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Vega 56 and Vega 64 guide

Thanks for the suggestion mate.

Tried it and the card simply refuses to boot (GPU5):

I did reflash the BIOS to the standard one (VGA Bios Collection: Gigabyte RX Vega 56 8 GB | TechPowerUp) before I started all this. Could that be the issue perhaps?

have u tried with some oc´s with hive straps for hynix ? Do you add oc´s thru gui, not command line? If you try with like mem 900 vdd 850-70 core 1000 and default straps, does it still crash ? What mb u have? Default bios should not affect that way, hive will get stuck if oc´s are off, imho would be worth trying with low oc´s, high vdd agressive undervolting enabled. Dont remember now what was solution on issue with oc´s erased but u can find several post on that one on this thread. Some mb´s do get stuck after crash due network issues.hope u find solution

have u tried with some oc´s with hive straps for hynix ? Yes tried with no OC or straps and card runs ok but only 33MH. When I add an OC it crashes but saying that I’m going to try your ‘dead basic’ OC settings and see what happens combined with straps.

Do you add oc´s thru gui, not command line? through GUI

If you try with like mem 900 vdd 850-70 core 1000 and default straps, does it still crash ? Going to try that shortly. I get random GPU crashes with other Vega’s so going to try and sort them first as I have some time today.

What mb u have? A POS one that I picked up for £30 haha! Slow but does the job (I hope!)

image

Update:

We have some progress:

GPU5 strap: amdmemtweak --CL 20 --RC 36 --RP 14 --WR 14 --CWL 8 --FAW 12 --RAS 22 --REF 65000 --RFC 249 --RTP 5 --RRDL 6 --RRDS 3 --WTRL 9 --WTRS 4 --RCDRD 14 --RCDWR 12

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good. have u tried lower RP like 11 ? How about lower RCDRD ? RFC 239 ? its mining now so thats good…takes time to find the right combo ! lol

Do anyone know what thermalpads thickness vega 56 has?


You can uses 1mm for everything except one little square on the mosfet that needs 1.5mm
image

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hello everyone, new one
I bought a Vega 56 nitro+ hynix mem gpu. Doesn’t work, reboots all the time. what settings will i use? can you help?

Thank you very much!

Hope this helps

Is this correct @ss-silver ?

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Yep exactly, the Inductors seem to measure about .75mm from the factory so Ive tried both 1 & .5 on those and the 1mm were marginally better so I do 1mm for everything except that one spot at 1.5

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hello guys. thank you all for sharing your settings. I want to share mine.

Radeon RX Vega 56 8176 MB · Sapphire
Samsung HBM2 · 113-376XL-UO1

amdmemtweak --CL 20 --RC 37 --RP 11 --WR 14 --CWL 8 --FAW 12 --RAS 20 --REF 65535 --RFC 248 --RTP 5 --RRDL 6 --RRDS 3 --WTRL 9 --WTRS 4 --RCDRD 13 --RCDWR 12

I received a new card, but struggling to get past 50 mh for hynix.

Radeon RX Vega 56 8176 MB · Gigabyte (Gaming OC)

Hynix HBM2 · 113-D0500300-X06

Best so far:

amdmemtweak --RC 35 --RP 13 --RAS 22 --REF 65535 --RFC 148 --RRDL 4 --RRDS 4 --RCDRD 14 --RCDWR 12

Moving above 940 does not affect hashrate, moving core clock does not affect much too so keeping it low. I have tried almost all the settings copied here and all the time card goes dead.

Managed to get 50.32 with 1075/835/965 - but big consumption:

amdmemtweak --CL 21 --RC 35 --RP 12 --WR 13 --CWL 7 --FAW 12 --RAS 23 --REF 65535 --RFC 248 --RTP 6 --RRDL 5 --RRDS 3 --WTRL 9 --WTRS 4 --RCDRD 19 --RCDWR 14

Tried TRM manual, lowest RCDRD is 15 and I get 49.83 with 1100/835/950-955 (memory 965 crashes) :

amdmemtweak --CL 18 --RC 34 --RP 13 --WR 11 --CWL 7 --FAW 12 --RAS 23 --REF 17000 --RFC 148 --RTP 6 --RRDL 4 --RRDS 3 --WTRL 4 --WTRS 4 --RCDRD 15 --RCDWR 11

Anyone managed to get something out of this card?

image

EDIT:

It seems that following straps are not needed and does nothing for hynix so why use them at all? _-CL --WR --CWL --FAW --RTP --WTRL --WTRS

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Hi again guys, I am just trying to find the balance with highest hashrate and good efficiency. Feel free to comment and suggest.

GPU 0 Sapphire Pulse
amdmemtweak --CL 20 --RC 37 --RP 11 --WR 14 --CWL 8 --FAW 12 --RAS 20 --REF 65535 --RFC 248 --RTP 5 --RRDL 6 --RRDS 3 --WTRL 9 --WTRS 4 --RCDRD 13 --RCDWR 12

GPU1 Gigabyte Ref
amdmemtweak --CL 20 --RC 37 --RP 11 --WR 14 --CWL 8 --FAW 12 --RAS 20 --REF 65535 --RFC 248 --RTP 5 --RRDL 6 --RRDS 3 --WTRL 9 --WTRS 4 --RCDRD 15 --RCDWR 12

GPU2 Gigabyte Gaming OC Hynix
amdmemtweak --RC 35 --RP 13 --RAS 22 --REF 65535 --RFC 148 --RRDL 4 --RRDS 4 --RCDRD 14 --RCDWR 12

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HI,
I have mixed rig with a Saphire Pulse Vega56 that is giving me problems after i upgraded hiveos, i don’t know exactly the version but it was 0.6-203(don’t know the date) and i was able to get 49mhs with 117w, nothing much but OK.
Today i did the upgrade to 0.6-208@210817 and my power consumption is always at 164/165w no matter the OC and the hashrate is low. Any suggestions?

After the update:

VDD way too big, MEM way to low. just copy my settings one post up and try. increase --RCDRD if it does not work until it does. also VDD start with like 835 and go down until card crashing.

do not pay much attention to Radeon card wattage in hiveos.

Hi i have the Radeon™ RX VEGA 64 GAMING OC 8G and the best i get is 41.9mh / sec
if it goes over 42mh / sec then it crash under 1 minute

this works for me

amdmemtweak --CL 20 --RC 47 --RP 11 --WR 14 --CWL 8 --FAW 12 --RAS 22 --REF 65535 --RFC 239 --RTP 5 --RRDL 6 --RRDS 3 --WTRL 9 --WTRS 4 --RCDRD 23 --RCDWR 12

and this

amdmemtweak --CL 22 --REF 7650 --RFC 220 --RCDRD 23 --RRDS 3 --RRDL 5

but i use Windows 10 here is my Overclock on ETH

Vega64

and pulls about 155watt

And for the Autolykos algo i get 160.5mh / Sec and pulls 170watt
for Autolykos i use this Overclock

Vega64_Autolykos

Hi there,

I was wondering if you had any issues with flashing it back?

Same.