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B450M-PRO ESXI 6.X passthrough problem

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=10380
Printed Date: 23 Jul 2025 at 9:28pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: B450M-PRO ESXI 6.X passthrough problem
Posted By: m1a2
Subject: B450M-PRO ESXI 6.X passthrough problem
Date Posted: 11 Dec 2018 at 4:36am
Good day.
I purchased a B450M-PRO motherboard with a AMD ATHLON 200GE processor for building a small hypervisor based on VMware ESXI 6.5,6.7.
However, I ran into a problem when activating the passthrough mode.
The problem is the following: when adding any device to the passthrough mode, the system displays the message READY/Reboot need; however, after the reboot, the message does not change, it remains the same as if the reboot was not.

I also have another system based on the ASROSK N270M-PRO4 motherboard, working in with i5 E7500 processor. There are no such problems there.



Replies:
Posted By: m1a2
Date Posted: 11 Dec 2018 at 4:43am
SVM Mode = [Enabled]
SR-IOV Support = [Enabled]



Posted By: m1a2
Date Posted: 11 Dec 2018 at 4:46am
IOMMU = [Enabled]


Posted By: m1a2
Date Posted: 11 Dec 2018 at 4:48am
Conducted testing at ESXI 6.5 UPDATE2 and ESXI 6.7


Posted By: xhue
Date Posted: 11 Dec 2018 at 6:24am
What is your BIOS version?


Posted By: m1a2
Date Posted: 11 Dec 2018 at 2:02pm
Bios version 1.60


Posted By: xhue
Date Posted: 11 Dec 2018 at 9:56pm
I think this issue is solved in AMD AGESA PinnaclePI 1006.

Latest AGESA for your mobo is 1004. That's ASRock for you.


Posted By: m1a2
Date Posted: 12 Dec 2018 at 1:20am
Do not tell me the exact release dates for 1006 for this motherboard ???


Posted By: xhue
Date Posted: 12 Dec 2018 at 2:00am
My sweet summer child, that's the sole reason I dumped my X370 Taichi. ASRock's support for their BIOS is notoriously bad.

I am truly into VM and stuff, but ASRock did never provide... but you, you my friend, you can really make a difference - start a Reddit petition or something to grab ASRock's attention.

P.S. another slim chance - do you have an ACS switch option somewhere in your BIOS?

P.P.S. their [ASRock's] support staff are lurking in the forums. They just don't give a damn. [:-D]



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