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Modded R9 390X BIOS for R9 290/290X (Updated 02/16/2016) - Page 24

post #231 of 1872
Thread Starter 
Quote:
Originally Posted by skyrrd View Post

long story short: with my non-reference-pcb the blackscreen-fix broke it for me.
i can boot each samsung 290 non-x bios as long as i edit device-id to 290x one. with this i get blackscreen on boot but working in windows

with original device-id i get working boot prompt but blackscreen in windows, regardless of voltagetable and so on.

what exactly did you do to mod the bios from 390 for 290? i might see if there's a similar 390 with non-reference pcb similar to my 290 maybe modding that bios would work for me XD

Okay I will do a short explanation here of how exactly the BIOS files were modded. I like to think about it this way:

1.) There are two types of BIOS "mods".
a. Soft Mods - Simple modifications like changing core clocks, memory clocks, voltage table, idle voltage, etc. These are done with HawaiiBiosReader.
b. Hard Mods - More complicated modifications that must be done from a Hex Editor. These include things like changing stock core voltage / voltage offset, changing memory from 8GB to 4GB, editing memory timings / straps, etc.

2.) To "change" an R9 390X BIOS to an R9 290X BIOS all that needed to be done was change the memory from 8GB down to 4GB and edit the "Device ID" if necessary. To "change" an R9 390 BIOS to an R9 290 BIOS you would do the exact same thing. An 8GB R9 390X BIOS file will flash to an 8GB R9 290X just fine, but it causes issues with most 4GB cards and the same goes for the R9 390 to R9 290.

3.) Unfortunately I do not currently have the knowledge to "Hard Mod" any BIOS files using a Hex Editor. I have been doing all the mods posted here with the help of @Lard (who has been doing the memory timing mods) and the HawaiiBiosReader program. I would really like to learn how to use a Hex Editor to go deeper into modding the BIOS files so I could make more for you all but unfortunately there aren't really any good guides out there yet as people are still doing research on this topic.

4.) BIOS modding is all about trial and error (within reason). So if you want to try to mod and flash an R9 390 BIOS file to an R9 290 I think you should go for it! The more people that work on this stuff to see what works and what doesn't, the more fun it is for everyone!

- Insan1tyOne smile.gif
Edited by Insan1tyOne - 8/4/15 at 3:10pm
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post #232 of 1872
Quote:
Originally Posted by Faster_is_better View Post

Yes these BIOS have the speed step, they clock down to 300MHz on idle. Initial tests with the 390x MEM MOD BIOS on my 290s, they were actually running cooler with reference cooler.

Thanks for the info, my card is running much more cool and silent now. I'm using the mem mod bios and I haven't been having any problems with the stock voltages.
I carelessly bumped up the frequency to 1000MHz and it's still stable. I haven't done much GPU overclocking but I am thinking of doing a light overclock ( one that the stock cooler can handle). biggrin.gif

Here are some results, I am using a 2500k clocked at 4,5 GHz Valey Benchmark (Click to show)
290x p1t1 bios (locked at 1GHz)

390X bios with Elphida mem mod v1.5 @ 947Mhz

390X bios with Elphida mem mod v1.5 @ 1Ghz
3Dmark (Click to show)
ebQRLWq.png
The 290 bios benchmark is from windows 7


I have two questions, do you need to raise the power limit to change the gpu frequency?
what is the best after-market cooler that cools both the core and the vrms (and pcb) ?
post #233 of 1872
Quote:
Originally Posted by xobust View Post

Thanks for the info, my card is running much more cool and silent now. I'm using the mem mod bios and I haven't been having any problems with the stock voltages.
I carelessly bumped up the frequency to 1000MHz and it's still stable. I haven't done much GPU overclocking but I am thinking of doing a light overclock ( one that the stock cooler can handle). biggrin.gif

Here are some results, I am using a 2500k clocked at 4,5 GHz Valey Benchmark (Click to show)
290x p1t1 bios (locked at 1GHz)

390X bios with Elphida mem mod v1.5 @ 947Mhz

390X bios with Elphida mem mod v1.5 @ 1Ghz
3Dmark (Click to show)
ebQRLWq.png
The 290 bios benchmark is from windows 7


I have two questions, do you need to raise the power limit to change the gpu frequency?
what is the best after-market cooler that cools both the core and the vrms (and pcb) ?

Yes for sure, max it out or it throttles card

Edit: I think I know the answer to this but I'll ask any way, After flashing Bios do I have to start overclocking from scratch or do I just push the current overclock further?
Edited by diggiddi - 8/4/15 at 1:54pm
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post #234 of 1872
Thread Starter 
Quote:
Originally Posted by diggiddi View Post

Yes for sure, max it out or it throttles card

Edit: I think I know the answer to this but I'll ask any way, After flashing Bios do I have to start overclocking from scratch or do I just push the current overclock further?

I always recommend starting from scratch. You should be resetting your over-clocks to default before flashing the BIOS anyways.

- Insan1tyOne biggrin.gif
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post #235 of 1872
Quote:
Originally Posted by Insan1tyOne View Post

I always recommend starting from scratch. You should be resetting your over-clocks to default before flashing the BIOS anyways.

