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A solution of ASUS new bios ver.2012 (not downgrading)

Joined
Mar 11, 2019
Messages
1
Motherboard
ASUS ROG Strix B360-i Gaming
CPU
i5-8600
Graphics
R9 Nano
Sorry for my bad English. It's not my native language.

I'm using ASUS ROG Strix B360-i Gaming motherboard with Samsung PM961 Nvme SSD.
After I update the BIOS to version 2012, I have also ran into the problem that my hackintosh never boot again.
It just stucks at the progress bar with Apple logo.
And I noticed that the boot log stopped rolling when "SMCRTC:start" appears.
(The "AppleNVME Assert failed" error is misleading. But it's not the cause of this problem.)
392326

Then I found an bios option about RTC was added with this bios update.
It's located at UEFI Advance Mode\Advanced\PCH Configuration\System Time and Alarm Source:
392327

I changed the option from "ACPI Time and Alarm Device" to "Legacy RTC".
And my hackintosh is working now.
392329

I hope it's a useful solution for this problem.
 

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Joined
Jun 16, 2010
Messages
105
Motherboard
ASUS PRIME B360M-A
CPU
i3-8100
Graphics
RX 570
THANK YOU!!! Confirmed! Working for my ASUS PRIME B360M-A as well. You are a gentleman and a scholar etc etc.

I've combed through BIOS settings for weeks and never thought it could be due to something as simple as "System Time And Alarm Source."

Many users completely replaced their motherboards, I'm glad I was patient.
:headbang::clap:
 
Last edited:
Joined
Nov 22, 2016
Messages
5
Motherboard
ASUS ROG STRIX H370-I Gaaming
CPU
i5-8400
Graphics
RX 560
Mac
iMac, MacBook Pro
Mobile Phone
Android, iOS
Thank you.
Will check in the eve with my ROG STRIX H370-I and will let you know.
 
Joined
Mar 5, 2019
Messages
4
Motherboard
Asus Prime H310m-a
CPU
I5-8400
Graphics
UHD 630
Thanks a lot, you saved my day !!! Asus prime H310m-a worked after apply this solution
 
Joined
Mar 3, 2019
Messages
1
Motherboard
ASUS Intel Z390 mini-ITX
CPU
i5-8600K
Graphics
RX 580
Cant find the option on the z390-i 2012 bios... that option is missing under PCH configuration
 
Joined
Mar 6, 2019
Messages
7
Motherboard
ASRock Z390 Phantom Gaming-ITX/AC
CPU
i9-9900K
Graphics
RX 560
Mac
MacBook Air
Classic Mac
LC, PowerBook
Cant find the option on the z390-i 2012 bios... that option is missing under PCH configuration
Got the same board. Did you find an alternate solution? I can't rollback the bios. Maybe there is something else I can change?
 
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