KFA2 GeForce RTX 2070 SUPER compatibility with B450 Gaming PRO Carbon AC motherboard

john2k · 16 Apr 2020 at 21:20

Can anyone tell me if the KFA2 GeForce RTX 2070 SUPER graphics card is compatible with the B450 Gaming PRO Carbon AC motherboard with a AMD Ryzen 5 3600 Six Core 4.2GHz processor? Looking at the motherboard manual, there seems to be a lot of limitations for the PCI_E1 slot which is the slot for PCI_E 3.0 which the graphics card needs.

So i'm a little confused with all the documentation. Hoping someone can tell me if this graphics card is compatible with this motherboard with the AMD Ryzen 5 3600 Six Core 4.2GHz processor?

Thank you.

MissChief · 16 Apr 2020 at 21:21

Yes it’ll work fine and is actually a good match.

john2k · 16 Apr 2020 at 21:27

I'm having a serious blank screen issue with no POST with that combination. Was working fine for few months but now completely stopped posting. Got new motherboard so it's not the motherboard. Tried different DDR4 memory module. Tried removing M2 shields but nothing works. Got the latest MSI BIOS firmware. The only thing i'm left with thinking is either the graphics card or CPU. I've got my hand on a nVidia NVS 310 which is a PCI_E 2.0 graphics card just to see if it's the graphics card. Will the nVidia NVS 310 work on the PCI_E4 slot?

MissChief · 17 Apr 2020 at 01:16

john2k said:
I'm having a serious blank screen issue with no POST with that combination. Was working fine for few months but now completely stopped posting. Got new motherboard so it's not the motherboard. Tried different DDR4 memory module. Tried removing M2 shields but nothing works. Got the latest MSI BIOS firmware. The only thing i'm left with thinking is either the graphics card or CPU. I've got my hand on a nVidia NVS 310 which is a PCI_E 2.0 graphics card just to see if it's the graphics card. Will the nVidia NVS 310 work on the PCI_E4 slot?

yes it will, it's backwards compatible.

Defy Belief · 17 Apr 2020 at 16:03

john2k said:
I'm having a serious blank screen issue with no POST with that combination. Was working fine for few months but now completely stopped posting. Got new motherboard so it's not the motherboard. Tried different DDR4 memory module. Tried removing M2 shields but nothing works. Got the latest MSI BIOS firmware. The only thing i'm left with thinking is either the graphics card or CPU. I've got my hand on a nVidia NVS 310 which is a PCI_E 2.0 graphics card just to see if it's the graphics card. Will the nVidia NVS 310 work on the PCI_E4 slot?

What's the debug light on motherboard doing?

john2k · 9 May 2020 at 13:47

Defy Belief said:
What's the debug light on motherboard doing?

I've posted a video on the following thread if you can kindly have a look: https://forums.overclockers.co.uk/threads/b450-gaming-pro-carbon-ac.18886453/

Thanks

heatonpkmassive · 9 May 2020 at 18:47

Looking at your video, I'd say that the graphics card is the issue. You say you've tried everything but I see no mention of reseating the graphics card itself? I'm thinking you've probably done this given the things you have done, but no harm to check.

john2k · 9 May 2020 at 18:51

heatonpkmassive said:
Looking at your video, I'd say that the graphics card is the issue. You say you've tried everything but I see no mention of reseating the graphics card itself? I'm thinking you've probably done this given the things you have done, but no harm to check.

Yes i've removed the graphics card completely and re-installed it probably 10 times now. But I also tried the other PCI_E2 graphics card and does didn't help either. One observation I've made is that if I remove RAM and try and start up i get a DDR light on the debug but if i remove graphics card and start up I don't get any VGA light even though some youtube videos have shown with graphics card removed and motherboard powered on the VGA light goes on. So this makes no sense either.

heatonpkmassive · 9 May 2020 at 19:10

john2k said:
Yes i've removed the graphics card completely and re-installed it probably 10 times now. But I also tried the other PCI_E2 graphics card and does didn't help either. One observation I've made is that if I remove RAM and try and start up i get a DDR light on the debug but if i remove graphics card and start up I don't get any VGA light even though some youtube videos have shown with graphics card removed and motherboard powered on the VGA light goes on. So this makes no sense either.

Hmm, that's pointing more to memory, board or CPU then. Have you checked the CPU pins? Again, you seem to have done a lot of troubleshooting and if you've done this, then all that I would be able to suggest would be trying different RAM or trying all your parts except for board in a friend's machine.

john2k · 9 May 2020 at 19:15

heatonpkmassive said:
Hmm, that's pointing more to memory, board or CPU then. Have you checked the CPU pins? Again, you seem to have done a lot of troubleshooting and if you've done this, then all that I would be able to suggest would be trying different RAM or trying all your parts except for board in a friend's machine.

