Hello world!

All I want.... is to set primary video card in BIOS. This used to be an easy job, unless you have an AM4 board. It's a mystery why most of AM4 boards won't let you pick what video card you want. Here is a list how different boards deal with this issue. Biostar X470GTA does not have any option regarding primary video card and will default to first PCI X16 slot.

I looked into X470GTA BIOS with AMIBCP and there is a hidden section where you can choose between Integrated Graphics and NB PCie slot video, but I'm pretty sure you still can t pick a specific video card, from a specific slot...

(AMIBCP) If I use ROM dumped with AFUWIN - any enabled option won t show up in BIOS.

Here is the BIOS image dumped with Afuwin

3rd time's a charm...

OMG! Now it works! I redumped BIOS and fiddled arround with AMIBCP to enable primary video card menu. Then, I simply changed primary card to IGD Graphics (none on Ryzen 3900X...) and now RTX 2070 Super is ignored and primary video is Voodoo 3 PCI mounted on bottom PCI slot. I was convinced that this is not possible. Even Biostar said so:

Zitat

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Gary
2019-12-18 10:20:13

Dear customer.

According to your question, this model only can set the primary display to PCIe slot or IGD.

If you installed devices at PCIe & PCI slot, it will boot from PCIe first.

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Zitat

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