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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 197

post #1961 of 3326
I am really curious why my VRM`s are keeping such a high temps even they have a heatsink with thermal pads installed ? I do see also that these VRM`s are not the reference ones as the card is also not reference and ASUS are using some higher-quality grade VRM`s for their cards. Probably they might require a higher voltage to run causing higher temps ?

post #1962 of 3326
@ziXs lets take a look under the black vrm heatsink, shall we? Post pictures in focus high def... select "Super" quality on your camera phone for higher quality. I would suspect a vrm contact issue.
post #1963 of 3326
Quote:
Originally Posted by Na1l View Post

100 degrees on VRM is still within the operational range for this chips. It may be a bit scary for you as water boils is such temperature but this chips have been designed to operate normal in such temperature. It's harmless.

@ziXs

if you would like to insert some screenshot in the posts it is better to use buil-in windows snipping tool than print screen button.

Reading this is making me even happier to see vrm temps on my 290X card.. averages around 60c - 64c vrm temps, even sucking 440 watts across the vrm's in a benchmark and 1.4v core voltage.. all air cooled. I <3 sapphire's coolers.
post #1964 of 3326
Will try to make a very high quality photo when i am back at home. I took a look over the VRM`s this morning and nothing looks suspicious- the thermal pad seems to have a very good contact with the VRM`s according to the leftovers marks on the thermal pad.

I am thinking to remove the thermal pad under the VRM heatsink and put only a thermal paste to check if there is any difference.
post #1965 of 3326
Lets see what the material is ziXs and lets dial back your Max Temp and Hotspot. There is no performance to gain past 88C, trust me I test 100C. The big numbers are spit out at no more than 88C.

If the material isn't like a "Rubber" and more like a "Putty" roll it up and mash it up and roll it out to cut into as much pieces as you have vrm... apply to VRM individually and carefully tighten heatsink without the pads sliding out of position.

Oh yeah about the 290X ^^^ Yeah me too man my 290x and 390x hold true because of metatllic vrm's (also both reference blower can handle 1250mhz) and closer compression. We will just see what kind of "Epic Thermal Design" characteristics the next batch of advanced micro devices have to offer us.
post #1966 of 3326
This what I settled on as nothing higher would work right at 5k... this is pretty much as high as I can go for 5k stability. I can clock way higher for 1080p, 5k is a whole different story to working clocks.

post #1967 of 3326
Hi @chris89 is there any chance you have a decent bios for a 4GB rx 480 with samsung vram?
I have the MSI gaming X card.
I was going for the 8GB but I couldn't pass the deal on this one 165$.

my GPU can go up to 1430 with stock voltages and memory could go up to 2100 with stock timings bit I think there is still room for improvement via modded vBios.
Edited by megax05 - 4/12/17 at 6:56am
post #1968 of 3326
@megax05

send on over the bios... If I can't get 1469mhz stable no one else can unless you crank out Trixx to +100mv or more... However 1438Mhz is highest but you can't ride out 1438mhz continuous, it must throttle but it will perform great throughout the span of all the clock states it must throttle to as to stay within Temp Targets. I run DeLimited so it'll ride 1,438Mhz up until limits are reached... if 100% fan it could ride out 1,438mhz for way longer but way too loud...

Btw some can push higher but not up to 5k at 29,000 Mhz core clock... 5k uses 5x more power than 1080p so its way way hotter and less stable... I clock for what can hold the highest resolution and details possible and find that to be true stable... If you stabilize the card to 1080p, that's not ideal since it will crash at 5k.

haha
Edited by chris89 - 4/12/17 at 8:16am
post #1969 of 3326
Quote:
Originally Posted by chris89 View Post

@megax05

send on over the bios... If I can't get 1469mhz stable no one else can unless you crank out Trixx to +100mv or more... However 1438Mhz is highest but you can't ride out 1438mhz continuous, it must throttle but it will perform great throughout the span of all the clock states it must throttle to as to stay within Temp Targets. I run DeLimited so it'll ride 1,438Mhz up until limits are reached... if 100% fan it could ride out 1,438mhz for way longer but way too loud...

Btw some can push higher but not up to 5k at 29,000 Mhz core clock... 5k uses 5x more power than 1080p so its way way hotter and less stable... I clock for what can hold the highest resolution and details possible and find that to be true stable... If you stabilize the card to 1080p, that's not ideal since it will crash at 5k.

haha
Hi
This is the Orginal bios file
Bios File I couldnt upload to the forum invalid Json error or something similar anyway this is the file.
and Thanks in advance.
post #1970 of 3326
Always upload as .zip... thumb.gif
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