Soldato
I built mine today, I got some Corsair Expo 6400 and enabled the expo profile, seems solid so far.
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AMD Ryzen 7 9800X3D
- Thread starter Hostile_18
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Is anyone else having problems getting their 9800X3D to post? I cannot even reach the BIOS on a new Asus Tuf Gaming X670E with Corsair Vengeance 6000 CL30 EXPO RAM. It is in the compatibility list on the Asus website, but gives a DRAM error light immediately on powering on. Never gives a video signal through the GPU, tried also through the iGPU with the GPU unplugged.
I tried flashing the BIOS using quick flashback but that failed despite using a FAT32 formatted empty USB stick which used to work for BIOS updates on my former Gigabyte board. I have ordered a 4GB USB stick to try FAT16 which some people suggested. I had problems getting EXPO to run stably on the Gigabyte Aorus Elite X670-AX so I figured this Asus board would be better. I have just built a matching system with the same RAM and the Asus TUF Gaming B650E Plus motherboard and my old 7800X3D for a friend which booted up fine out of the box without any new BIOS updates. That worked with EXPO straight away.
Does anyone have any constructive suggestions? I am planning to try swapping for my friends identical RAM sticks to test if my sticks are faulty if the BIOS flash still won't work on the new USB stick. Thanks in advance
I tried flashing the BIOS using quick flashback but that failed despite using a FAT32 formatted empty USB stick which used to work for BIOS updates on my former Gigabyte board. I have ordered a 4GB USB stick to try FAT16 which some people suggested. I had problems getting EXPO to run stably on the Gigabyte Aorus Elite X670-AX so I figured this Asus board would be better. I have just built a matching system with the same RAM and the Asus TUF Gaming B650E Plus motherboard and my old 7800X3D for a friend which booted up fine out of the box without any new BIOS updates. That worked with EXPO straight away.
Does anyone have any constructive suggestions? I am planning to try swapping for my friends identical RAM sticks to test if my sticks are faulty if the BIOS flash still won't work on the new USB stick. Thanks in advance
Did you try a CMOS/BIOS reset to see if it would then post with those sticks?
I also had issues getting my system to boot. Apologies if this is against the rules but this is what worked for me (posted to the ROG forums):
Re: x670e-e gaming wifi 9800x3d issues
That's what I would've thought too but the system would stay on the orange light for about 2 minutes before shutting itself off. Flashed to a 2 month old BIOS (3024 for X670E-I), which posted fine. Kept moving to a newer and newer BIOS and eventually the latest (3057) also posted fine. Can't...
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Already tried CMOS clear and BIOS Flashback but neither worked. Also tried 1 stick in various slots and the other stick instead
How long have you left it? The system could be doing memory training which can take a bit of time.
Looking at that forum above people have gone back 2 bios versions and this has worked.
Edit, what bios did you try going back too? Seems like F31 onwards started support for the 9000 CPUs
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Ok thanks, I will try starting with an older BIOS first. My board was made in February 2024 so hopefully I shouldn't have to start too far backI also had issues getting my system to boot. Apologies if this is against the rules but this is what worked for me (posted to the ROG forums):
Re: x670e-e gaming wifi 9800x3d issues
That's what I would've thought too but the system would stay on the orange light for about 2 minutes before shutting itself off. Flashed to a 2 month old BIOS (3024 for X670E-I), which posted fine. Kept moving to a newer and newer BIOS and eventually the latest (3057) also posted fine. Can't...rog-forum.asus.com
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I left it 30 minutes, but the system kept shutting down and staying off
What bios did you try and go back too? Seems like F31 was the first bios to support the 9000 CPUs
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I only tried 3057, the latest BIOS on the Asus site. I figured anything older would not be 9800X3D compatible
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Yeah, jesus first 3 or 4 boots mine took around 2 minutes, it was awful... if it wasn't for the debug LED telling me all was good I would have been panicking.
now it's down to around 15-20 seconds (x870 tomahawk)
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My first Ryzen CPU (which was the very first ryzen CU) had similar issues, turned out the ram wasn't compatible at all. took me 3 different kits before it would boot at all. I assume things are vastly more improved since those days, but Ryzen has always had a reputation as being sensitive to certain ram. I will only buy kits on the QVL now.
not saying that's what your issue is, but it was for me years ago...
