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Overcocking the x370 killer SLI. Help!
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Drain_Bamaged View Drop Down
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    Posted: 14 Jul 2017 at 4:58am
Hi everyone. 

New here. Please be kind.

I am having trouble with my x370 Killer SLI. RAM is Corsair Vengeance LPX 3000mhz. It seems I can overclock the CPU ( 1600) no problem IF I leave RAM at default ( 2133mhz). But I hit a wall of 3.7ghz with RAM at 2800mhz.

I can get 3.9 with modest (fixed) voltage with RAM at 2133. But if I try for such overclocks and so much as touch the ram it won't get into Windows and just continually reboots.
I have newest BIOS and Windows is updated.

Can anyone assist with this RAM issue? How do you even adjust timings? On the OCtweaking page of bios, it will only "load xmp" profiles, and ignores changes in timing value. On the other page called "ram overclocking" or something similar, I'm not sure what to make of it. What would a value of 1400mhz represent? 
How do I change timings if this is the issue? How do I overclock the CPU and use faster memory speed?

Thank you.


Edited by Drain_Bamaged - 14 Jul 2017 at 5:01am
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Drain_Bamaged View Drop Down
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Ok scratch my comment about the ram overclocking page. It's speaking in double data rate language. 1500mhz is 3000 mhz. This is the page to tweak timings. Not that this helps me. The same behaviour is displayed. In fact my PC jsut failed to boot at 2800mhz ram...loaded into Windows, looked at CPUZ and it's 2133! This platform is not ready man. It's so immature and flaky.

I am getting absolutely astonishingly awful Realbench scores and overclocking is really tricky. I need to learn how to do Pstate overclocking and I don't understand why cpu clock speed and ram speed interfere with each other.


Edited by Drain_Bamaged - 14 Jul 2017 at 6:58am
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Drain_Bamaged View Drop Down
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No one around?
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Originally posted by Drain_Bamaged Drain_Bamaged wrote:

[URL=][/URL]No one around?


Try 2933 or 3066.

3000 gives Ryzen heartburn.
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Drain_Bamaged View Drop Down
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I understand that. In fact 2933 is the only closest speed available. But it just boot loops if I select 2933 and save.

I had 2800 but lost it being stable somehow ( every attempt at 2800 is a boot loop now).

The weirdest part for me is I cant over clock the CPU and have Ram anywhere near it's rated speed. It's like as soon as I try overclocking, the flaky ass memory controller throws a fit.
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I still haven't seen a request for the mem Kit P/N.

Please go to the below link and install the Freeware version of Thaiphoon Burner. Then post here the capture generated from the Read function.

http://www.softnology.biz/files.html
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Drain_Bamaged View Drop Down
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Memory Module
Manufacturer
Corsair
Part Number
CMK16GX4M2B3000C15
Serial Number
00000000h
JEDEC DIMM Label
8GB 1Rx8 PC4-2133P-UA0-10
Architecture
DDR4 SDRAM UDIMM
Speed Grade
DDR4-2133P downbin
Capacity
8 GB (8 components)
Organization
1024M x64 (1 rank)
Register Manufacturer
N/A
Register Model
N/A
Manufacturing Date
Undefined
Manufacturing Location
Taiwan
Revision / Raw Card
0000h / A0 (8 layers)
DRAM Components
Manufacturer
Hynix
Part Number
H5AN8G8NAFR-TFC
Package
Standard Monolithic 78-ball FBGA
Die Density / Count
8 Gb A-die (21 nm) / 1 die
Composition
1024M x8 (64M x8 x 16 banks)
Clock Frequency
1067 MHz (0.938 ns)
Minimum Timing Delays
15-15-15-36-50
Read Latencies Supported
16T, 15T, 14T, 13T, 12T, 11T, 10T
Supply Voltage
1.20 V
XMP Certified
1499 MHz / 15-17-17-35-52 / 1.35 V
XMP Extreme
Not programmed
SPD Revision
1.0 / January 2014
XMP Revision
2.0 / December 2013
Frequency CAS RCD RP RAS RC FAW RRDS RRDL CCDL
1067 MHz 16 15 15 36 50 23 4 6 6
1067 MHz 15 15 15 36 50 23 4 6 6
933 MHz 14 13 14 31 44 20 4 5 5
933 MHz 13 13 14 31 44 20 4 5 5
800 MHz 12 11 12 27 38 17 3 5 5
800 MHz 11 11 12 27 38 17 3 5 5
667 MHz 10 9 10 22 31 14 3 4 4
667 MHz 9 9 10 22 31 14 3 4 4
Frequency CAS RCD RP RAS RC FAW RRDS RRDL
1499 MHz 15 17 17 35 52 33 6 8
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Drain_Bamaged View Drop Down
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Got it!!

At least the RAM instability /clock speed issue. I changed procODT to 48. With this change I got 2933!

Now I need to learn how to do Pstate overclocking. I really don't understand it but all I know is I dont want to run my CPU at a fixed voltage.


Edited by Drain_Bamaged - 14 Jul 2017 at 10:42am
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Originally posted by Drain_Bamaged Drain_Bamaged wrote:

Got it!!

At least the RAM instability /clock speed issue. I changed procODT to 48. With this change I got 2933!

Now I need to learn how to do Pstate overclocking. I really don't understand it but all I know is I dont want to run my CPU at a fixed voltage.


Now change to my recommended procODT of 53.3 if you haven't yet.

Going "lower' on the procODT value is defeating what you are attempting to do there.

Lover values entered there only serve to further limit the mem. ie: akin to lowering CAS/CL
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Originally posted by wardog wardog wrote:

ie: akin to lowering CAS/CL


Clarification

As in lowering CL will lower your odds at attaining to obtain their rated speed.
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