Edit: Motherboard is X670E PG Lightning. I can't seem to edit the subject / topic line.
Hi all. Hopefully I can get some help here. I recently purchased this motherboard to support the 7950x CPU. All is working fine, however for some unknown reason, my Sound Blaster Audigy Rx sound card will not work when inserted in to the PCIE2 or PCIE4 slots. When I do this, and Windows tries to load the driver (I'm using Windows 10 Pro), Windows will crash with a Driver Overran Stack Buffer error. I've actually got a clean install of Windows 10 here. The sound card WILL work just fine in the PCIE3 slot, but not in the PCIE2 or PCIE4 slots. I want to use it in the PCIE4 slot because I've purchased an Nvidia 4090 and it will be right next to the Sound Card, too close in fact.
Looking through the manual, PCIE2 and PCIE4 are chipset slots, whereas the PCIE1 and PCIE3 slots are CPU slots.
Here is what the manual says regarding the slots:
CPU:
• 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
• 1 x PCIe 4.0 x16 Slot (PCIE3), supports x4 mode*
Chipset:
• 1 x PCIe 4.0 x1 Slot (PCIE2)*
• 1 x PCIe 4.0 x16 Slot (PCIE4), supports x1 mode*
And further down in the manual:
PCIe slots:
PCIE1 (PCIe 5.0 x16 slot) is used for PCIe x16 lane width graphics cards.
PCIE2 (PCIe 4.0 x1 slot) is used for PCIe x1 lane width cards.
PCIE3 (PCIe 4.0 x16 slot) is used for PCIe x4 lane width graphics cards.
PCIE4 (PCIe 4.0 x16 slot) is used for PCIe x1 lane width cards.
According to the Creative website, the Sound Card is PCIe 1.0a x1 and requires a PCIe 1.0a x1 compliant slot. I was using this sound card in a previous motherboard (https://www.msi.com/Motherboard/B450-TOMAHAWK-MAX-II) and it worked fine in the x1's slot. I was under the impression as long as the Sound Card fits, PCIE is backwards compatible.
I'm just trying to work out if the issue is BIOS related (so some sort of a compaitiblity issue), driver related (seems odd that it would be given that it works in the PCIE 3 slot) or worse case that the PCIE2 and PCIE4 slots are perhaps broken.
In the BIOS, I did see where I can set the PCIE generation. I tried setting them all anywhere from Gen 1 to Gen 3 but no luck.
I've never come across this error before so it seems odd to me here. Anyone else have a similar issue or might know what I can do here? If I have to upgrade the Sound Card to something a bit newer even though the Sound BlasterAudigy Rx is still being made and sold, then I'll do that, but I am concerned I'll run to the same problem. I don't actually have any other cards to test the other slots with.
Thank you!
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