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High end memory kit - Overclock scaling?

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post #11 of 13 (permalink) Old 02-09-2019, 10:28 AM
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Is there any English in those videos? I went to the 3 minute mark in each video per your suggestion and did not find any language I can understand. Perhaps some text describing what the point here is would be useful. Far too many link-only posts these days that don't offer any context for what this is about or even quote what they are responding to.

[email protected] (-1 AVX offset) on ASRock Z390 Taichi with Noctua NH-D15 air cooler
CPU offset voltage of -25mv, runs VRVout 1.240-1.313V on full AVX load, 1.225-1.275V on non-AVX load
2x8GB [email protected] at 1.45V, G.Skill F4-3733C17Q-32GTZKK (XMP rated [email protected])
EVGA GTX 1060 6GB OC with Corsair RMx 750W power supply
Samsung 970 EVO 500GB NVMe boot SSD and four other drives all in a Fractal Design R6 Case

Last edited by jfriend00; 02-09-2019 at 10:31 AM.
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post #12 of 13 (permalink) Old 02-09-2019, 05:41 PM
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There are english captions for the first video, I referred to 3:00 onwards for the specific portion on memory topology.

Video #2, I've paraphrased the content on the comment #6 and that both QVLs of the Godlike Gaming and Extreme are referenced (T vs. Daisy chain on 2 DIMMs)
Toppc goes on to mention On-Die Termination's (of DDR4 ICs) in relation to T and Daisy chain layouts and that both slots on T need to be populated for extended OC margin for a "perfect signal" since there's a trace related to ODT on both A1 A2 and B1 B2 slots. That's unlike the daisy chain topology.

Video #3, just a video on "Dragon Alliance"... A couple of DRAM models with a stable IC supply (e.g. Hynix-A only, Hynix-C only) are picked from RAM vendors for demonstrating the benefits of daisy chain in a 2 DIMM config, MRC tuning were done on a number of these kits for an MSI certified auto overclock beyond XMP rating. e.g. A Corsair XMP-3600 kit with a designated IC running 4000MHz instead.

P19 onwards
https://download.msi.com/archive/mnu...king-Guide.pdf


Video #3 is related to another topic in his motherboard series on DRAM sorting from "module houses" (corsair, gskill etc) and how were the QVLs built on 4/6/8 PCB layer T-top 2DPC or 1DPC QVLs etc. Regardless, both Overall, Toppc and Raja referred to 4 DIMM being the ideal config for a T-topology motherboard for an extended OC margin.

Daisy chain on Ryzen: Crosshair VII Hero, on an article authored by The Stilt
https://www.io-tech.fi/artikkelit/te...-gigabyte-msi/


Elmor's C7H PDF extract on memory OC margin for this particular daisy chain board

Nano 1.1
(17 items)
Z370 Prep
(6 items)
Nano 1.0
(12 items)
CPU
8700K 5300MHz
Motherboard
ASRock Z390 Phantom Gaming-ITX/ac
Motherboard
ASRock Z370 Fatal1ty Gaming-ITX/ac
GPU
1080 Ti
RAM
TridentZ 8GBx2 [email protected]
Hard Drive
970 EVO 2TB
Hard Drive
970 PRO 1TB
Power Supply
EVGA 750W G3
Cooling
AquaComputer
Cooling
HardwareLabs
Cooling
Bitspower
Cooling
EKWB
Case
Fractal Design Nano S
Operating System
Windows 10 Pro 64-Bit | Mint 18.3 | High Sierra 10.13.4
Monitor
Dell Alienware AW3418DW
Keyboard
ThinkPad Compact USB Keyboard with TrackPoint
Mouse
TrackPoint/UltraNav
CPU
8700K 5300MHz
Motherboard
ASUS Maximus X Hero
GPU
UHD 630 (HDMI)
RAM
TridentZ (Black/White) C14
Hard Drive
HGST TravelStar
Cooling
Cryorig R1 Universal
CPU
7700K
Motherboard
ASUS Maximus VIII Impact
GPU
GTX 1070
RAM
G.SKILL Trident Z 16GB
Hard Drive
960 Pro 512GB
Power Supply
EVGA 550W P2
Cooling
AquaComputer
Cooling
HardwareLabs
Cooling
Bitspower
Cooling
EKWB
Case
Fractal Design Nano S
Operating System
Windows 10 Pro 64-Bit
▲ hide details ▲

Last edited by encrypted11; 02-09-2019 at 05:56 PM.
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post #13 of 13 (permalink) Old 02-18-2019, 10:35 AM
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Hello, I have a kit similar to yours : 4x8 GB TridentZ 4000 c18 19 19 39.

I tried to change the 4 main timings to 17-17-17-37 and a few other ones but my system is not 100 % stable with these timings, because every timing must be changed. Consequently, may you give me your default values for the following timings, please (on Gigabyte Z390 Aorus Pro) :

t CCD_S
t CCD_L
t REFIx9
t XP
t XPDLL
t PRPDEN
t RDPDEN
t WRPDEN
t CPDED
t AONPD
RFR delay
t XSDLL
t XS offset
t ZQOper
t MOD
round trip latency (Dimm0/rank0)
round trip latency (Dimm0/rank1)
round trip latency (Dimm1/rank0)
round trip latency (Dimm1/rank1)
IoLatR0D0
IoLatR1D0
IoLatR0D1
IoLatR1D1
Rtt Nom (dimm0)
Rtt Nom (dimm1)
Rtt Park (dimm0)
Rtt Park (dimm1)
Rtt Wr (dimm0)
Rtt Wr (dimm1)

Thank you.

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