AMD Motherboards - Change Pci Speed at Fatal1ty X370 Gaming K4

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Change Pci Speed at Fatal1ty X370 Gaming K4

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=6105
Printed Date: 25 Apr 2024 at 8:26am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Change Pci Speed at Fatal1ty X370 Gaming K4

Posted By: Santor
Subject: Change Pci Speed at Fatal1ty X370 Gaming K4
Date Posted: 17 Sep 2017 at 11:27am

Hi there,, i barely bought new Fatal1ty X370 Gaming K4 and then i willing to use it for mining. But i have the problem now i cant change PciE speed in mobo bios..i was search all bios menu but still i cant find it.

Can anyone help me solve this

Replies:

Posted By: nangu
Date Posted: 17 Sep 2017 at 12:24pm

" rel="nofollow - This motherboard doesn't have that option i'm affraid.

Be curious, why do you want to change that?

Cheers.

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R7 1700 @3.90 1.25v - GSkill TridentZ 3200c16 Hynix MFR @2933 14-16-16-32 - Fatal1ty Gaming X370 K4 - Gigabyte GTX 1070 G1 - WD 256 Black M2 Nvme as Windows 10 boot drive - EVGA Gold 650W

Posted By: Santor
Date Posted: 17 Sep 2017 at 2:15pm

" rel="nofollow - just wanna change cause the mining guide tell that way,,btw its gonna be auto speed if this mobo doesnt have the option??

Posted By: nangu
Date Posted: 18 Sep 2017 at 3:32am

I think it depends on the video card's bus specs. If it's PCIE 2.0, the PCIe bus degrades to 2.0 speeds automatically.

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R7 1700 @3.90 1.25v - GSkill TridentZ 3200c16 Hynix MFR @2933 14-16-16-32 - Fatal1ty Gaming X370 K4 - Gigabyte GTX 1070 G1 - WD 256 Black M2 Nvme as Windows 10 boot drive - EVGA Gold 650W

Posted By: Ivan_83
Date Posted: 18 Sep 2017 at 7:36am

" rel="nofollow - Try to find: "BIOS and Kernel Developer?�s Guide (BKDG) for AMD Family 16h Models 30h-3Fh Processors" pdf doc.
In doc you can find register address and values that you need.
Next use some tool to read/write registers.
~51% chances to success, IMHO.

For example this string on linux to read ryzen CPU temp:
echo $((0xsetpci -s 00:0.0 60.l=0x59800 && setpci -s 00:0.0 64.l/2097152*5/4))
(write then read)