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X399 Tahichi power connections
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MisterJ View Drop Down
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Joined: 19 Apr 2017
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Points: 1097 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MisterJ Quote  Post ReplyReply Direct Link To This Post Posted: 09 Feb 2018 at 9:26am
loooper,
Originally posted by loooper loooper wrote:

The 4 pin connector is for over clocking the CPU and is not required for boot.
I never heard such and am not sure I believe it.  I assume if you plug it back in, you will boot as long as the offending SSD is out.  Obviously you can boot without it, but I would not run without it - perhaps causes droopy core voltage.  We do not know your setup.  Please post your specifications.  I prefer them in you signature as mine are.  Did ASRock comment on the 4-pin orientation and version number?  Good progress, though.  Enjoy, John.
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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loooper15 View Drop Down
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Joined: 09 Feb 2018
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Points: 11 		Post Options Post Options   Thanks (0) Thanks(0)   Quote loooper15 Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2018 at 12:30am
Ok, well, here is what we know right now haha..

If I plug the 4 pin CPU in the "correct" way the latch at the top of the board, no boot, no post, no fans, nothing nada.

If I plug it in like as shown in the manual, turn 4 pin connector 90 degrees to the right, latch on plug now on the right side of the motherboard connector, volia.. it boots. 

Current CPU voltage at idle .850
Tdie a nice 25c

I believe another issue I was facing was with the m.2 drive installed it would loop forever, I found another thread stating this was a known issues with older bios. 

I have updated to 2.0 and am currently putting in the m.2 drive to see if she will post.

OS is currently installed on the older traditional SSD Crucial m4 drive.

MisterJ, thank you very much for help and guidance on this adventure haha :)


Thanks!

Loooper15


Edited by loooper15 - 11 Feb 2018 at 12:32am
Taichi x399, Threadripper 1950x, CORSAIR Vengeance RGB 32GB DDR4 3000, Corsair 850x PSU, MSI gtx780, Intel m.2 Sata 3 HD, Crucial M4 SSD
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loooper15 View Drop Down
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Points: 11 		Post Options Post Options   Thanks (0) Thanks(0)   Quote loooper15 Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2018 at 1:02am
Ok, Bios 2.0 definitely fixed the m.2 boot issue. Installed the drive, rebooted no issues. 


Well, I guess we will see how it goes...


Cheers,
Loooper15
Taichi x399, Threadripper 1950x, CORSAIR Vengeance RGB 32GB DDR4 3000, Corsair 850x PSU, MSI gtx780, Intel m.2 Sata 3 HD, Crucial M4 SSD
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ssateneth View Drop Down
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The 8 pins on your PSU are for CPU -and- PCI-E. Make sure to use the right cable for plugging into your board, but plugging PCI-E cable and CPU cable into any 8 pin on your PSU will work. The 6 pin on PSU are only for sata and 4pin molex.
MB: X399 Taichi, UEFI L3.32
VGA: EVGA 1080 Ti FTW3
PSU: Seasonic PRIME 1300 W PLATINUM
CPU: AMD Ryzen Threadripper 2950X
MEM: 4x16GB, 3600MHz G.Skill Trident Z F4-3600C17Q-64GTZKW
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loooper15 View Drop Down
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Points: 11 		Post Options Post Options   Thanks (0) Thanks(0)   Quote loooper15 Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 2018 at 3:39am
Thanks Ssathenth, made sure the after splitting the the second  4+4 plug that it read CPU on the molex plug before plugging into the board. 

We have been up and running for two days now. I did a four our stream last night with no issues. 

So, hopefully we should be in business going forward.. this thing is a beast!


Cheers,
Scott
Taichi x399, Threadripper 1950x, CORSAIR Vengeance RGB 32GB DDR4 3000, Corsair 850x PSU, MSI gtx780, Intel m.2 Sata 3 HD, Crucial M4 SSD
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