Hi,
Does anyone have any experience enabling Secure Boot on the Asrock Taichi X399 motherboard + Threadripper (2950x)?
I have followed the guide https://wiki.gentoo.org/wiki/Secure_Boot and all goes as instructed. sbctl shows that the setup mode is exited.
When I reboot with Secure Boot enabled (out of setup mode) it simply "bricks" the PC -> a black screen and BIOS can no longer be entered nor can the computer be booted; can't do anything with it.
The code on the Dr.Debug LED display on the motherboard indicates "0E", then, left long enough, "00" ( I think, 'normal' )
I wish I could provide more detail on my install but it's now a literal brick. Fresh Gentoo install (plasma systemd x64). Bios version is 4.0.3 (latest)
https://www.asrock.com/mb/amd/x399%20taichi/index.asp
I'm puzzled as to why it would no longer do anything at all, black screen regardless of powering on/off/waiting etc....
Just wondering if anyone has come across anything similar. Maybe a BIOS bug, but there again Win 11 secure boot works fine.
Secure Boot on TR4 X399 - Bricked.
Message
- NeddySeagoon
- Administrator
- Posts: 56077
- Joined: Sat Jul 05, 2003 9:37 am
- Location: 56N 3W
mikearuba,
Welcome to Gentoo.
Reading your motherboard manual, you have a Clear CMOS switch, located just to the left of the Dr Debug display, when that's at the bottom of the motherboard.
At the very least, it will corrupt the CMOS settings, so that the checksum is invalid. That should force the system into the BIOS an next boot.
It will not boot with the Clear CMOS switch in the clear position, as that usually holds the CPU reset.
You also have a BIOS flashback facility but that's usually very scary to try to use, so don't do that until we have tried everything else.
Welcome to Gentoo.
Reading your motherboard manual, you have a Clear CMOS switch, located just to the left of the Dr Debug display, when that's at the bottom of the motherboard.
At the very least, it will corrupt the CMOS settings, so that the checksum is invalid. That should force the system into the BIOS an next boot.
It will not boot with the Clear CMOS switch in the clear position, as that usually holds the CPU reset.
You also have a BIOS flashback facility but that's usually very scary to try to use, so don't do that until we have tried everything else.
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail.
Re: Secure Boot on TR4 X399 - Bricked.
Just to be clear, is your PC unusable (as in "bricked") or bootable but only to Windows. If the latter, it isn't bricked, it "just" needs its Gentoo boot setup sorting, and that can mean a lot of things to be discussed once this "bricked" thing is clear. If it boots to Windows, you shouldn't need to reset BIOS or anything, it will start with diagnosing EFI boot issues.mikearuba wrote:...
I wish I could provide more detail on my install but it's now a literal brick. Fresh Gentoo install (plasma systemd x64). Bios version is 4.0.3 (latest)
...
Just wondering if anyone has come across anything similar. Maybe a BIOS bug, but there again Win 11 secure boot works fine.
Greybeard
Sorry for the delay in my reply; have been traveling.
It was "bricked" in that no response from the machine could happen, however I was able to use the Asrock BIOS Flashback tool (via a usb and onboard button) and all was well again.
It seems to be a bit of a temperamental board implementation - I'll try again once I have access to my machine and post back
It was "bricked" in that no response from the machine could happen, however I was able to use the Asrock BIOS Flashback tool (via a usb and onboard button) and all was well again.
It seems to be a bit of a temperamental board implementation - I'll try again once I have access to my machine and post back