Will installing an m.2 in this slot drop my GPU to 8x

So I am building a machine with a “msi z690-a pro ddr4” (PRO Z690-A DDR4)

It has 4 M.2 slots and as I understand it:
M.2 - 1) is from the CPU
M.2 - 2-4) are from the chipset.

I am happy with the chipset ones but if i use the first slot will it drop my 1st 16x slot to 8x speeds (Will be running in GEN 4 for my G-card FYI)

The paint image is of how i think this works, am i way off? (The reffrences to 980 and 970 are just for me to reffrence when i am trying to work this out. Slot one is where ther red bar is)

No from what it says in the manual
image
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That one is on those lanes, rest are into the chipset

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Ah thanks, I was unsure if it was just an ommission or it could handle both at full speed.

I will give it a crack.