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Taichi UEFI Update Froze Now Bricked
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JoJoDaClown View Drop Down
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    Posted: 10 Mar 2017 at 9:56am
I was in the process of changing UEFI BIOS from 1.54 down to 1.50 to explore changes in stability. I had 1.50 loaded on a bootable USB, to which I'd used before when I had updated to 1.51. I had the USB stick plugged into a USB3.0 jack provisioned by the USB 3.0 header on the motherboard. During the DOS BIOS update, it froze at 29%. I left it for a good 10 mins before finally hitting the restart button. 

During restart, it powered up the USB, but did not post.

I've Cleared the CMOS via unplugging power, waiting 15 seconds, then pressing and holding the CMOS clear button on the rear IO panel. Had USB drive with the BIOS DOS file in the root of the directory, no other files, FAT32 format. Plugged into a USB 3.0 port on the back IO Panel.
I've done the same but instead using the Clear CMOS Jumper with it jumped 2-3 for 10+ minutes. Moved jumper back to 1-2.
It's been powered on for 20 minutes now like this with no sign of recovering the UEFI BIOS. 

Trouble code on the Motherboard is F9.

What do I do now?
Ryzen 1800X
ASRock X370 Taichi
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wardog View Drop Down
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Meh, let's give a few things a try ............

So, it's been powered down after the flash attempt?
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JoJoDaClown View Drop Down
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Yes, I've powered it down since the flash attempt.

In the past hour, I've tried numerous time to clear CMOS and recover from USB with the BIOS file. Moved the USB to all of the ports. I keep monitoring the Dr Debug and it cycles through the same few codes then to F2, F9, F2, F9. So it's erroring out, looking for the recovery, and not finding the recovery.


Edited by JoJoDaClown - 10 Mar 2017 at 11:20am
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JoJoDaClown View Drop Down
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Originally posted by wardog wardog wrote:

Meh, let's give a few things a try ............

So, it's been powered down after the flash attempt?


I'm confused how this doesn't have a recovery.
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wardog View Drop Down
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Originally posted by wardog wardog wrote:

Meh, let's give a few things a try ............

So, it's been powered down after the flash attempt?


It has. Ok.


1st try
Put the usb stick in a rear USB 3.0 port, power it up, and begin spamming the F6 key. I've used this unknown/little known trick on pre-Ryzen boards to revive a failed flash.

If that fails in a rear USB 3.0 port try it with the stick connected to/off one of the USB 2.0 "ports' that are for connecting to a cases front panel.



Post back please.
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JoJoDaClown View Drop Down
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Originally posted by wardog wardog wrote:




1st try
Put the usb stick in a rear USB 3.0 port, power it up, and begin spamming the F6 key. I've used this unknown/little known trick on pre-Ryzen boards to revive a failed flash.

If that fails in a rear USB 3.0 port try it with the stick connected to/off one of the USB 2.0 "ports' that are for connecting to a cases front panel.



Post back please.





This didn't work. Tried F6 forever, I kept restarting. Moved to other F keys, other usb ports, multiple usb sticks in at the same time.
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wardog View Drop Down
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At what point is it restarting?
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wardog View Drop Down
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Also, re-make your bootable stick from the ground up, beginning with a FAT32 re-format.

Then, first if possible test it on another computer or laptop that is in fact bootable.
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maffle View Drop Down
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How can it brick? Doesn't the Taichi have dual bios/UEFI (or a recovery rom)? If not, that's a huge fail for a board in that price category. Also doesn't Asrock boards have that "Crashless" feature for uefi update?

Edited by maffle - 10 Mar 2017 at 10:01pm
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JoJoDaClown View Drop Down
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Originally posted by wardog wardog wrote:

Also, re-make your bootable stick from the ground up, beginning with a FAT32 re-format.

Then, first if possible test it on another computer or laptop that is in fact bootable.

The PC, when the USB stick is in, has power to the USB, then I hit the power button, it removes power from the USB, then I get HDD activity light flashing in sync with the USB stick light, then it turns the USB light off. It's at that point that the board says F9 and has basically given up. There's no automatic restarting occurring or anything but just on after that, no activity.

It makes me think that what's on the USB drive for a file is not what it's looking for. The file I have, is downloaded from ASRock, and is a X370TC154.exe file. This is what's extracted from the DOS update zip file. I've also tried making an autoexec.bat file with only X370TC154.exe in it.

Regarding the USB stick. I've generally been trying only a USB stick with nothing in it except the X370TC154.exe. I've also tried my bootable USB and I know indeed it is working. I've tried it on my other PC, as well as updated my BIOS with it before when 1.51 came out.
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