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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 168

post #1671 of 3450
@jeztur2003 I see your ASIC went up? is that from the 1033mv memory?

I like to see round numbers on GPUz haha... Post more please... Pleasing numbers to the eyes.

1320Mhz core rounds out to 42.224GPixel/s & a square 190.0GTexel/s
2188Mhz memory rounds out to a square 280GB/s more appealing to look at haha

With GeneraleRamon's timings in the 2000Mhz slot : BTW @generaleramon Firstly, Thank You. Side note, may you post future timings without the spaces? haha took me a minute to delete them haha wink.gif

So @jeztur2003 it's clear the 1033mv helped reduce errors... which is telling us something. Maybe you can get no errors at 2167mhz 1033mv and 2188mhz 1033mhz on GeneraleRamon's timings?

Maybe we can work together to line it up error free? Experience for us all.

Jeztur2003_1320mhz_2167Mhz_1033mv_With_GeneraleRamonTimings_.zip 110k .zip file
Jeztur2003_1320mhz_2188Mhz_1033mv_With_GeneraleRamonTimings_.zip 110k .zip file
Edited by chris89 - 3/29/17 at 3:50am
post #1672 of 3450
Quote:
Originally Posted by chris89 View Post

I like to see round numbers on GPUz haha... Post more please... Pleasing numbers to the eye.

1320Mhz core rounds out to 42.224GPixel/s & a squad 190.0GTexel/s
2188Mhz memory rounds out to a squad 280GB/s more appealing to look at haha

With GeneraleRamon's timings in the 2000Mhz slot : BTW @generaleramon can you post future timings with the spaces? haha took me a minute to delete them haha wink.gif

So @jeztur2003 it's clear the 1033mv helped reduce errors... which is telling us something. Maybe you can get no errors at 2167mhz 1033mv and 2188mhz 1033mhz on GeneraleRamon's timings?

Maybe we can work together to line it up error free? Experience for us all.

Jeztur2003_1320mhz_2167Mhz_1033mv_With_GeneraleRamonTimings_.zip 110k .zip file
Jeztur2003_1320mhz_2188Mhz_1033mv_With_GeneraleRamonTimings_.zip 110k .zip file

ok gonna give the 2188 a shot first will report back soon. Might be a little delay have to get kids up and ready for school smile.gif
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post #1673 of 3450
Cool dude. What I meant about scaling was DPI scaling so everything isn't so microscopic ya know? Especially at 4096x2160.

It seems now I set size to 200% and it's 100x better... plus GPUz doesn't mess up when actually at this resolution. Only does it with VSR so were good. haha

4096x2160 on a samsung is unreal, dudes

Just to let ya know I went from a old lcd 1080p samsung and it's a high quality picture.

Took about 2 seconds and I have forgotten about that old thing. This led 4k 4096x2160 samsung looks way prettier at 1080p and all other resolutions. Though I had to turn on Game Mode to reduce input lag... which on my LCD didn't need to. However game mode looks good/ no different on the new samsung 4k tv's unlike Game mode on the old one.
Edited by chris89 - 3/29/17 at 3:57am
post #1674 of 3450
Quote:
Originally Posted by chris89 View Post

Cool dude. What I meant about scaling was DPI scaling so everything isn't so microscopic ya know? Especially at 4096x2160.

It seems now I set size to 200% and it's 100x better... plus GPUz doesn't mess up when actually at this resolution. Only does it with VSR so were good. haha

4096x2160 on a samsung is unreal, dudes

Oh yeah misinterpreted that about gpu-z Yeah scaling can suck with some apps. BTW the 2188 is blacking out after a minute on desktop so going to try to quickly put the 2167 on
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post #1675 of 3450
Thread Starter 
Increasing the "mem" voltage only help if the IMC is unstable at the memory frequency you are using.
Errors can be generated by the memory but also by the memory controller (imc)... And in the first case voltage won't help.

My imc can be stable up to 2150-2175mhz at stock timings using 1025-1050mv... With my ubermix my max frequency is 2100mhz. 2100mhz+ mem give me errors but a voltage increase won't help because the errors comes from the memory ic,not from the imc... Sorry for the bad english
post #1676 of 3450
Uh oh can't make it back in to program bios...
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post #1677 of 3450
Oh okay so memory errors from IMC "Integrated Memory Controller". Which has a static 900mv value on Polaris... Can we increase it via hex to 933mv?

Otherwise we can simply increase core voltage to attempt to offset and correct the errors.

Oh that's no good haha maybe timings are cutting out? Usually that won't occur on regular timings, just tons of errors.

Let's increase memory voltage and try 2188mhz... on default timings... you were down to 9 errors anyway, at 4GB usage... it's best to throw 8GB load at it to see the real error count...

It's not always ideal to do this actually but if it helps then were good... haha 1067mv memory voltage stock timings 2188mhz.

Jeztur2003_1320mhz_2188Mhz_1067mv__86C_88C_86C.zip 110k .zip file
post #1678 of 3450
I barely made it to open atiflash and got error reading rom then black screen. Maybe I can boot in safe mode I'll give it a try in a bit kiddos are up now. I have a backup r7 laying around if necessary. It seems like it doesn't black out for a minute maybe it's when radeon settings autostarts. I can try to get in long enough to disable auto start on it.
Edited by jeztur2003 - 3/29/17 at 4:12am
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post #1679 of 3450
Oh, so does your card have a BIOS switch?

If not quickly open ATIWinFlash and flash new bios and do nothing else as quickly as you can.

Back on the 380x, the VDDC, and VDDCI (integrated memory controller) voltage were the cause of Black Screens. Meaning if I had too low of VDDCI ie IMC voltage it would black screen. Particularly in relation to it's offset to the VDDC. The offset had to be within a tight "window" to perform properly. I have this value in notes, but likely no one cares about Tonga anymore? haha. If a reference 380x 4gb pops up, I so wanna give it a go again. With the 380x at 1250mhz, it was like as fast as all the better cards like 290x, 390x, rx 480.

The VDDCI is static on Polaris at 900mv. On Tonga it started out at 1175mv.

Knowing this, I can hex mod more VDDCI to 933mv. 2nd Option increase core voltage. 3rd Option hex mod 933mv VDDCI (IMC). 4th Option dial back clocks until no errors ie probably 2149Mhz (275GB/s).

To calculate memory throughput for Polaris. Take your desired memory GB/s call it 275.1 (add .1 to round up as it requires it to show properly in GPUz). So 275.1 multiplied by 7.8125 = 2149.21875Mhz. In the opposite you could determine GB/s by taking Clock call it 2000 divided by 256GB/s = 7.8125... Applies to all video cards. The number will change according to "Bit Width".
Edited by chris89 - 3/29/17 at 4:18am
post #1680 of 3450
I don't have enough time to flash before it blacks out unfortunately. I think disabling radeon settings autostart is gonna work. I got into safe mode but wouldn't do any good cause can't do anything without being signed in as admin.
Edited by jeztur2003 - 3/29/17 at 4:34am
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