RTX 4090 Support

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  • AgitatedRiotAgitatedRiot Posts: 4,437
    edited November 2022
    It's a problem with the adapters. The PCIe 5.0 has a connector designed to carry the power to a 4090 with no adapter needed. The connector max out is 500 watts for high power 4090 card.
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    Post edited by AgitatedRiot on
  • ted-berlinted-berlin Posts: 16
    edited November 2022

    Hallelujah,

    after 1 month of pain my RTX 4090 is working great. Today Nvidia released new drivers for dforce support:

    https://www.nvidia.com/en-us/geforce/forums/game-ready-drivers/13/504470/geforce-grd-52698-feedback-thread-released-111622/

    But the main problem with the reboots on idle was solved not by the nvidia drivers but by my ASUS Z690 HERO beta Bios Version 2201

    https://www.overclock.net/threads/rtx4090-and-boot-loop.1801324/page-18

    So overall: don't RMA your 4090. Grab the new BIOSes from your mainboard manufacturer and for dforce the new nvidia driver. And btw the idle and boot problem was solved only by the mainboard bios update not the nvidia drivers.

     

     

     

     

    Post edited by ted-berlin on
  • It is the wire that Nvidia cheaply made that is burning up those cards. Nothing wrong with the card just the power in needs to be redone.Nvidia needs to make those connectors bigger and of better metal. I am going to wait and see if the partners make a better card without Nvidia crappy power cable.

  • AgitatedRiotAgitatedRiot Posts: 4,437
    edited November 2022

    Again I recommend the proper PSU, a PCIe 5.0 PSU.

    Note the 12VHPWR HPWR stands for HIGHPOWER

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  • Silver Dolphin said:

    It is the wire that Nvidia cheaply made that is burning up those cards. Nothing wrong with the card just the power in needs to be redone.Nvidia needs to make those connectors bigger and of better metal. I am going to wait and see if the partners make a better card without Nvidia crappy power cable.

    Are these nVidia-made cards and connectors giving trouble or third-party?

  • AgitatedRiot said:

    It's a problem with the adapters. The PCIe 5.0 has a connector designed to carry the power to a 4090 with no adapter needed. The connector max out is 500 watts for high power 4090 card.

    That's factually wrong.  The nVidia dongle delivers 600W power.  Each 8-pin connector delivers 150W and there are 4 connectors.

    The base TBP of the 4090, though, is only 450W, though it can be overpowered for overclocking up to a maximum of 600W.

    Right now, there is no definitive cause for the adapters to be melting.  So far, it does not appear to be damaging the functionality of the card, just the plastic wire harness is exceeding its thermal limits.  So far, no lab testing has validated this though.

    There is also extremely limited information on it, apart from a couple of Redditors posting pictures of melted adapters.  None of them yet have coughed up the adapters to any professional lab for analysis.  There also seems to be no more reports of it.

    There's a few suspicions in my mind:

    1 - User error - the plugs were not plugged in securely

    2 - User error - only 3 of the 4 power connectors were delivering power and with transient spikes that all video cards (AMD included) have been known to cause, it's possible that the draw on 3 connectors significantly exceeded the power capabilites of the connectors

    3 - Batch of defective cables - I think the reports were that it was FE cards as well as AIB cards that suffered damage, so it's possible that the company who fabricated the dongles may have produced a bad batch

    4 - Malicious behaviour - Given that no one with damaged cables have submitted their cables for further forensic investigation, there's also the disctinct possibility that malicious players fabricated the damage in order to gain internet clout.

  • This was just recently uploaded.

    Long and short: the vast majority of lab-verified failures were caused by improper insertion of the adapter, which would also happen with a PCIe 5.0 12VHPWR adapters as well.

  • Expozures said:

    This was just recently uploaded.

    Long and short: the vast majority of lab-verified failures were caused by improper insertion of the adapter, which would also happen with a PCIe 5.0 12VHPWR adapters as well.

    I stand correct. Just read an article about the cable that came with Nvidia RTX 4090 can fail also. 

  • AgitatedRiot said:

    It's a problem with the adapters. The PCIe 5.0 has a connector designed to carry the power to a 4090 with no adapter needed. The connector max out is 500 watts for high power 4090 card.

    https://www.youtube.com/watch?v=ig2px7ofKhQ

  • algovincianalgovincian Posts: 2,635

    sadajosephanthony said:

    AgitatedRiot said:

    It's a problem with the adapters. The PCIe 5.0 has a connector designed to carry the power to a 4090 with no adapter needed. The connector max out is 500 watts for high power 4090 card.

    https://www.youtube.com/watch?v=ig2px7ofKhQ

    My favorite line: "We're greatly concerned that the anxiety around this issue is causing more failures." after making videos on the subject that have thumbnails showing flames and a fire extinguisher. 

    - Greg

  • algovincian said:

    sadajosephanthony said:

    AgitatedRiot said:

    It's a problem with the adapters. The PCIe 5.0 has a connector designed to carry the power to a 4090 with no adapter needed. The connector max out is 500 watts for high power 4090 card.

    https://www.youtube.com/watch?v=ig2px7ofKhQ

    My favorite line: "We're greatly concerned that the anxiety around this issue is causing more failures." after making videos on the subject that have thumbnails showing flames and a fire extinguisher. 

    - Greg

    Lol, it just makes me want to wait a very long time 

  • sberlinssberlins Posts: 128

    Just installed my 4090.  System was delayed in shipping until they got PSU that did not require an adapator, just singleconnection to PSU.

  • Finally, This problem is fixed with New 526.98 NVIDIA Studio Driver. 
    The driver is available now.

  • marblemarble Posts: 7,500

    I am not in the market for a 4090 because I have a 3090 which was a huge expense and will have to last a looong time. Nevertheless, I like to see what's out there in case I have a lottery win so I watched this video this morning ...

     

     

    The narrator demonstrates his new 4090 using DAZ Studio (which he obviously considers to be third-rate software) because he can show the render window and time it takes to render a fairly simple scene. I have to say, however, that there must be something wrong with that scene because my 3090 would render a scene like that in less than 2 minutes and his 4090 was struggling to get to 50% after 5 minutes. Obviously I don't have details of the scene so I can't really compare but it just seems less than impressive as a demo of the power of a beast like the 4090.

  • KitsumoKitsumo Posts: 1,216
    edited November 2022

    marble said:

    I am not in the market for a 4090 because I have a 3090 which was a huge expense and will have to last a looong time. Nevertheless, I like to see what's out there in case I have a lottery win so I watched this video this morning ...

     

    The narrator demonstrates his new 4090 using DAZ Studio (which he obviously considers to be third-rate software) because he can show the render window and time it takes to render a fairly simple scene. I have to say, however, that there must be something wrong with that scene because my 3090 would render a scene like that in less than 2 minutes and his 4090 was struggling to get to 50% after 5 minutes. Obviously I don't have details of the scene so I can't really compare but it just seems less than impressive as a demo of the power of a beast like the 4090.

    I think it's the subdivision level 5 that he's using on both characters, probably to stress the card more. But I agree it's not much of a demo without something to compare it to, like a 3090 or something.

    I just looked at another of his videos, and he definitely doesn't have much love for Daz Studio. Then again, it looks like he uses subdivision level 3 in the viewport, then complains about how slow DS is, so he may just not be that familiar with it.

    Post edited by Kitsumo on
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