X370 Taichi random boot loop...

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   Did you run a bench to see if it is actually running at 2933?  I thought mine was too, but on userbench my RAM scores were in the dirt.  My results running at 2666 are much better.

Edited by longjohnsally - 21 May 2017 at 3:14pm

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longjohnsally Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 May 2017 Location: Chicago, IL Status: Offline Points: 3	Post Options Post Reply Quote longjohnsally Report Post Thanks(0) Quote Reply Topic: X370 Taichi random boot loop... Posted: 21 May 2017 at 6:36am
	Did you run a bench to see if it is actually running at 2933? I thought mine was too, but on userbench my RAM scores were in the dirt. My results running at 2666 are much better. Edited by longjohnsally - 21 May 2017 at 3:14pm

longjohnsally Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 May 2017 Location: Chicago, IL Status: Offline Points: 3	Post Options Post Reply Quote longjohnsally Report Post Thanks(0) Quote Reply Posted: 21 May 2017 at 6:34am
	I worked it out. I had two issues that after several hours of testing are consistently causing the reboots. 1. I hadn't yet installed the drivers from Asrocks's website. Specifically, the All-in-one driver immediately fixed the issue. It appears to affect how the UEFI sets the XMP settings for RAM. Before installing these drivers, no matter what I set the RAM would reset itself to the lowest speed setting and I would go into the 4x reboot loop (maybe some kind of safety feature?). So if you haven't done it yet...install this! 2. I tried the RAM (same Dominator RAM that you are using) at a number of settings. it seemed to work fine until I set it to anything faster than 2666 MHz. At that point it reengages the reboot loop and when windows does finally start, the RAM runs at the lowest speed. So for me...2933 and up is out of the picture for now with 2666 MHz being my top speed. Hopefully a future update to the BIOS will allow us to run our RAM at full speed.

Colt4587 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 May 2017 Status: Offline Points: 10	Post Options Post Reply Quote Colt4587 Report Post Thanks(0) Quote Reply Posted: 21 May 2017 at 6:10am
	So I know it has a safety feature, where if it fails to POST X4 it will revert to stock memory speed on the 5th try. But only that time, when it restarts next, it will repeat the process. Mine will start at 2933, and stay there eventuall What did ASRock support tell you?

longjohnsally Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 May 2017 Location: Chicago, IL Status: Offline Points: 3	Post Options Post Reply Quote longjohnsally Report Post Thanks(0) Quote Reply Posted: 21 May 2017 at 4:44am
	I'm having the exact same issue. Mine reboots 4x and then starts on the fifth and works flawlessly. I did notice that on userbench scores, that it says my RAM is running at 2134 MHz and is clocking in at 1067 MHz...no idea why. I've tried 2933 in the bios as well as auto and it doesn't seem to matter. I'm running the same memory as you. MOBO: X370 Taichi, bios v2.3 CPU: 1800x RAM: 32 GB (4x8) Corsair Dominator CMD16GX4M2B3000C15 PSU: EVGA G2 850 Watt GPU: an ancient ATI thing (new one coming soon) BOOT Drive: Samsung 960 Pro NVMe PCIe M.2 512GB

Colt4587 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 May 2017 Status: Offline Points: 10	Post Options Post Reply Quote Colt4587 Report Post Thanks(0) Quote Reply Posted: 19 May 2017 at 11:08pm
	I know the feeling! Logitech and Corsair have been pretty top notch to me. Corsair can be a little slow sometimes though.

twf85 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Mar 2017 Location: Tucson, AZ Status: Offline Points: 144	Post Options Post Reply Quote twf85 Report Post Thanks(0) Quote Reply Posted: 19 May 2017 at 10:33pm
	I know how you feel. I never needed a laptop until last year, and decided on one from ASUS, after having returned one from Acer. Once I was done adding parts to it, it cost me about $1500. To this day, the fans still behave strangely. In certain rooms, the fans kick on whenever the CPU breaches ~50°C, and temps drop down to the mid 30s. In other rooms, the fans won't kick on until the CPU reaches the mid 70s or 80s, and then the fans only really bring it down to about ~40-50°C. I contacted their support and got a very nothing answer, "Update to the latest BIOS or fill out an RMA". Took them like a week to respond, too. There I was, expecting some fantastic answer from "the best" manufacturers around, and I was left feeling much differently than I did. Another time I called ASUS support about a graphics card I purchased at a Best Buy, and the rep was combative, unhelpful, and seemed genuinely disinterested in talking to me. I was coming from a graphics card made by Sapphire that had "FLeX" technology that enabled 4 displays out of the same card, and when questioning the rep about why the ASUS card I had just purchased wasn't able to do the same thing, he assumed I had "hacked" the card I was referencing into making it work the way that it did. About the only customer service people I have ever had a good time talking with are the people at GoDaddy, Microsoft (Office365), and some of the people at Sprint. Everywhere else is a total crapshoot.


Colt4587 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 May 2017 Status: Offline Points: 10	Post Options Post Reply Quote Colt4587 Report Post Thanks(0) Quote Reply Posted: 19 May 2017 at 9:12pm
	Yeah, I'm not really afraid it's going to brick the board or anything. It's just annoying, especially because this board takes quite a bit longer than my previous ASrock Z77 board to turn on anyway. Then add the fact that it has to restart several times before turning on. I'll probably just deal with it, or like you said, turn down the memory a bit. It's a whole new architecture, so some hiccups are to be expected. I just wish the Asrock tech support was better. It would give me more confidence in waiting.

twf85 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Mar 2017 Location: Tucson, AZ Status: Offline Points: 144	Post Options Post Reply Quote twf85 Report Post Thanks(0) Quote Reply Posted: 19 May 2017 at 11:41am
	So while our systems are working eventually, it would appear that they're not working perfectly. I agree. I wouldn't return your board. If you're worried that it's going to brick the board, dial the memory back a bit until the next microcode is incorporated into your UEFI. Wash, rinse, repeat until everything runs the way you want it to. Your situation has be thinking maybe I should dial my memory back, just to stay on the safe side..


Colt4587 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 May 2017 Status: Offline Points: 10	Post Options Post Reply Quote Colt4587 Report Post Thanks(0) Quote Reply Posted: 19 May 2017 at 8:02am
	TF85 It basically kicks the fans on, then turns off, then kicks the fan's on, and then turns them off. The debug LED stops at "F9." Doesn't happen everytime, can happen as little as once, and as many as 5 times. I've been trying to work with Asrock support via email, but it's kind of been a joke :(. They're advice is to take the MOBO back. But I have a feeling a new MOBO isn't going to fix it. ...

twf85 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Mar 2017 Location: Tucson, AZ Status: Offline Points: 144	Post Options Post Reply Quote twf85 Report Post Thanks(0) Quote Reply Posted: 19 May 2017 at 5:01am
	At what point in the booting process does it reboot during these loops? Are you able to see anything onscreen? I've noticed what I believe to be the same issue on my X370 FPG (basically the same chipset). I'm not sure if it has always been there and I just wasn't paying attention, but it sounds like it's trying to start up, and then the fans quiet down, and then it ramps up again and starts as expected. So I can't be sure, but I believe it is failing once, as you have described you are occasionally experiencing. I don't have any tips for addressing it, because if I am correct and it is failing, it's only failing once.. So I'm not that worried about it (yet).