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Fatal1ty x399 won't post with 128GB RAM
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threadrippera View Drop Down
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Points: 14 		Post Options Post Options   Thanks (0) Thanks(0)   Quote threadrippera Quote  Post ReplyReply Direct Link To This Post Posted: 04 Oct 2017 at 9:41pm
I just sent a support ticket to AS ROCK that said: Hi, I am trying to use 8 (16gb) memory sticks on my x399 fatal1ty motherboard and it will not POST at all. My computer will not go into the BIOS at all with the 8 sticks of memory. All of the memory works fine and all of the memory slots work fine. The computer will post with 1-7 ram sticks inserted in any position, but with 8 ram sticks it will not POST or go into the BIOS at all. Please fix this with a BIOS update. Thank you
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threadrippera View Drop Down
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I have a question for you smart people on here. So I am using 4 out of 8 ram sticks right now and have 64gb of ram. Should I return my other 4 ram sticks and get a $500 refund or should I keep the 4 extra and wait for a BIOS update? Will they eventually fix this with a BIOS update???
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datonyb View Drop Down
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Originally posted by threadrippera threadrippera wrote:

I have a question for you smart people on here. So I am using 4 out of 8 ram sticks right now and have 64gb of ram. Should I return my other 4 ram sticks and get a $500 refund or should I keep the 4 extra and wait for a BIOS update? Will they eventually fix this with a BIOS update???


i am quite sure it will get fixed
when is another question

remember we have one guy who has got his working with 2133 flarex ram,there is a gigabyte user that got his working with dominator platinum ram

so its not a fixed hardware fault,its a buggy immature bios issue

now as to whether you should return your ram /

how the devil can we answer that question LOL
only you know if you actually require 128gb ram or if 64gb in quad channel will smash your expected computing tasks out or not
[url=https://valid.x86.fr/jpg250][/url]

3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold
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threadrippera View Drop Down
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I will keep the ram I guess. I got a pretty good deal on it. 64GB is more then enough for me and I am pretty happy I even got 64GB working, but id love to have 128gb just for the heck of it. I am not a gamer and do not overclock. I run virtual machines for my business. The other 4 sticks are just sitting in my desk waiting for a BIOS update. Come on AsRock and AMD!

Edited by threadrippera - 05 Oct 2017 at 2:08am
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datonyb View Drop Down
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i would expect similar to ryzen

that you can get the 4 sticks/quad channel ram to work at a faster speed than 8 sticks quad channel anyway

depending on the workload this may work better for some people
[url=https://valid.x86.fr/jpg250][/url]

3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold
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threadrippera View Drop Down
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Points: 14 		Post Options Post Options   Thanks (0) Thanks(0)   Quote threadrippera Quote  Post ReplyReply Direct Link To This Post Posted: 05 Oct 2017 at 3:16am
This seems to be a problem across multiple/all of the x399 motherboards. I am hoping AMD or ASROCK will fix this soon.
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LurkerLito View Drop Down
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This video is an excellent guide on overclocking memory on Ryzen chipsets from AMD.
https://www.youtube.com/watch?v=vZgpHTaQ10k

I am guessing it's not going to help the problem here because you can't even get into the bios with 8 sticks of ram installed at stock settings, but maybe it'll help others out.
AMD 1950x; ASRock X399 Fatal1ty V2.00; 64GB(4x16GB) G.Skill Trident Z DDR4 3200 CL14 (running 3066); EVGA 1080Ti SC2 Hybrid; Enermax TR4 360 AIO
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Benja View Drop Down
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Dear Benja,

Thanks for contacting ASRock.

 

We would like to share our test result with you. Testing on X399 Taichi with BIOS P1.50, CPU Threadripper 1950X.

We tested with two Corsair memory module, which are 128GB (16GB x8) and 8 DIMMs a kit.

Models:

1. CMR128GX4M8C3000C16 (16GB x8)

2. CMK128GX4M8Z2933C16 (16GB x8)

 

Both of them could work at DDR4-2933 (128GB) after setting XMP profile. We also ran Memtest for testing its stability.

And they passed for around 10 minutes in Memtest. Please see our test result as below.

Please refer to our test result in the attached file.

 

As a result, we would like to provide you some suggestions.

1. Make sure each DIMM slot work and each memory is functional.

2. If possible, we would recommend you to install the same memory module which is 8 DIMMs a kit.

    This could guarantee all module are compatible and have the same quality.

 

3. If possible, please change another CPU 1950X for testing because memory controller is built in CPU.

 

4. Re-flash BIOS P1.50 for trying. Make sure the system load BIOS default before updating.

     Link: http://asrock.pc.cdn.bitgravity.com/BIOS/TR4/X399%20Taichi(1.50)ROM.zip

 

    And update to latest BIOS P1.70 to try.

    Link: http://asrock.pc.cdn.bitgravity.com/BIOS/TR4/X399%20Professional%20Gaming(1.70)ROM.zip

    Note:
    *If update the BIOS and build a new RAID, it is necessary to install new driver V9.00.00.88
    *If RAID was built with old BIOS, it is necessary to back up the data and rebuild RAID with new BIOS and driver

 

 

Thank you!

Have a great day,
ASRock TSD


I've not a x399 Taichi board!!! OMG !!!!!!!

RAM tested by ASrock are not on QVL, this thread was open by 128noGB user that have
CMK128GX4M8B3000C16 8*16Gb kit in QVL!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Less RAM and more brain
16Gb*8 (8 DIMM NOT WORKING) ADATA XPG 2400 Mhz AX4U2400316G16-SRZ - Threadripper 1950x - ASRock Fatal1ty X399 Pro Gaming (8 DIMM NOT WORKING) BIOS 1.50 - Samsung 960 EVO 1Tb M2 NVMe
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threadrippera View Drop Down
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Everyone that is having this problem, please contact AS ROCK and AMD. If enough people complain about it, then they will fix it faster.
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Benja View Drop Down
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Finally my conf working.

I've bought 2 new kits (16Gb*4*2):

G.SKILL Flare X

DDR4 2133 Mhz - 15-15-15-36 1.2V

F4-2133C15Q-64GFX

https://www.amazon.it/gp/product/B06XHL3NWG/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

I follow indication on Taichi thread

http://forum.asrock.com/forum_posts.asp?TID=6211&PN=1&title=x399-taichi-wont-boot-up

Benja
16Gb*8 (8 DIMM NOT WORKING) ADATA XPG 2400 Mhz AX4U2400316G16-SRZ - Threadripper 1950x - ASRock Fatal1ty X399 Pro Gaming (8 DIMM NOT WORKING) BIOS 1.50 - Samsung 960 EVO 1Tb M2 NVMe
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