- Insan1tyOne biggrin.gif

NOOOOOOOoooooooooooooooooo angrysmiley.gif I wanted to see how far i could go with the Stock bios b4 switching over to the modded
It may be a while b4 I get to the modded since i just started
Has any tried the lightning yet? I really need to see if that LN2 Bios kicks butt
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post #236 of 1872
Thread Starter 
Quote:
Originally Posted by diggiddi View Post

NOOOOOOOoooooooooooooooooo angrysmiley.gif I wanted to see how far i could go with the Stock bios b4 switching over to the modded
It may be a while b4 I get to the modded since i just started
Has any tried the lightning yet? I really need to see if that LN2 Bios kicks butt

Who says that you cannot see how far you can push your "stock" BIOS and then reset the over-clocks, then flash the new BIOS, then set the over-clocks back to their "max" on your stock BIOS on continue on testing from there?

It is just recommended to "reset" the over-clock back to default while flashing the BIOS to avoid potential conflicts. thumb.gif


Also, I have updated the OP and thread title with some relevant information on BIOS modding. You should all give it a read! (Location: The spoiler at the very top of the post.)

- Insan1tyOne smile.gif
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post #237 of 1872
Ok thumb.gif I got that from your previous post though
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post #238 of 1872
Hello Insan1tyOne. Thanks for the thread I have flash both my XFX r9 290 DD (non-reference) to r9 390

BIOS: 290_HYNIX_MOD_V1.7.rom

Before the BIOS flash this is what cuinfo reported
Quote:
Originally Posted by Unknownm View Post


Adapters detected: 2

Card #1 PCI ID: 1002:67B1 - 1682:9295
DevID [67B1] Rev [00] (0), memory config: 0x500046A9 Hynix
Hawaii-class chip with 11 compute units per Shader Engine

SE1 hw/sw: F8010005 / 00000000 [..........x]
SE2 hw/sw: F8010005 / 00000000 [..........x]
SE3 hw/sw: F8800005 / 00000000 [...x.......]
SE4 hw/sw: F8010005 / 00000000 [..........x]

40 of 44 CUs are active. HW locks: 4 (R/O) / SW locks: 0 (R/W).
Sorry, all 4 disabled CUs can't be unlocked by BIOS replacement.


Card #2 PCI ID: 1002:67B1 - 1682:9295
DevID [67B1] Rev [00] (0), memory config: 0x500046A9 Hynix
Hawaii-class chip with 11 compute units per Shader Engine

SE1 hw/sw: F8000005 / F8010000 [..........o]
SE2 hw/sw: F8000005 / F8010000 [..........o]
SE3 hw/sw: F8000005 / F8010000 [..........o]
SE4 hw/sw: F8000005 / F8010000 [..........o]

40 of 44 CUs are active. HW locks: 0 (R/O) / SW locks: 4 (R/W).
Wow! All 4 disabled CUs should be unlockable.

After flashing (Remember cards switched PCI-e slots after flashing new BIOS)
Quote:
Adapters detected: 2
Card #1 PCI ID: 1002:67B1 - 1682:9395
DevID [67B1] Rev [00] (0), memory config: 0x500066AA Hynix
Hawaii-class chip with 11 compute units per Shader Engine
SE1 hw/sw: F8000005 / 00000000 [...........]
SE2 hw/sw: F8000005 / 00000000 [...........]
SE3 hw/sw: F8000005 / 00000000 [...........]
SE4 hw/sw: F8000005 / 00000000 [...........]
44 of 44 CUs are active. HW locks: 0 (R/O) / SW locks: 0 (R/W).
All CUs in this chip are already active.


Card #2 PCI ID: 1002:67B1 - 1682:9395
DevID [67B1] Rev [00] (0), memory config: 0x500066AA Hynix
Hawaii-class chip with 11 compute units per Shader Engine
SE1 hw/sw: F8010005 / 00000000 [..........x]
SE2 hw/sw: F8010005 / 00000000 [..........x]
SE3 hw/sw: F8800005 / 00000000 [...x.......]
SE4 hw/sw: F8010005 / 00000000 [..........x]
40 of 44 CUs are active. HW locks: 4 (R/O) / SW locks: 0 (R/W).
Sorry, all 4 disabled CUs can't be unlocked by BIOS replacement.

Fresh install of 15.7.1 Fury Win10 64-bit drivers. Valley benchmark runs without problems

My question is how come the r9 390 (non X) bios unlocked my card? I thought r9 390 is the same core configuration as the r9 290.



Edited by Unknownm - 8/5/15 at 1:25am
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post #239 of 1872
Quote:
Originally Posted by Unknownm View Post

My question is how come the r9 390 (non X) bios unlocked my card?
That is 390x bios with 290's clocks.
post #240 of 1872
Ok I had little time but I installed them yesterday.


The elpida bios works well on my Reference ASUS 290x
The elpida bios black screens almost instantly on my Asus DCII 290x. But the no-mod bios seems to run fine.


Heres the run down:

eplida 1.6 + elpida 1.6 = 28234 graphics score
no-mod 1.6 + no mod 1.6 = 27876 graphics score
eplida 1.7 + no mod v1.7 = 27527 graphics score

Strange that crossfiring one card with eplida with one card with no-mod results in lower score.

Early days. Will test each card thoroughly this weekend.
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