B450 Pro4 Second GPU Not Detected

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   Hi all,

I've been working through getting a second GPU enabled on this motherboard and having some issues.

Things I have done:

* Determined PCIE4 is disabled due to M2_1 in use
* Moved NVME to M2_2, which didn't work
* Updated BIOS to 10.08
* M2_2 now working with SATA3_3 & SATA3_4 removed and "Force m2_2" enabled
* PCIE4 still not working
* Changed bios setting for PCI Express Config to 8x8, didn't work
* Changed bios setting for PCI Express Config to 8x4x4, didn't work

Is there some other setting I am missing in the bios?  

From what I understand, my current hardware config should support PCI 3x16 in the PCIE2 slot and PCI 3x4 in the PCIE4 slot.

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offmyrocker123 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 Jun 2024 Status: Offline Points: 65	Post Options Post Reply Quote offmyrocker123 Report Post Thanks(0) Quote Reply Topic: B450 Pro4 Second GPU Not Detected Posted: 03 Jun 2024 at 1:56am
	Hi all, I've been working through getting a second GPU enabled on this motherboard and having some issues. Things I have done: * Determined PCIE4 is disabled due to M2_1 in use * Moved NVME to M2_2, which didn't work * Updated BIOS to 10.08 * M2_2 now working with SATA3_3 & SATA3_4 removed and "Force m2_2" enabled * PCIE4 still not working * Changed bios setting for PCI Express Config to 8x8, didn't work * Changed bios setting for PCI Express Config to 8x4x4, didn't work Is there some other setting I am missing in the bios? From what I understand, my current hardware config should support PCI 3x16 in the PCIE2 slot and PCI 3x4 in the PCIE4 slot.

offmyrocker123 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 Jun 2024 Status: Offline Points: 65	Post Options Post Reply Quote offmyrocker123 Report Post Thanks(0) Quote Reply Posted: 03 Jun 2024 at 2:06am
	Add to the list * Swapped GPUs. Lane Config 8x8 PCIE2 works PCIE4 slot still not detected

offmyrocker123 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 Jun 2024 Status: Offline Points: 65	Post Options Post Reply Quote offmyrocker123 Report Post Thanks(0) Quote Reply Posted: 17 Jul 2024 at 10:00am
	Bump. Anyone know why it might not be recognized with the NVME drive moved to the proper.slot?

SHROOMS Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Jul 2024 Location: London, UK Status: Offline Points: 15	Post Options Post Reply Quote SHROOMS Report Post Thanks(0) Quote Reply Posted: 17 Jul 2024 at 11:10am
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