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@IceWolf swapping known working RAM would be a good first step, if that doesn't get you an answer, would they let you try your CPU in their board, or their CPU in your board/RAM?
If not (and assuming you still can't get to BIOS- if you can then I'd try RAM at JDEC specs ( ~4800MHz?))
Basically the best you can do it isolate it to one component which is obviously not working, if all compenets work in one build or another then it's gonna be harder to prove an issue and you may have a bit of a fight on your hands (or at least having to chop and change until you get a combo that works for you!)
That said, are you relying on an old Windows install, or a common SSD between these?- That could be an issue, but less likely (especially if not posting!)
If not (and assuming you still can't get to BIOS- if you can then I'd try RAM at JDEC specs ( ~4800MHz?))
Basically the best you can do it isolate it to one component which is obviously not working, if all compenets work in one build or another then it's gonna be harder to prove an issue and you may have a bit of a fight on your hands (or at least having to chop and change until you get a combo that works for you!)
That said, are you relying on an old Windows install, or a common SSD between these?- That could be an issue, but less likely (especially if not posting!)
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Reseating fixed it, important to use the included torque screwdriver that's turn style whatever you call it for this cooler since there's not enough room to fit a normal screwdriver in the center (reused D14 from 2012 build, thought I lost the screwdriver it came with). Temps top out at 74C in OCCT, 86C in prime95, 33C idle using stock settings for now. Still gets quite hot in cinebench though, up to 90C, but no longer smell burning nor 95-97C as it was even in prime95 before. Also used the 5 dot method, funny the instructions that shipped with my free bracket upgrade showed to only do that for AM4 and to use a single blob for AM5.
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So the friend's CPU is my old 7800X3D which used to work fairly well with my RAM (exactly the same model as his Corsair Vengeance kit), except on my Gigabyte board it would not let me restart on EXPO without needing a CMOS clear. This is a known unresolved problem on the Aorus Elite AX since the overvoltage safety BIOS update last year. I have tried every BIOS since on the board and still cannot resolve the problem, even with manual memory and SOC voltages. Shut down and then a fresh start worked fine. So I guess the RAM "could" be at fault, although I ran Memtest64 several times on my old CPU/board which found no problems and avoiding restarting allowed me to play hours of games at max settings without instability.
This is why I tried the new board from Asus as I heard people were still having trouble with both MSI and Gigabyte boards. And ASRock had so many BIOS problems previously (although I know they seem much better this generation). And the friend has a brand new TUF Gaming B650E Plus whereas I have the TUF Gaming X670E Plus. So when his worked fine and mine wouldn't I thought the most likely problem was that the 9800X3D was newer than the BIOS, hence being frustrated when the BIOS Flashback wouldn't work. I really don't want to have to reseat the CPU (I used Kryosheet and was very careful to install it perfectly) so I will try his RAM if the stepwise BIOS update doesn't work. For now the issue is reaching the BIOS, getting EXPO to work at full speed will come later.
I will try again when I am back home in a couple of days and let you guys know how things worked out. Thanks for all the replies
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I have a Corsair Vengeance kit 6000 CL30 I hope it works okay with the MSI x870 Tomohawk.
I've got the same kit with a X670E Steel Legend...
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if at idle any of these cpus are running at more than 50c then its not idling(background stuff) or you have a bad mount job. mine is currently idling at 32c and in game highest temp ive seen with -30 CO is 62c. even cinebench r23 max ive seen is 75c with a noctua u12a with offset mount kit for reference
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It's on the QVL list.