lower cuz of higher default clock,lets say 1.15v.
This must then mean the refference card will clock better than the custom one?! buttkick.gif

I'm thinking that they are adding those default offsets to balance this fact out right?
My ares had +25mV but only 1.19-1.22v dpm7 which i find very low.
I will make a bios with 1000Mhz clocks to see the voltage and to check if it matches 1030mhz dpm7 voltage+25mV.

I'm also thinking of trying 1.45v dpm7 setting and see how it acts. It will prolly run at only 1.35v cuz of drop with some spikes close to 1.45v but i hope it will be fine:)
I would also like to know what average voltage(in heaven) ppl have with these crazy 1200+ overclocks.

One curiosity, my old 295X2 had ~1.3v on boh cores in heaven with +40mv on gpu1 and with +100mv on gpu2.
This means to me that gpu 2 had higher asic and it was about 79.5% and lower default dpm7 voltage. If load voltage was about 1.2v (without +100mV) then dpm7 must have been about 1.25v minimum.
To me it looks like my old 295X2 used more vcore than my ares 3 with almost the same asic.

thumb.gif
Edited by fat4l - 10/30/15 at 1:41am
post #407 of 4012
Thread Starter 
Quote:
Originally Posted by fat4l View Post

oSo lets say a refference card is clocked at 1000mhz and will have 1.25v dpm7 at 80% asic.
Now asus makes a card with 1050mhz and the same asic and according to your findings dpm7 will be lower cuz of higher default clock,lets say 1.15v.
This must then mean the reference card will clock better than the custom one?! buttkick.gif

Dunno redface.gif .
Quote:
Originally Posted by fat4l View Post

I'm thinking that they are adding those default offsets to balance this fact out right?

I think the same smile.gif .
Quote:
Originally Posted by fat4l View Post

My ares had +25mV but only 1.19-1.22v dpm7 which i find very low.
I will make a bios with 1000Mhz clocks to see the voltage and to check if it matches 1030mhz dpm7 voltage+25mV.

If I do 1000MHz ROM on my card I get DPM 7 as 1.25V, the rom I use has 0MV GPU core voltage offset. This rom is the factory Vapor-X 290X OC edition ROM which I edit the offset out and set 1000MHz clock. The Stilt stated for my leakage ID it should be 1.225V, post 128 of this thread have that info. He never explained why I wasn't getting that.

Using that same ROM but with 1030MHz GPU I get 1.24375V for DPM7, this works out lower than my factory Vapor-X 290X STD ROM when taking the pre-programmed GPU core voltage offset. ie my factory setup is 1030MHz with DPM7 1.24375V + 0.03125V = 1.275V
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post #408 of 4012
Quote:
Originally Posted by gupsterg View Post

If I do 1000MHz ROM on my card I get DPM 7 as 1.25V, the rom I use has 0MV GPU core voltage offset. This rom is the factory Vapor-X 290X OC edition ROM which I edit the offset out and set 1000MHz clock. The Stilt stated for my leakage ID it should be 1.225V, post 128 of this thread have that info. He never explained why I wasn't getting that.

Using that same ROM but with 1030MHz GPU I get 1.24375V for DPM7, this works out lower than my factory Vapor-X 290X STD ROM when taking the pre-programmed GPU core voltage offset. ie my factory setup is 1030MHz with DPM7 1.24375V + 0.03125V = 1.275V

Nice info!
What's your asic?
My default voltage for my default 1030mhz rom is
Gpu1: 1.19375v + 0.025=1.21875v
Gpu2: 1.225v + 0.025=1.25v

The voltage difference seems to be a little bit high but asic quality is very close,ie 79.5% and 78.3%.


However the voltage is still lower than your(and I believe all the custom) custom card(unless very high asic). That's why I was wondering why my ares is not clocking as high with default voltage(no offset) as your/other cards. smile.gif

Gona do 1000MHz rom now. WIll post results soon.
post #409 of 4012
Ok for 1000MHz values it's
1.2v
1.2375v

GPU1 got boosted by 1x 0.00625v. GPU2 got boosted by 2x0.00625v.

1030mhz_79.5%asic_voltage+25mV-offset=1.21875v
1000mhz_79.5%asic_voltage+00mV-offset=1.2000v

1030mhz_78.3%asic_voltage+25mV-offset=1.25000v
1000mhz_78.3%asic_voltage+00mV-offset=1.23750v

If lets say 1.25v is "fine" or "common" default 1000MHz refference DPM7 voltage, I believe adding +200mV shouldn't harm the card(on water).
It will be then 1.45v DPM7, which the card will never rly hit due to vdoop and other stuff.

That's my theory for now biggrin.gif


(edit: dpm7_gpu1 fixed, 1.2v not 1.22v)
Edited by fat4l - 10/31/15 at 6:30pm
post #410 of 4012
Thread Starter 
My ASIC quality 76.1%.

From your results and mine we can clearly see The Stilts posted info that higher asic = leaky asic thus lower VID is true.

I've had 2 other hawaii cards, at that point wasn't aware of bios modding or have the Stilts VID app, also didn't do as detailed monitoring.

The Tri-X 290 was the standard edition 947/1250, it had asic quality of 74.9%. I flashed it to OC edition 1000/1300, both roms had +25mv offset in it though. For the OC bios 3dmark FS was showing MAX VDDC 1.242v, with it set to 1100MHz using either rom with no extra voltage adjustment at all, this hit MAX VDDC of 1.250v. I think the difference is software reading error.

I also had an Asus DCUII 290X STD edition, that had 0mv offset from factory, asic quality 72.1%, default clocks 1000 / 1250. It hit MAX VDDC 1.227v @ default clocks in 3dmark FS, with +31mv for 1070MHz GPU it hit about MAX VDDC 1.258V for 3dmark FS test.

Now my Vapor-X 290X STD edition with factory rom of 1030/1325 with +31mv in it, asic quality 76.1% hit MAX VDDC 1.250v in 3dmark FS. Currently I run the factory rom with tightened ram and DPM0 lowered to 0.937v and DPM7 set to 1.250V plus all the DPMs get +31mv offset anyhow as its programmed into voltage chip. This allows ROM to be set to 1090/1475 and MAX VDDC is 1.250v in 3dmark FS.

I recently did testing like Berkeley had done with GPU-Z render test (default size) and setting gpu clock via MSI AB to see if I left DPM 1 - 6 as EVV like stock ROM what voltage I was getting Stock rom vs Current modded.



Link:- ZIP with MSI AB HML files / screenie for above test table (UEFI = Stock bios UEFI_V4=modded bios)

Perhaps I should do some more iterations of tests above.
Edited by gupsterg - 10/31/15 at 2:41pm
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