NITRO RX470 8GB Mining Edition // hidden hdmi port // two bio switch // Is it possible to use it to play?

[Isaneitor]

Greetings everyone, I have several Nitro rx470 mining edition cards that I used for mining, I would like to know if it is possible to use them for gaming, they have an hdmi port hidden behind the metal as shown in the photo, but it does not give an image, I changed the bios to one normal card but it still doesn't give me an image, does anyone know if that hdmi port can be used? Also, does anyone know what the two bios switches are for? If they have any relationship, why doesn't it give an image?

I would like to know if it is possible to use it to play through that port since I will not use it for mining.

PS: the system detects it in devices, I have used gpu z and the bios data appears.

On the net there is very little information regarding this card, its hidden port and its 2 bio switches.

Thank you so much

 

[Mussels]

First reddit result says those cards may have that port purely as a method to attach the backplate, and that the hidden HDMI isn't connected to anything - you'd need to solder one in to the regular output location, if they left solder locations there


You'd need a compatible vbios for that exact hardware if the stock one has no support
Those switches should be to change between BIOS 1/2 and fan speed low/high


It's possible to use them in a system with an IGP in windows 10/11, you just tell windows to use that GPU for high performance tasks in display settings instead of the IGP - and it sends the signal to the IGP's output


Theres a russian video on a similar (possibly the same) card here:

Translated subtitles explained: the onboard HDMI is NOT wired into the GPU from the factory - but it can be

A closeup, but no camerawork of the actual soldering - he had to solder those bottom tracks together, to get the signal passed along

he mentions the ATI/AMD pixel clock patcher here - the GPU either has an old single lane DVI port behind that HDMI, or it's only going to work at specific/low resolutions without the patcher due to an incorrect firmware limit (that the drivers read and the patch removes) - i have no idea what he's saying in the video

AMD/ATI Pixel Clock Patcher (monitortests.com)

One of the patches features is to bypass a "BIOS check" from AMD and modded drivers, theres a chance you may not need this - so don't do it in advance, do it after you have the HDMI soldering done only if you have issues with the drivers or display output, afterwards

 

[Isaneitor]

Thank you very much for your answer Mussels. I think the information you gave me was the best, I'll try to solder the port and try.

Thanks, again

First reddit result says those cards may have that port purely as a method to attach the backplate, and that the hidden HDMI isn't connected to anything - you'd need to solder one in to the regular output location, if they left solder locations there


You'd need a compatible vbios for that exact hardware if the stock one has no support
Those switches should be to change between BIOS 1/2 and fan speed low/high


It's possible to use them in a system with an IGP in windows 10/11, you just tell windows to use that GPU for high performance tasks in display settings instead of the IGP - and it sends the signal to the IGP's output


Theres a russian video on a similar (possibly the same) card here:

Translated subtitles explained: the onboard HDMI is NOT wired into the GPU from the factory - but it can be

View attachment 303799
A closeup, but no camerawork of the actual soldering - he had to solder those bottom tracks together, to get the signal passed along
View attachment 303798

he mentions the ATI/AMD pixel clock patcher here - the GPU either has an old single lane DVI port behind that HDMI, or it's only going to work at specific/low resolutions without the patcher due to an incorrect firmware limit (that the drivers read and the patch removes) - i have no idea what he's saying in the video

AMD/ATI Pixel Clock Patcher (monitortests.com)

One of the patches features is to bypass a "BIOS check" from AMD and modded drivers, theres a chance you may not need this - so don't do it in advance, do it after you have the HDMI soldering done only if you have issues with the drivers or display output, afterwards

Thank you very much for your answer Mussels. I think the information you gave me was the best, I'll try to solder the port and try.

Thanks, again

 

[Isaneitor]

First reddit result says those cards may have that port purely as a method to attach the backplate, and that the hidden HDMI isn't connected to anything - you'd need to solder one in to the regular output location, if they left solder locations there


You'd need a compatible vbios for that exact hardware if the stock one has no support
Those switches should be to change between BIOS 1/2 and fan speed low/high


It's possible to use them in a system with an IGP in windows 10/11, you just tell windows to use that GPU for high performance tasks in display settings instead of the IGP - and it sends the signal to the IGP's output


Theres a russian video on a similar (possibly the same) card here:

Translated subtitles explained: the onboard HDMI is NOT wired into the GPU from the factory - but it can be

View attachment 303799
A closeup, but no camerawork of the actual soldering - he had to solder those bottom tracks together, to get the signal passed along
View attachment 303798

he mentions the ATI/AMD pixel clock patcher here - the GPU either has an old single lane DVI port behind that HDMI, or it's only going to work at specific/low resolutions without the patcher due to an incorrect firmware limit (that the drivers read and the patch removes) - i have no idea what he's saying in the video

AMD/ATI Pixel Clock Patcher (monitortests.com)

One of the patches features is to bypass a "BIOS check" from AMD and modded drivers, theres a chance you may not need this - so don't do it in advance, do it after you have the HDMI soldering done only if you have issues with the drivers or display output, afterwards

Is it correct, mine is identical with the small difference that the small soldered components do not appear on the top, will soldering on the top also work? without the component?

 

[Mussels]

I don't know what those resistors are for, but you can definitely try soldering just the bottom row as he did and see if it works from there

Otherwise it may need both soldered, but i'm not sure how that would go without the resistors too

 

[Avro Arrow]

Believe it or not, Linus did a video about this very thing:

 

[eidairaman1]

Believe it or not, Linus did a video about this very thing:

All depends if you can configure traces correctly for vid port outputs.

 

[Mussels]

Believe it or not, Linus did a video about this very thing:

Linus video was on an Nvidia GPU, and didn't have traces that could be soldered

 

[Avro Arrow]

I'm not an expert on this kind of thing, I just saw "No monitor port on a mining GPU" and somewhere in the back of my brain said "Linus did something like that." so I posted the video.

I figured that it couldn't hurt but it might help.

 

[Mussels]

I'm not an expert on this kind of thing, I just saw "No monitor port on a mining GPU" and somewhere in the back of my brain said "Linus did something like that." so I posted the video.

I figured that it couldn't hurt but it might help.

It's got the software trick i mentioned, but they did it in a more complicated linux way because linus

 

[Avro Arrow]

It's got the software trick i mentioned, but they did it in a more complicated linux way because linus

Yeah... Linus.... He sure has his own way of doing things...

 

[Mussels]

Windows 11 (and 10, these days) has the option to let you specify a GPU for a game
This works better in modern titles than older ones (the windowed optimisations, etc) but overall it's pretty solid

I wish i had ryzen IGP so i could use freesync natively, with the 3090 rendering to it

 

[Isaneitor]

Hello again, in the case of my card I got a video without the resistors, a different jumper is made.

I leave the video here, I haven't bridged mine yet since I had a doubt about the resistors, but this Japanese one is the same.

 

[LabRat 891]

What about pairing this with a driver-compatible card, and passing-thru the video? (Even, something like a Dell/HP,etc RX550 [or lower] in an x1 slot.)
I accidentally made this work on a MI25-WX9100 and a 6500XT the other day.

 

[Mussels]

What about pairing this with a driver-compatible card, and passing-thru the video? (Even, something like a Dell/HP,etc RX550 [or lower] in an x1 slot.)
I accidentally made this work on a MI25-WX9100 and a 6500XT the other day.

That should be entirely possible, windows 11 makes that quite easy

 

[corvaxmuzzy]

6 months later, did you have a go at this?