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Fatal1ty x399 won't post with 128GB RAM |
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128noGB ![]() Newbie ![]() Joined: 29 Sep 2017 Status: Offline Points: 33 |
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Thanks for the response! I'll try and respond to every point: ----> If indeed it is a 128GB Kit, check that ALL serial numbers are consecutive. Just took them all out, yes all sticks are numbered in perfect order. Also they say this on the RAM: CMK128GX4M8B3000C16 DDR4 128GB(8x16GB) 3000Mhz 16-18-18-36 1.35v ver 5.39 ----> Is this occurring before or after you set XMP? I can't get into the BIOS to set XMP with 8 sticks. Instead, I can 1 to 7 sticks, enter the BIOS, change settings, save and exit and power off, then plug in the 8th stick, then power on. I'm performing this exactly as I type it: -- Remove all RAM sticks -- Populate A2 B2 with 1 stick each -- Power on and enter BIOS -- F9 and reset bios to default. Reboot. Enter into bios -- Change XMP profile to XMP 2.0 Profile 1 -- Save and exit -- Populate all 8 RAM sticks, reboot -- System will not boot/POST, hangs on: Dr. Error C0 before rebooting ---> You don't say what GPU it is you have. One in particular drew(before a vBIOS update) an inordinate and out of spec power draw from the PCIe bus. EVGA Geforce 1060 SC. It has a 6 pin connector. I've also tried with a secondary GTX970. Both are the same. I also tried plugging in the PCIe power into the motherboard. All 4 power are filled. SIDE NOTE: This motherboard has a completely exposed PCIi power connector wiring right next to the motherboard reset/power on switches. A finger needs to simply be off by less 1 inch before some serious hard to the end-user could occur. Unlike the entirety of the rest of the mobo, this one has completely exposed power receptacles. --> Pull all the power connections and look at the mating M and F parts Done and no change. It should be noted that this is my SECOND motherboard (returned the prior x399 Fatal1ty per Asrock recommendation) as well as my SECOND PSU (other was brand new as well). New PSU was purchased on the side chance the CPU 2+2/4+4 power wasn't correct. It almost looks as if the bios says this: "Hmm, 8 sticks of RAM? No post. I don't care what settings just don't POST". |
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MisterJ ![]() Senior Member ![]() Joined: 19 Apr 2017 Status: Offline Points: 1097 |
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128noGB, I think until AMD/ASRock release up to date AGESA/BIOS code, memory will be a real problem in TR. I am waiting on this memory: https://www.gskill.com/en/press/view/g-skill-announces-new-ddr4-specifications-for-amd-ryzen%E2%84%A2-threadripper%E2%84%A2-processors I can't say for sure but I suspect it has been tested under an NDA and G.Skill is waiting for updated BIOS/AGESA to be available before making the memory available. Please answer the question(s) about what your BIOS is reporting about your memory. You can also take a screenshot in the BIOS using F12, have a FAT formatted USB stick plugged into your system. Enjoy, John. EDIT: I assume you are aware that only W10 RS2 and above are officially supported. Edited by MisterJ - 30 Sep 2017 at 2:18am |
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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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wardog ![]() Moderator Group ![]() Joined: 15 Jul 2015 Status: Offline Points: 6447 |
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wardog ![]() Moderator Group ![]() Joined: 15 Jul 2015 Status: Offline Points: 6447 |
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wardog ![]() Moderator Group ![]() Joined: 15 Jul 2015 Status: Offline Points: 6447 |
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re: CMK128GX4M8B3000C16
I must ask. Is this a 128GB(16GBx8) Kit, or two 64GB(16GBx4) Kits? If indeed it is a 128GB Kit, check that ALL serial numbers are consecutive. The rest here assumes all 8 sticks are consecutively numbered ! If not post back, then contact the reseller or Corsair themselves Is this occurring before or after you set XMP? Describe please the method you are using to set XMP, as If you just booted into the BIOS. You don't say what GPU it is you have. One in particular drew(before a vBIOS update) an inordinate and out of spec power draw from the PCIe bus. Please post what GPU and also try plugging in/powering the 6-pin GFX_12V1 at the lower rt corner. Connecting GFX_12V1 would be all four MB power connections: 4-pin(ATX12V2) , 8-pin(ATX12V1) , 24-pin(ATXPWR1) , and lastly 6-pin(GFX_12V1) Pull all the power connections and look at the mating M and F parts that the connectors are round and inserted to their proper depth in the M ends. I've seen on occasion where one has backed out and did not make proper contact with the F pin. Also look in the F connectors that the pins are centered. Seen this too where a pin was bent and not sliding into the M's round connector. This usually results in a connection that the M+F connection itself didn't allow for the connection securing clip on the M part to "snap' over and lock onto the F side. Look at ALL power connections that you didn't inadvertently not get all the M-F connections properly inserted and now have two or more pins not getting inserted into their correct contact. ie: powering air |
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datonyb ![]() Senior Member ![]() Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3154 |
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have you tried using some old tricks we learnt with the ryzen cpu and ram issues ?
after all ryzen is half a threadripper cpu with ryzen systems we try tips like get into bios (using less ram sticks) change the dram volts to something more powerful eg 1.375volts or even 1.4 volts to test find the SOC setting and increase this to 1.1volt (this is the actual voltage to the memory controller) you can also try to see if your heading in correct direction and to make it easier to boot with ram issues enter bios set xmp to 3000 and then leave ram subtings loose eg cl16/cl18 BUT lower the actual ram speed manually down to 2133 this basically slows down the ram to much more stable timings if you can get it to boot then with all 8 sticks gradually adjust settings back to what you require until it becomes unstable again and then you know whats to set it permanantly |
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Xaltar ![]() Moderator Group ![]() ![]() Joined: 16 May 2015 Location: Europe Status: Offline Points: 26558 |
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Contact them again and direct them to this thread. You were likely told to RMA because one of the most common causes for issues like yours is a defective DIMM slot, with that ruled out they should be better able to assist you.
I have also sent you a PM
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128noGB ![]() Newbie ![]() Joined: 29 Sep 2017 Status: Offline Points: 33 |
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I just want to know what RAM to use for 128GB and how to get it to work. I'm buying stuff left and right and I just want it to work :(
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128noGB ![]() Newbie ![]() Joined: 29 Sep 2017 Status: Offline Points: 33 |
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I emailed their tech support. They told me to return the motherboard. So I did and bought a new one (same Fatal1ty x399). It has the exact same issue. I've changed voltages and reduced timing down to 1866 and still it won't boot. 7 sticks = POST. 8 sticks = no post. :( |
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Xaltar ![]() Moderator Group ![]() ![]() Joined: 16 May 2015 Location: Europe Status: Offline Points: 26558 |
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I would open a support ticker with ASRock Tech Support. Based on your description it sounds like incompatibility. It technically could be the IMC on the CPU failing to operate with 8 populated dimm slots, it may be worth looking into voltages, you may need a little more to get 8 dimms to operate. Again though, Tech Support is who you want to ask, they will be by far better equipped to help you (they have access to your exact board model to test with).
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