X370 Taichi stuck at E4

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   Hi,
Just got my new setup together and I am having trouble with the system freezing up.

If I am doing a cold boot I can get into BIOS for around a minute before the system freezes. On reboot the debug code stops at E4. Can't find any good documentation for what E4 is supposed to indicate......

First idea was that there was something wrong with cooling of the CPU, but checking the heat in BIOS before a freeze only gave me a reading of 33C at the moment of lockup. (Have also removed the cooler and re-applied thermal paste just to be on the safe side.)

Have also tried booting with only one RAM stick in position A2, but that gave no difference in how the system behaved. (Have tried both sticks alone.)

System parts:
X370 Taichi
AMD 1800x
G.Skil Flare X 16Gb
EVGA 850 GQ

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bigjj Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Oct 2017 Location: Norway Status: Offline Points: 6	Post Options Post Reply Quote bigjj Report Post Thanks(0) Quote Reply Topic: X370 Taichi stuck at E4 Posted: 15 Oct 2017 at 7:39pm
	Hi, Just got my new setup together and I am having trouble with the system freezing up. If I am doing a cold boot I can get into BIOS for around a minute before the system freezes. On reboot the debug code stops at E4. Can't find any good documentation for what E4 is supposed to indicate...... First idea was that there was something wrong with cooling of the CPU, but checking the heat in BIOS before a freeze only gave me a reading of 33C at the moment of lockup. (Have also removed the cooler and re-applied thermal paste just to be on the safe side.) Have also tried booting with only one RAM stick in position A2, but that gave no difference in how the system behaved. (Have tried both sticks alone.) System parts: X370 Taichi AMD 1800x G.Skil Flare X 16Gb EVGA 850 GQ

MisterJ Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 19 Apr 2017 Status: Offline Points: 1097	Post Options Post Reply Quote MisterJ Report Post Thanks(0) Quote Reply Posted: 15 Oct 2017 at 11:53pm
	bigjj, here is a good link to debug codes but little help for you (E4 - Reserved for future AMI progress codes): http://forum.hwbot.org/showthread.php?t=16017 You will need to open a ticket with ASRock and ask them what it means. Please put more detail in you system specifications and placed they in your signature as I have. Include your BIOS version and memory model. Some things to try: Open BIOS and hit F9 (Load UEFI Defaults), if BIOS is not staying open then use Clear CMOS. Do not update your BIOS until your system is stable. One stick of memory in A1, then B1, then B2. Enjoy, John.
	Fat1 X399 Pro Gaming, TR 1950X, RAID0 3xSamsung SSD 960 EVO, G.SKILL FlareX F4-3200C14Q-32GFX, Win 10 x64 Pro, Enermx Platimax 850, Enermx Liqtech TR4 CPU Cooler, Radeon RX580, BIOS 2.00, 2xHDDs WD

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 16 Oct 2017 at 12:35am
	have you been thru the usual suspects ? double check both 24pin pwr plug AND the sneaky hidden (on taichi) 8 pin eps/cpu pwr plug remove an reseat the gpu remove ALL HARD DRIVES AND SATA DRIVE double check the front panel pins/plugs are all in the correct holes
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

bigjj Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Oct 2017 Location: Norway Status: Offline Points: 6	Post Options Post Reply Quote bigjj Report Post Thanks(0) Quote Reply Posted: 16 Oct 2017 at 2:24am
	Memory of type: F4-3200C14D-16GFX BIOS is running version 2.20 Would want to upgrade, but not when the system is as unstable as it is now. Have tried: UEFI defaults loaded Cleared CMOS Both 24pin and 8 pin PWR checked GPU reseated no sata or M2 connected Only one stick of RAM in A1 Got a new GPU ordered. (Destined for another system, but nice for testing if the GPU I use now got trouble.) Ticket sent to ASRock for the error code. Found the same document in my hunt for a answer.

bigjj Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Oct 2017 Location: Norway Status: Offline Points: 6	Post Options Post Reply Quote bigjj Report Post Thanks(0) Quote Reply Posted: 18 Oct 2017 at 1:27am
	Got my backup machine GPU in the mail today and tried it in my troubled system first. Still getting a E4 error, so I guess my original GPU is not the cause for the lockup. Still waiting for a response from ASRock support for the error code.
	Taichi X370, Ryzen 1800X, G.SKILL Flare X F4-3200CL14D-16GFX, EVGA GQ 850, NVIDIA 1080 Ti

WideOpenSpaces Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 Oct 2017 Status: Offline Points: 2	Post Options Post Reply Quote WideOpenSpaces Report Post Thanks(0) Quote Reply Posted: 20 Oct 2017 at 12:58pm
	Here's another data point. I have a new Asrock X370 Gaming X. Assembled the system a couple of days ago, then did a smoke test. It booted into the bios just fine, so looked around and set the system clock. Next, I booted up an Ubutu live CD and played around for a few minutes--everything seemed working without a hitch. Shut it down and went to fill out the motherboard rebate form. Today I go to install Win10 on the system, and get nothing but a black screen. Try a few reboots, and notice that the error code is stopping at E4 every time. Tried resetting everything, and fully clearing the CMOS as per http://forum.asrock.com/forum_posts.asp?TID=630&title=how-to-clear-cmos-via-battery-removal but no joy, still locking up at E4. Very depressing. Please let us know if you hear anything useful back from Asrock support, but I suspect there's and RMA in my future. WOS

bigjj Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Oct 2017 Location: Norway Status: Offline Points: 6	Post Options Post Reply Quote bigjj Report Post Thanks(0) Quote Reply Posted: 29 Oct 2017 at 9:24pm
	All I have gotten from support is the following: Dear Customer, The code is not in the debug code list. Perhaps please check the previous code or please remove some devices(USB, HDD..) for verify. Best Regards, ASRock TSD Sent the motherboard back to the supplier and they approved the RMA. Got a new board on its way back to me. Hoping for better luck on try two.
	Taichi X370, Ryzen 1800X, G.SKILL Flare X F4-3200CL14D-16GFX, EVGA GQ 850, NVIDIA 1080 Ti

WideOpenSpaces Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 Oct 2017 Status: Offline Points: 2	Post Options Post Reply Quote WideOpenSpaces Report Post Thanks(0) Quote Reply Posted: 11 Nov 2017 at 5:04pm
	I heard back from support within a day or so, but the response was basically the same "unknown error code". They thought maybe memory or memory controller. Their suggestion was an RMA. Since I was out of my 30 day return period with the retailer, I RMAd dirctly to ASRock. Received the replacement board this week. Installed all the same components as before on it, crossed my fingers, and fired it up. Booted up without a hitch. Noticed that it came with the latest BIOS installed--don't remember if that was the case with the original one. Let it run (at the bios) for a good hour or so, then rebooted into the Ubuntu live CD again. No issues. A few days on, and Win 10 is installed, and no problems have appeared. Looks like it was a hardware or firmware issue with the original board. Here's hoping this one holds up. Hope your reinstall went as well. WideOpenSpaces

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 11 Nov 2017 at 10:31pm
	thank you coming back to update the thread
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold