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AsRock Z170 PRO4S Not Showing #4 PCIe settings
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Macronut View Drop Down
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    Posted: 02 Feb 2018 at 5:51am
I cannot see the settings for the #4 PCIe slot.
I see PCIe#1, 2, 3, & 5.
Has anyone been up against this?
So far, I've tried to upgrade firmware. Says I have current Firmware.
MY PSU is 1000Watts.

I want to run 5 RX 580 Video cards, and be able to tweak the PCIe link speeds for optimal use. The Board  physically has 5 PCIe slots.
Any help or suggestions would be great.

BIOS & MOBO:


ASROCK Z170PRO4S
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Points: 10 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Macronut Quote  Post ReplyReply Direct Link To This Post Posted: 02 Feb 2018 at 8:20am
OK, I have tried the BIOS update to 7.30 (Latest for this board) . It in itself was successful. However, I do not see the 4th PCIe slot settings.  I'm starting to think I have a dud Mobo....
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But how many PCIe Lanes does the unknown proc of yours have?
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I'm not certain on that. How would I find this out?

I'm starting to see that my CPU is my limitation with lanes with this ASROCK Z170 Board.
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According to intels specs on my CPU it reads:
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Jackpot!
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Time to attempt using 5 PCIe 1x Risers I guess.
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I have risers. However does this solve my slot issue not showing up in mobo?
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Originally posted by Macronut Macronut wrote:

I have risers. However does this solve my slot issue not showing up in mobo?


What I meant was: will the risers enable the 4th slot to work even though it does not appear in my bios settings due to CPU limitation?
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That, I can't say. Is it a PITA to just do it and find out instead of asking someone who doesn't have your setup?

If not, contact:
https://event.asrock.com/tsd.asp
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