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 13. [https://nvidia.custhelp.com/app/answers/detail/a\_id/4188/\~/extracting-the-geforce-video-bios-rom-file](https://nvidia.custhelp.com/app/answers/detail/a_id/4188/~/extracting-the-geforce-video-bios-rom-file)
 14. [https://www.overclock.net/forum/69-nvidia/1523391-easy-nvflash-guide-pictures-gtx-970-980-a.html](https://www.overclock.net/forum/69-nvidia/1523391-easy-nvflash-guide-pictures-gtx-970-980-a.html)
 15. [https://medium.com/@konpat/kvm-gpu-pass-through-finding-the-right-bios-for-your-nvidia-pascal-gpu-dd97084b0313](https://medium.com/@konpat/kvm-gpu-pass-through-finding-the-right-bios-for-your-nvidia-pascal-gpu-dd97084b0313)
-16. [https://www.groovypost.com/howto/setup-use-remote-desktop-windows-10/](https://www.groovypost.com/howto/setup-use-remote-desktop-windows-10/)
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+16. [https://www.groovypost.com/howto/setup-use-remote-desktop-windows-10/](https://www.groovypost.com/howto/setup-use-remote-desktop-windows-10/)
+
+
+**pass-through on an i5 4690K with only HD4600 iGPU**
+https://www.reddit.com/r/homelab/comments/b5xpua/the_ultimate_beginners_guide_to_gpu_passthrough/
+https://forum.proxmox.com/threads/i5-4440-hd-4600-passthrough-code-43.75322/
+https://forum.proxmox.com/threads/gpu-passthrough-fails-no-available-iommu-models.120675/#post-524195
+https://pve.proxmox.com/wiki/PCI_Passthrough
+
+
+**The default machine is i440fx, but q35 is required for PCIe cards:**
+https://pve.proxmox.com/wiki/PCI_Passthrough#PCI_Express_Passthrough
+
+
+**the grub-default `video=vesafb:off,efifb:off`**
+Should be: `video=vesafb:off video=efifb:off`
+
+References:
+
+https://forum.proxmox.com/threads/gpu-passthrough-not-working-bar-3.60996/
+https://forum.proxmox.com/threads/problem-with-gpu-passthrough.55918/#post-257462
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