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ASRock AB350M Pro4 - Freezing
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popara View Drop Down
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http://prntscr.com/keczx2
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popara View Drop Down
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Originally posted by qborki qborki wrote:

I was right! It IS overheating! Tried all different BIOS settings: overclocking, underclocking, disabling P-States, setting PSU Idle Control. Nothing worked. So I've placed the computer right under an air conditioner (which really is just a big and powerful 1250W cooler?Smile). And now I'm stable at 15С.

What could have possibly been overheating? It only ever happened on idle system at about 35С. Is there something wrong with onboard sensors?

I've seen other people having similar symptoms (~4 hours stable, than crashes with increasing frequency, resets overnight). Is this some hardware malfunction? Should I get a new motherboard?

upd: Will now try adding some regular fans. Don't like getting cold.



http://prntscr.com/keczx2
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_Mael_ View Drop Down
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New bios release today agesa 1004 chk it's apply to yor mobo
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Still have freezes with 2200G on new BIOS 4.90.
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aida64 cause freeze on windows 10 ver.1803 no Bios, no use this program and try again testing your pc
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Originally posted by _Mael_ _Mael_ wrote:

aida64 cause freeze on windows 10 ver.1803 no Bios, no use this program and try again testing your pc

no, I have freezes even on fresh installed Windows. I'm trying to return my mobo.
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I still have random freezes with 2400G on new BIOS 4.90.

More over, when freezes issue occurred,  I can't reboot or turn on the system normally.
I need to turn off PSU and wait about 3-5 minutes to turn on the system again.

Hope if any one can give some workaround solution here :(


 
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Kurt18 View Drop Down
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Are you able to leave the case open and point a room fan at the motherboard? Someone above found that having an air conditioner blowing on the PC fixed the problem.  He/she was going to try a regular fan. If a large fan fixes the problem, I'd say there are defective components.
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No, adding more regular fans didn't help. I tried different positioning: vrm, soc, southbridge. Nothing worked. Four hours uptime and the crashes begin. Not cold enough? I'm certainty not using air conditioner again! It's freezing!

Setting PCI Express / Link State Power Management / Setting: Off looked very promising. Unfortunately it didn't work either. Nor did it's Linux equivalent pcie_aspm.policy=performance or pcie_aspm=off kernel parameters. Tried it with different PSU Idle Control BIOS settings too.

Linux is more verbose in it's error reporting. I sometimes got:
	pcie bus error severity=corrected type=physical layer
This is PCIe protocol failure which could imply that something PCIe-related is malfunctioning. Ethernet, audio or USB controller? 

I believe something must have degraded over the first two weeks (just as my free return period ended!). Thermal pads maybe? Or some kind if thermal paste? Or something melted?

Anyway. I waited for BIOS 4.9, I tried various things, but it's been over three months already. I give up.
I replaced this board with Gigabyte B350 and it's working very well. Current uptime is 40 hours.

--
When told the guy at a computer store, that I needed a new motherboard, because my old one failed me, he actually laughed(!) at me for buying ASRock in the first place. Confused
Ryzen 5 2400G
AsRock AB350M Pro4
HyperX Predator 16Gb PC4-24000 (HX430C15PB3/16)
Samsung 960 EVO 500 Gb M.2
Aerocool SX-400 400W SFX

Arch Linux 4.18.0-rc6-mainline
Windows 10 Home Edition
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Kurt18 View Drop Down
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Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Kurt18 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug 2018 at 4:15am
I'm sorry to hear about your problems. I had a Gigabyte board for 9 years and it was still working as advertized when replaced by this board, just getting a little overwhelmed by modern O.S.s and software.  We also have an Asrock FM2 board which has been in service for several years with no issues which is why I bought this board.  I was looking at other B350 boards and found a Gigabyte model on NewEgg that was having boot and freezing issues though they didn't seem so plentiful as the AB350M PRO4. I wonder if there's something in the B350 chipset or the manufacturing processes that are marginal --  most work but too many don't. It'll be interesting to see how the B450 boards entering the market fare.  

There is a post somewhere above which mentions suspicion about the PCIe and/or USB buses.  I guess I'll keep my fingers crossed.
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