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X370 Professional Gaming Debug Code F9
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midgard00 View Drop Down
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    Posted: 30 Mar 2017 at 12:35am
Hello,

I have a 1700X running on the X370 Professional Gaming. Sometimes when I start or restart the System, before I am able to get into the BIOS the debug LED will stop at F9. The system shuts down and restarts after 1-2 seconds. This repeats 3-6 times, then the system starts normally but all by BIOS settings are gone.
This sometimes happens when I cold start the PC, sometimes when I restart it after several hours of gaming and sometimes when restarting after a failed OC attempt.
It does not seem to matter if the CPU is currently OCed or running at stock, same goes for RAM.

I have installed every new BIOS since launch including V1.93D and it has so far happened with every version.


System:
1700X
X370 Professional Gaming
Corsair Vengeance LPX 3000 2x8GB
RX 480 8G
be Quiet! Dark Power Pro 11 850W


Thanks for any help or tips!
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wardog View Drop Down
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This is most likely being caused by the system RAM tripping Boot Failure Guard.

Now, before I typed "Boot Failure Guard'(BFG) out above I spoke with an ASRock employee that, BOIS issues not being his thing, we both agree BFG tripping.

You have something, a setting or component(memory likely) that is causing instability at/during POST that BFG is remedying so that you don't need to manually reach in and reset your BIOS.


Since Corsair hasn't seen fit to list ANY MANUFACTURERS X370 MBs, let alone anyone's Z270 MBs either, all I can instruct you to do is contact Corsair yourself and inquire if the Kit you have is compatible with the X370 Pro Gaming you have.


Way WAY behind the curve is Corsairs Memory Finder.
http://www.corsair.com/en-us/memory-finder
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midgard00 View Drop Down
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Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote midgard00 Quote  Post ReplyReply Direct Link To This Post Posted: 30 Mar 2017 at 3:50am
Thank you very much for that information.
I can in fakt reproduce this behaviour if I set the RAM to too high frequencies.

With the RAM stable in Windows (according to Memtest), this sounds to me like there would e.g. be a small DRAM Voltage drop at POST causing this instability. I have heard that on the ASUS Crosshair you can set a DRAM Boot-Voltage, which could in my understanding help here.

Do you know if there is any plan to add such a setting to the BIOS?
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antonio70 View Drop Down
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Bump up. DRAM Boot-Voltage could help. I have same issues with error code F9. Are there any plans to implement this settings to BIOS since 29march?
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cx5 View Drop Down
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did not help for me, all the way up to 1.4V not solving F9 cold boot. Just started 4 days ago.
x370taichi@3.50gen4
AX750 Optane900P SN770
3800x PosdonZro4 BarrowPWM-17w>420x140x28
XFX SWFT319 6900XT
MSI RX560 LP to get Fluid Motion BlueskyFRC 75hz
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MisterJ View Drop Down
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Someone needs to open an ASRock ticket and get this defined:
F9 - Recovery capsule is not found

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
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SprHr0 View Drop Down
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this started for me yesterday. i had the computer on sleep.. somone in the house woke it but i didnt put it back down.. anyways it shut itself off which was strange. I had to reset the bios, re install the ram  to get it to boot up.  my ram is 

G.SKILL Ripjaws V Series 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3466 (PC4 27700) Intel Z170 Platform Desktop Memory Model F4-3466C16D-16GVK

which will do 3466 but only in single channel when i cant go past 2666 in dual.
my processor is 1600x and my video card is gigabyte 1070 windforce oc dual fan.
when the system does boot after 2 or 3 retries the ram and bios are all as i left it.. hadnt had this problem until recently
Ideas?
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SprHr0 View Drop Down
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my board is the x370 gaming X
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kerberos_20 View Drop Down
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try to toy with resistances, it should help
rtt/cad bus/proc odt
in my case with auto values 2933 max, anything above triggers f9 cold boot
with manual settings i can go as high as 3333mhz (which is not stable in memtest/windows) but no f9 trigerred

userbenchmark
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SprHr0 View Drop Down
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i just booted up from a shutdown and no issues with the f9
i didnt do anything to the bios since last time
asrock X370 gaming X
G.SKILL Ripjaws V Series 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3466 (PC4 27700) Model F4-3466C16D-16GVK
gigabyte windforce x2 1070gtx
ryzen 1600x
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