370x only supports up to 3800x -NO 3900x support

purecain · Jul 13, 2019

I should of checked the bios support page before choosing the CPU, I just took it for granted that a high end cpu would work on a high end class of motherboard.

Ive had one of those days, where you feel like a non paid beta tester. wasn't much fun and I dont recommend it. try using a crosshair VII version. the crosshair VI wont work with any of the last few bios using the 3900x.

Id like to think I had the screws on the cooler too tight or something else which effected compatibility but I'm afraid everything was set up correctly.

I almost couldn't get the 2700x working again, turns out too much pressure on the board from the HSF gives you memory problems, namely the d9 error... I had a fun hour working that out. everything is back working again now.... I really dont want to have to buy another motherboard. not at their current prices. I dont think i'll have much choice though... hopefully amd lowers the price of their boards...

Metroid · Jul 13, 2019

I dont think that is a chipset blockware, garboware or anything related to that, many reviews tested a 3900x on b350 and it worked without any problems. Why a x370 would not work with a 3900x? only thing i think of is asus blocking it.

Remind me to never buy an asus motherboard. I see no reason why asus would do such bs other than greedy.

HTC · Jul 13, 2019

Strange: according to this, it should work even with the 3950X.

Metroid · Jul 13, 2019

HTC said:
Strange: according to this, it should work even with the 3950X.

It does hardware wise, asus want the people with more money than sense to keep buying their high end motherbords, cpu support page says, it does not.

｜｜ASUS USA

www.asus.com

purecain said:
I should of checked the bios support page before choosing the CPU, I just took it for granted that a high end cpu would work on a high end class of motherboard.

Your only hope is ask or pay somebody to mod a bios for you in order to support it or complain to asus about it or hope they will release a bios next time to support it.

Gigabyte even gave support for the 3900x to work on the 320 ehhe and some people tried and it worked without any problems and why it would not work? just check vrm temperature and should be fine, 142 / 12 = 12a, 142/1.4 = 100a, any midrange board will give you that.

purecain · Jul 13, 2019

@HTC it sickened me when the 3900x didnt post... I really felt let down by asus when I found they had supported every chip but the 3900x.
Im not happy with buying another motherboard with a dodgy bios, so I can be a free beta tester for amd for the next several yrs....
@Metroid I know what you mean, lets see if asus decides to add support. it will cost me £600 for the replacement. thats if I buy the best in class...

its been a bad day thats for certain.

Kursah · Jul 13, 2019

purecain said:
I should of checked the bios support page before choosing the CPU, I just took it for granted that a high end cpu would work on a high end class of motherboard.

Ive had one of those days, where you feel like a non paid beta tester. wasn't much fun and I dont recommend it. try using a crosshair VII version. the crosshair VI wont work with any of the last few bios using the 3900x.

Id like to think I had the screws on the cooler too tight or something else which effected compatibility but I'm afraid everything was set up correctly.

I almost couldn't get the 2700x working again, turns out too much pressure on the board from the HSF gives you memory problems, namely the d9 error... I had a fun hour working that out. everything is back working again now.... I really dont want to have to buy another motherboard. not at their current prices. I dont think i'll have much choice though... hopefully amd lowers the price of their boards...

My X370 lists the 3900X w/4801 BIOS. I have to imagine if my Strix X370-F Gaming has it...your ROG C6H will, frankly its crazy that Asus didn't release it before my lower end board IMHO. Even though the 3900X is listed, I'd like to test it out. No budget for that ATM tho.

｜｜ASUS USA

www.asus.com

Sorry you don't have support now, I'd say wait and/or contact Asus and see if you can get a statement. Probably will be a dead end and as suggested prior, a bios MOD might be the key. Or just giving it a little more time, I have read that due to smaller 16MB BIOS ROM's some mfg's have to rework and simplify the UI to make room for the compatibility list or something along those lines...was in the TPU news the other day. Maybe that's the hold up here?

I have to imagine C6H users are frustrated by this. Though maybe many are going for the 3700/3800X? That's probably what I'll end up doing in the future at some point.

:toast:

Frick · Jul 13, 2019

Yeah, Seeing as how some A320 boards support it it has to be an Asus specific thing.

the54thvoid · Jul 13, 2019

I have the CH6 board and have yet to upgrade but the first thing I did was check the CPU support. It's a mandatory thing. I've read, however, that other B350 boards that don't list support actually do work, so this might be a one off. Could even be a dud CPU or a one in a million bad install. Reaching out to Asus, as suggested would be wise.

silkstone · Jul 13, 2019

My cheap-ass 370x board supports the 3900X no problem: https://www.gigabyte.com/us/Motherboard/GA-AX370M-DS3H-rev-1x/support#support-cpu

Try playing with the DDR voltage: https://www.reddit.com/r/Amd/comments/casgge

purecain · Jul 13, 2019

ive read of some people having success, I'm going to try and install it again now. I'll set the bios to use 3200mhz mem and see if it boots. the latest bios is a bust. stops the CPU fan from spinning. wish me luck here's the video from last night...
:toast:

Wyverex · Jul 13, 2019

purecain said:
wish me luck

Good luck, bro!

HD64G · Jul 13, 2019

They will fix it for sure. They will get huge rage on the web if their best tier motherboard 2 years before cannot work with a 105TDP CPU while A320 from other brands do that properly. Post in the forums of ASUS about that and wait a week or so.

