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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 448

post #4471 of 4812
ASUS RX580 SAMSUNG 8GB MEMORY BIOS is more efficient. Cooler & lower voltage. Likely more stable as well.

Asus.RX580.8192.170301.zip 110k .zip file
ASUS.RX580.Original.with.Zero.Fan.Disabled.35-40C.zip 110k .zip file
ASUS.RX580.SAMSUNG.8GB.1320Mhz.2110Mhz.84C.10Krpm.zip 110k .zip file

I modified my Visiontek original RX480 Bios with SAMSUNG 8GB memory.

Just to compare. Your welcome to try yourself. I set max temp vrm to 60c & hotspot to 60c just to keep vrm cool & stable. It'll throttle by the max temp & hotspot but won't be power limited.

Ellesmere.750mv.1275mv.zip 110k .zip file
Ellesmere.750mv.1275mv.1407mhz.2188mhz.60c.vrm.hotspot.zip 110k .zip file
Ellesmere.750mv.1275mv.1407mhz.2266mhz.60c.vrm.hotspot.zip 110k .zip file

60C MAX TEMP VRM & HOTSPOT : Reduces Performance Tremendously, So if you want a lot more performance... Fine Tune the Max Temp & Hotspot temperature to your liking...

Up to 88C is safe but probably not for 24/7 use... or maybe? if you can bare 90C VRM all the time... That stuff erks me.. so I go for efficiency with 60C. Especially with Crossfire, it runs good at this 60C limit.

Visiontek Original Reference RX480 BIOS Modded


ASUS Original Reference RX580 BIOS Modded

Edited by chris89 - 9/20/17 at 6:42pm
post #4472 of 4812
ASUS.RX580.1320Mhz.2110Mhz.10K.RPM.Reference.Compatibile.1K.W.Power.Limit

6 Tera Flops per card : These cards in crossfire can do maybe 14 Tera Flops to 15 Tera Flops if using a 1/4-1/2" thick copper plate to cool the VRM... Enough Copper Density to hold 300 watts at 60C.

ASUS.RX580.SAMSUNG.8GB.1320Mhz.2110Mhz.84C.10Krpm.zip 110k .zip file




Edited by chris89 - 9/20/17 at 7:14pm
post #4473 of 4812
ASUS.RX580.1000mv.zfan.off.1250mhz.2188.zip 110k .zip file

1.000v max like Hwinfo 0.994v ... much cooler & quick enough.
post #4474 of 4812
Quote:
Originally Posted by klanjsek View Post

Hi all.


I have sapphire rx 470 4gb with Samsung memory (1750mhz). When I tried mining with claymore and and block chain driver I got around 22-23mh/s, settings core1170/950mv, mem1750/925mv. Of course, I wanted more, and simple mem oc memory did not work (bad timings, although I could oc memory to 2100). So, I flashed bios with 1750 memory strap (1900&2000). Everything went ok, ddu, patch, checking that new timings are indeed set,...install driver, all ok.

Run claymore with new bios and 2100 mem clock...same result...worse result than when mem @ stock 1750. 21m/h -22mh. If I put clock back to stock, it goes back to around 23. It is like I never flashed. I saved modded bios from the card just to check again the timings...all ok...1750/1900/2000 are all equal, but no change whatsoever in result. I am without any ideas.

I apologize, but I have tried everything and i am really puzzled what could be behind this effect

Thank you for any insight.
K.
I have same problem on my rx 480 4GB. But it is hynix memory, and i can get better hashrate with setting tighter timings to 1750 but it doesn't help to overclock(even with bios mod). I had ~21mh stock (no blockchain driver), 1500mhz strap on 1750 gives ~23mh.

Edit: I game on it, and leave it mining while i don't use computer.
Edited by Ph42oN - 9/21/17 at 7:06am
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post #4475 of 4812
I find it interesting you all spend more time bitcoin mining than gaming... it seems like Your All doing it now, huh?
post #4476 of 4812
Quote:
Originally Posted by chris89 View Post

I find it interesting you all spend more time bitcoin mining than gaming... it seems like Your All doing it now, huh?
Yea, i game for 2-3h after work. And the PC works during the day, mining XMR. And i have made a VBS script to mine with the 2nd gpu only when my brother plays on the PC. So yea.
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post #4477 of 4812
@chris89thanks for VDCCI explain!any question:hwinfo64 not show AUX voltage(i try rx480/580 bioses but don't change)there some particular version of this sw,settings,or some alternative sw for monitoring AUX voltage?
post #4478 of 4812
Quote:
Originally Posted by EMYHC View Post

@chris89thanks for VDCCI explain!any question:hwinfo64 not show AUX voltage(i try rx480/580 bioses but don't change)there some particular version of this sw,settings,or some alternative sw for monitoring AUX voltage?

I only knew 16.9.2 whql & like hwinfo v535 or older i think was working. Interesting isnt t? my voltage stuck in hex yet later increased from 0.994-1.000v to 1.144v which is way too hot.. issues
post #4479 of 4812
Quote:
Originally Posted by EMYHC View Post

@chris89thanks for VDCCI explain!any question:hwinfo64 not show AUX voltage(i try rx480/580 bioses but don't change)there some particular version of this sw,settings,or some alternative sw for monitoring AUX voltage?

You can't monitor and tweak AUX voltage on RX4xx/5xx like on the R9s afaik and it was a mostly useless voltage anyway except certain situations. You can adjust the IMC voltage but gains are minimal and monitoring it isn't needed, just push your memory till you get errors and leave it at that no need to tweak a voltage that won't net you more than maybe 100mhz on the memory of you're lucky.
Edited by Echoa - 9/21/17 at 11:31am
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post #4480 of 4812
Quote:
Originally Posted by Ph42oN View Post

I have same problem on my rx 480 4GB. But it is hynix memory, and i can get better hashrate with setting tighter timings to 1750 but it doesn't help to overclock(even with bios mod). I had ~21mh stock (no blockchain driver), 1500mhz strap on 1750 gives ~23mh.

Edit: I game on it, and leave it mining while i don't use computer.

You must flash your own bios modded to desired mem clock (e.g. 2000Mhz) because blockchain drivers won't let you change it. Also when modding bios straps make changes only to your memory (hynix) and leave other's memory straps alone (elpida).
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