ASUS ROG X570 Crosshair VIII overclocking & discussion thread - Page 83 - Overclock.net - An Overclocking Community

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ASUS ROG X570 Crosshair VIII overclocking & discussion thread

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post #821 of 952 (permalink) Old 09-10-2019, 12:28 PM
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Quote: Originally Posted by centvalny View Post
C8I and B-Die 1:1 test
with Maxmem size? Or without it?

btw, big thanks to The Stilt, u are true AMD fan

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post #822 of 952 (permalink) Old 09-10-2019, 12:39 PM
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Quote: Originally Posted by LtMatt View Post
I have not tried it since, but my first attempt i didn't rename anything and it didn't work. Hopefully someone else with the Wifi version can validate it works.
I can confirm it works fine LtMatt with my Wifi Hero. I'm sorry you are having issues. This is what I do. Format a thumb drive Fat32. Use Biosrenamer to rename the BIOS file C8HW. Copy file to root of the thumb drive. Turn off PC. Plug in to back USB port marked BIOS Flashback. Push the top left button and hold for a second until it starts flashing. Let it do its thing for about 2 minutes. Unplug, boot and enter BIOS settings and done.
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post #823 of 952 (permalink) Old 09-10-2019, 03:04 PM
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Quote: Originally Posted by The Stilt View Post
Here are modified bioses for Crosshair VIII boards, which include the new SMU 46.49.0 release that improves boost behavior / margin on 3000-series CPUs.

Do note that these are totally untested, rebuilt bioses. Despite I fully expect them to work, there is no guarantee what so ever that they actually do.

Also since the bioses have been rebuilt, their original signatures allowing them to be flashed using official software (e.g. EzFlash) tools are invalid. Because of that, they can be only flashed in using the Flashback feature.

In case they do not work or introduce some kind of an issue, you can revert to original bios by using Flashback function.

Also note that these bioses ARE NOT based AGESA 1.0.0.3ABBA code revision, as the whole code base has not been upgraded (only the SMU firmwares).
Therefore the behavior might not be identical to true 1.0.0.3ABBA bios builds.

Naming: Official bios build, M = Modification, FI = 4649 (ASCII)

Crosshair VIII Formula 0803M-FI

Crosshair VIII Hero 0803M-FI

Crosshair VIII Hero Wi-Fi 0803M-FI



Please let me know if they work or not, so that I can take them down if they're not working.

Working so far on crosshair 8 wifi and 3800x. Boosts seem to be more consistent and stays above 4400-4475 most of the time but can boost to 4550 and seeing 4500 more often instead of just a second on idle. On previous 0803 bios it would be 4300-4375 with the odd time hitting 4400-4425 but mostly 4300-4375. Just did one run of cb20 and multi core seems to have dropped for me but single core went up. Only thing not working for me seems to be the mouse in the bios but easy enough to navigate with the keyboard. Will do more testing but so far so good and thanks for your work.

AMDR6
(9 items)
CPU
Ryzen 3800X
Motherboard
Asus Crosshair VIII Hero Wifi
GPU
Asus 1080ti Strix
RAM
G Skill F4-3200C14D-32GTZR
Hard Drive
Samsung 960 Evo Nvme
Power Supply
Corsair White RM850x 2018 Edition
Cooling
Corsair H115i Pro
Case
Fractal Define R6 USB-C Tempered Glass
Operating System
Windows 10 Pro 1903
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post #824 of 952 (permalink) Old 09-10-2019, 10:43 PM
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Quote: Originally Posted by dlbsyst View Post
I can confirm it works fine LtMatt with my Wifi Hero. I'm sorry you are having issues. This is what I do. Format a thumb drive Fat32. Use Biosrenamer to rename the BIOS file C8HW. Copy file to root of the thumb drive. Turn off PC. Plug in to back USB port marked BIOS Flashback. Push the top left button and hold for a second until it starts flashing. Let it do its thing for about 2 minutes. Unplug, boot and enter BIOS settings and done.
Thanks mate, i will give it another go and copy your exact steps.
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post #825 of 952 (permalink) Old 09-10-2019, 11:10 PM
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Quote: Originally Posted by dlbsyst View Post
I can confirm it works fine LtMatt with my Wifi Hero. I'm sorry you are having issues. This is what I do. Format a thumb drive Fat32. Use Biosrenamer to rename the BIOS file C8HW. Copy file to root of the thumb drive. Turn off PC. Plug in to back USB port marked BIOS Flashback. Push the top left button and hold for a second until it starts flashing. Let it do its thing for about 2 minutes. Unplug, boot and enter BIOS settings and done.
Quote: Originally Posted by LtMatt View Post
Thanks mate, i will give it another go and copy your exact steps.
Unfortunately this does not work for me, i am not sure why as I've never had issues using Flashback before.