Vorado · Jul 13, 2019

It has to work it works on asus x370 prime pro

purecain · Jul 13, 2019

damn!!! exactly the same.... 07 q-code and nothing else...

just quickly reinstalled the 2700x and input all of my bios and memory settings... meh!!!!

should I buy a 570x motherboard and let someone on tpu have this motherboard and cpu for cheap... if I do upgrade I'll sell the board and cpu here...

@Vorado I wonder whats holding me back... :toast:

HTC · Jul 13, 2019

purecain said:
@HTC it sickened me when the 3900x didnt post... I really felt let down by asus when I found they had supported every chip but the 3900x.
Im not happy with buying another motherboard with a dodgy bios, so I can be a free beta tester for amd for the next several yrs....

When even an A320 board runs this CPU but a supposed high end X370 doesn't ...

Ouch ... ASUS really seems to be trying to screw customers over ...

TheoneandonlyMrK · Jul 13, 2019

purecain said:
damn!!! exactly the same.... 07 q-code and nothing else...

just quickly reinstalled the 2700x and input all of my bios and memory settings... meh!!!!

should I buy a 570x motherboard and let someone on tpu have this motherboard and cpu for cheap... if I do upgrade I'll sell the board and cpu here...View attachment 126754
@Vorado I wonder whats holding me back...

You did try booting with here(kin phones jedec) standard memory speeds didn't you?.2133.
Sounds like a fairly typical memory issue more then board to me?

Vorado · Jul 13, 2019

Did u tried clear cmos then put the 3900x ?? Also 1st boot try with 1 ram stick

purecain · Jul 13, 2019

did you see the video. I do all of those tests in the 2m video... it made no difference unfortunately. I only retried it because I thought setting the ram speeds lower would help.
I was gutted when I got the exact same result again this morning.
im considering being silly and buying the formula.
its one of the only decent boards I can actually get this week. amazon has a delivery wait of 8days for the hero...what to do??? can I justify spending £300 with an extra £300 on a back plate and non functional ek block...… I saved this money for a phone. I really want someone to find a way of running 3900x on the crosshair vi hero.... it looks like im going to have to play the waiting game... moneys easily spent and takes a long time to save...
:toast:

spectatorx · Jul 13, 2019

As that was already suggested i would contact asus's support to ask for bios update. This board has no reason to not support ryzen 3xxx series and if it doesn't support it yet it is only because of lack of support of it on bios side.

A bit off-topic, kinda but... when i contacted asrock on something what requires change in bios they modded bios just for me and sent it to me on next business day. If asus is as high-end company as prices of their products then they should be better than asrock and provide you what you need and you need bios with support for your new cpu.

Metroid · Jul 14, 2019

Gigabyte seems to be the most friendly motherboard manufacturer to date.

Purecain, you still have hope, this might be just a bios bug, wait for the next release.

Bill_Bright · Jul 14, 2019

purecain said:
I should of checked the bios support page before choosing the CPU, I just took it for granted that a high end cpu would work on a high end class of motherboard.

Yeah, of course hind-sight is (or sure should be) 20/20. Hopefully ASUS will soon release an official BIOS update adding support for it. I normally assume unlisted RAM with the same specs as listed RAM will work, but just can't do that with CPUs.

If you purchased the board and 3900x at the same time from the same retailer, you might be able to sweet talk them into returning one or the other if you humblely confess the error was your and you promise to buy a compatible replacement from them. Worth a try, IMO. The worse that can happen is they say no, and you buy from somewhere else from now on. I think trying this rather than trying to get that combination to work and risk damaging either the board or CPU is the better course of action.

purecain said:
turns out too much pressure on the board from the HSF gives you memory problems, namely the d9 error...

I would suspect uneven pressure rather than too much pressure. Uneven can cause the board to twist in the surrounding area and that might create a microfracture in a tracerun or connection somewhere.

Metroid said:
Gigabyte seems to be the most friendly motherboard manufacturer to date.

They've been my preferred maker for years simply because of the way they have treated me when I had problems. They even RMD'd a 4-year old board that had leaky caps - a full year after the 3-year warranty ran out. Can't argue with that.

Vya Domus · Jul 14, 2019

The 3900X wasn't listed for my board as well initially but showed up later. I would wait a little bit longer.

EarthDog · Jul 14, 2019

Stop inputting any memory anything. Load optimized defaults, save and reboot to bios. Shut down from bios install new cpu.

What's the bios chip size? Does it support any zen 2 cpus?

Also, that vrm list earlier was just that... a vrm list. The chips weren't tested on the boards. They just used information on the web to determine if the boards were capable by their hardware and cooling.

Here is official support...

MrPerforations · Jul 14, 2019

do you have a raid system in there?
the Msi™ bios for my x370 states that raid is not available on the new bios, please wait.
if not , maybe it effects other types of drive at the moment.

spectatorx · Jul 15, 2019

MrPerforations said:
do you have a raid system in there?
the Msi™ bios for my x370 states that raid is not available on the new bios, please wait.
if not , maybe it effects other types of drive at the moment.

That's totally different case. Missing raid is msi only thing. In this particular case asus haven't released yet bios update adding compatibility with new cpus for that specific motherboard.

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370x only supports up to 3800x -NO 3900x support

purecain

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