The RAM is brand new, it's been repalced under warranty apparently it was faulty. The motherboard is also brand new which was also replaced. So only thing remains really is the graphics card or the CPU. But the graphics card i tried a tested working PCI_E2 graphics card and that didn't help. So makes me think CPU. But then why does the CPU light turn off? Can the firmware be corupt? I've been doing flashbacks with the CPU and everything connected

heatonpkmassive · 9 May 2020 at 19:17

I think firmware can be corrupt definitely, you tried the BIOS flashback with a different storage media?

john2k · 9 May 2020 at 19:21

heatonpkmassive said:
I think firmware can be corrupt definitely, you tried the BIOS flashback with a different storage media?

I'm sure I did, but I can try again and report back. Does it make a difference if all components like cpu etc are connected when doing flashback? MSI video guide shows to remove everything but i've been doing flashback with everything connected

heatonpkmassive · 9 May 2020 at 19:27

Pretty sure one of the advantages of your board is that it actually doesn't need a CPU to be installed when flashing BIOS, others have to send off to AMD for a loan older chip, so you may wish to remove the CPU and everything else as MSI did well with that feature. I'd certainly be trying that as it might be by design how that works.

john2k · 9 May 2020 at 22:30

heatonpkmassive said:
Pretty sure one of the advantages of your board is that it actually doesn't need a CPU to be installed when flashing BIOS, others have to send off to AMD for a loan older chip, so you may wish to remove the CPU and everything else as MSI did well with that feature. I'd certainly be trying that as it might be by design how that works.

Removed everything from the board except the power connections and with a 1GB different USB did the flashback which took just under 4 minutes. put everything back with new thermal paste on CPU. inspected cpu pins and they all looked good. And still same problem. The debug lights make no sense. If I remove CPU the debug light tells me by lighting the CPU, if i then put CPU and remove RAM, the debug light tells me by lighting the RAM light. But if i removed the graphics card the thing doesnt light up to say there is NO VGA. So surely something is not right. It's not even looking for VGA or something

heatonpkmassive · 10 May 2020 at 00:07

Can you try the card in another machine?

john2k · 10 May 2020 at 11:50

heatonpkmassive said:
Can you try the card in another machine?

Not really, dont have access to another machine that supports this card. But I tried the Nvidia NVS 310 on the lower slot too and still nothing. The motherboard has been replaced, the DDR ram has been replaced with new ones. So it leaves me to thing either it's CPU, PSU or the 2070 Super. But I think the 2070 super will be at the bottom of the possibility list because i've tried the NVS 310 which was tested on another machine as working. I'm thinking maybe it's CPU because of the following theory I have: This CPU doesnt have a built in GPU right? so if I had a CPU that had a GPU it will somehow relate this information to the motherboard so that the video signal goes through to the motherboards display ports right? So for this CPU there is n GPU so technically the CPU needs to relate this info to the motherboard so that the motherboard uses and looks for the expansion slot graphics card. If CPU was faulty and didnt relate this information then motherboard may not look for graphics card and hence that may be the reason why the VGA light on the EZ Debug isnt coming on when i completely remove the graphics card. Any thoughts?

It just completely baffles me that if i remove the graphics card completely, the light that is supposed to tell me that it's missing isn't telling me it's missing instead it thinks it doesn't need to look for a graphics card.

heatonpkmassive · 10 May 2020 at 13:21

I'm thinking CPU myself now. I really hope you get to the bottom of what is going on, frustrating problem indeed.

john2k · 10 May 2020 at 13:36

heatonpkmassive said:
I'm thinking CPU myself now. I really hope you get to the bottom of what is going on, frustrating problem indeed.

Yes it has been really frustrating indeed. I'm going to RMA the CPU and then take it from there. Failing that next will be PSU failing that then the graphics card by which point all critical components have been changed. Will post back once I have an update. Thank you

Defy Belief · 10 May 2020 at 22:15

john2k said:
I've posted a video on the following thread if you can kindly have a look: https://forums.overclockers.co.uk/threads/b450-gaming-pro-carbon-ac.18886453/

Thanks

Not sure if it's the same as my old tomahawk max, but those debug leds should run in a sequence. It's like a post check for the board.

So it'll check cpu, red light, go off when OK.
Check ram, red light, go off when OK.
Then vga, then boot etc.

Seems like you're getting stuck in the first phase of the sequence, where its finding the cpu and then not moving on to the next component.

I assume you've cleared cmos etc.

john2k · 11 May 2020 at 21:40

Defy Belief said:
Not sure if it's the same as my old tomahawk max, but those debug leds should run in a sequence. It's like a post check for the board.

So it'll check cpu, red light, go off when OK.
Check ram, red light, go off when OK.
Then vga, then boot etc.

Seems like you're getting stuck in the first phase of the sequence, where its finding the cpu and then not moving on to the next component.

I assume you've cleared cmos etc.

Yes I've cleared the CMOS via the jumper many times as well as removing the battery. No luck.