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Taichi x399 dead?
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TANWare View Drop Down
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    Posted: 24 Dec 2017 at 9:35am
I only had the manual but it is laid out pretty good. When it was corrupted I had the same thing 100% dead.
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Asrock has detailed instructions for flashing here:

Below are instructions + pictures on how to use the BIOS flashback feature on the Asrock website in their "FAQ" section:

https://www.asrock.com/MB/AMD/X399%20Taichi/index.us.asp#FAQ

It is under the following Question dated August 1, 2017:

Q: I'd like to install the TR4 1900X CPU on X399Taichi or X399 Prof. Gaming, what should I do?
Please refer to the following steps to update the BIOS P1.30 or later version to support TR4 1900X CPU. (2017/8/1)

The above is much more detailed than the manual, especially since it includes pictures which confirm that you only need to plug in the 24-pin power cable and flip your PSU to "ON":   it's not necessary to have the CPU installed, or other power or other cables, and you don't power up the motherboard of course.
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Originally posted by TANWare TANWare wrote:

My bios got corrupted and had to do the emergency bios flash procedure. That could be something to try as well.


How does one perform emergency UEFI flash?
1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB
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TANWare View Drop Down
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My bios got corrupted and had to do the emergency bios flash procedure. That could be something to try as well.
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I just ran into the same problem :-(   Did you end up RMA'ing it?  I hope this isn't a known issue with these boards.  I really liked it otherwise.
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Kind Regards,
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J Z View Drop Down
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Hello,

TR4 with 4.1 GHz can be over 450 watts at the EPS12V 8pol, you have also connected the 4 pol (8 + 4) ?

I have an Enermax 1200 Watt connected with the X399 Taichi Smile
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PSU died?

How old is/was it?
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Originally posted by hebrewbacon hebrewbacon wrote:

Originally posted by Xaltar Xaltar wrote:

Try this:

http://forum.asrock.com/forum_posts.asp?TID=630&title=how-to-clear-cmos-via-battery-removal

Make sure you leave the PC disconnected from the wall for at least 1 hour. Sometimes this will resolve power issues where the protection circuits got stuck in an alarm state. 

If that does not work, I would RMA both CPU and board. Better to be safe than sorry.

That didn't work. 
Damn that sucks. I had a pretty good CPU as far as overclocking was concerned. Would hate to RMA it and get a replacement that doesn't OC as well. Guess that beats a system that doesn't work. 


If you're seeing nothing on the Dr Debug display, then that should mean the board is bad. If the board was good, and the CPU bad, then you would see a 00 code on the Dr Debug display.

I don't know if we even know at this point if the CPU is bad. Impossible to tell if the board is bad. We don't know if you had a POST beep speaker connected, and the POST beep option enabled in the UEFI/BIOS, but it seems you never get to the POST stage at all.

It may be worth waiting for just a new board to see if the CPU is dead, but that is up to you.
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Originally posted by Xaltar Xaltar wrote:

Try this:

http://forum.asrock.com/forum_posts.asp?TID=630&title=how-to-clear-cmos-via-battery-removal

Make sure you leave the PC disconnected from the wall for at least 1 hour. Sometimes this will resolve power issues where the protection circuits got stuck in an alarm state. 

If that does not work, I would RMA both CPU and board. Better to be safe than sorry.

That didn't work. 
Damn that sucks. I had a pretty good CPU as far as overclocking was concerned. Would hate to RMA it and get a replacement that doesn't OC as well. Guess that beats a system that doesn't work. 
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