I'll have to wait for the official Asus BIOS.
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post #826 of 952 (permalink) Old 09-11-2019, 01:28 AM
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Quote: Originally Posted by LtMatt View Post
Thanks mate, i will give it another go and copy your exact steps.
i have a method for you , 100% working and i using it
Step 1: Put your usb to flashback port
Step 2: Download Rufus https://rufus.ie/
Step 3: Select USB and config like image att
Step 3.5: Copy C8F.rom or C8H c8HW c8I.... to usb
Step 4: Shutdown pc, press clean cmos button
Step 5: Hold biosflashback button for 3 blink time, after few second you will see that light blink faster , wait until it off.
Step 6: Turn on pc
Attached Thumbnails
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3900X +XSPC raystorm nero + EK PE 480 + XSPC 480 WHITE + XSPC D5 + Enthoo Primo
CRosshair VIII formula + Corsair [email protected] 3600c14 +
2080TI +HEATKILLER IV 380W + DELL UP316Q + Onkyo SE-U55sX + FSP 1KW
sm961 1tb + Intel 600P 1TB +Crucial MX300 750GB + WD BLACK 2TB

Last edited by knightriot; 09-11-2019 at 01:32 AM.
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post #827 of 952 (permalink) Old 09-11-2019, 04:22 AM
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Quote: Originally Posted by knightriot View Post
i have a method for you , 100% working and i using it
Step 1: Put your usb to flashback port
Step 2: Download Rufus https://rufus.ie/
Step 3: Select USB and config like image att
Step 3.5: Copy C8F.rom or C8H c8HW c8I.... to usb
Step 4: Shutdown pc, press clean cmos button
Step 5: Hold biosflashback button for 3 blink time, after few second you will see that light blink faster , wait until it off.
Step 6: Turn on pc
Thank you that man, this actually worked!

I will assume that Rufus was the missing ingredient.

I am now seeing my 3700X boosting two cores up to 4.4Ghz, which is approximately 25-50Mhz higher than before.

Last edited by LtMatt; 09-11-2019 at 04:27 AM.
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post #828 of 952 (permalink) Old 09-11-2019, 06:05 AM
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Quote: Originally Posted by LtMatt View Post
Unfortunately this does not work for me, i am not sure why as I've never had issues using Flashback before.

I'll have to wait for the official Asus BIOS.
Well, I'm not sure why my method didn't work out for you.

It does look like knightriot got you all set up though.
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post #829 of 952 (permalink) Old 09-11-2019, 08:05 AM
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Quote: Originally Posted by LtMatt View Post
Thank you that man, this actually worked!

I will assume that Rufus was the missing ingredient.

I am now seeing my 3700X boosting two cores up to 4.4Ghz, which is approximately 25-50Mhz higher than before.
Quote: Originally Posted by dlbsyst View Post
Well, I'm not sure why my method didn't work out for you.

It does look like knightriot got you all set up though.
If your windows in UEFI, your usb will be fat32+ GPT , asus biosflashback function need fat32 + MBR

3900X +XSPC raystorm nero + EK PE 480 + XSPC 480 WHITE + XSPC D5 + Enthoo Primo
CRosshair VIII formula + Corsair [email protected] 3600c14 +
2080TI +HEATKILLER IV 380W + DELL UP316Q + Onkyo SE-U55sX + FSP 1KW
sm961 1tb + Intel 600P 1TB +Crucial MX300 750GB + WD BLACK 2TB
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post #830 of 952 (permalink) Old 09-11-2019, 09:36 AM
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Quote: Originally Posted by knightriot View Post
If your windows in UEFI, your usb will be fat32+ GPT , asus biosflashback function need fat32 + MBR
That would explain it then.
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