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10-19-2018 05:43 PM #1New ROGer Array
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Prime Z370-A: PCI-E runs at x8 instead of x16
I checked the bios settings and it's in the PCI-E X16_1 slot but running in X8 Native.
Why is this happening and would there be a performance difference?
I'm certain it was x16 before. Not sure if it has anything to do with the latest bios version..
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10-19-2018 06:10 PM #2Administrator Array
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Hi,
Would need more information as to what is connected to the system, as it might be due to other devices using the lanes. As to performance, no, in a single card system any performance impact will be minimal.
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10-19-2018 06:46 PM #3Moderator Array
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Can you give us more details on the matter, and your full specification. as this issue can arise for many reasons.
Originally Posted by frackzz
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10-19-2018 07:08 PM #4New ROGer Array
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Originally Posted by cl-Adrian@asus
i7 8700K @ 4.9 Originally Posted by Silent Scone@ASUS
Gskill DDR4 3600 Mhz
Prime Z-370A
Samsung SSD 850 Evo 500GB
It was running on X16 before, I'm 100% certain about that.
I updated the BIOS two weeks ago to the latest version, and today I noticed it's running at X8.
Idle it's on X8 1.1, and under load X8 3.0.
Not using any other slots or cards.
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10-23-2018 11:50 PM #5Moderator Array
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Originally Posted by frackzz
i7 8700K @ 4.9
Gskill DDR4 3600 Mhz
Prime Z-370A
Samsung SSD 850 Evo 500GB
It was running on X16 before, I'm 100% certain about that.
I updated the BIOS two weeks ago to the latest version, and today I noticed it's running at X8.
Idle it's on X8 1.1, and under load X8 3.0.
Not using any other slots or cards.
Sorry for the delay but can your clear your CMOS and see from there?
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