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post #10748 of (permalink) Old 04-01-2019, 01:32 PM
PipJones
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C-States are no longer my friend

Finally found what was causing my bad overclock. C-States.

With c-states disabled I can use 42x CPU and 40x Cache:

CPU: 0.170 (max 1.2960)
Cache: 0.290 (max 1.2656)
SA: 0.350 (max 1.2480)

Now also using previously "dialed in" settings for 3200 RAM from the 5930K.



Quote: Originally Posted by PipJones View Post
Thanks for the extra detail.

It's been a bit of a grind getting it working. Dropping RAM, stable, reboot, save settings to BIOS, unstable again. All over the place.

I re-seated the RAM (even though it hadn't been removed) and it got worse, refused to boot with a "CC" error code. I found one reference to this, can't remember the link - but it was "over-tight CPU cooler". I took half a turn off each corner and things started working again.

Finally settled on 42x CPU, 36x Cache.

https://valid.x86.fr/5s3449

Very interesting process with the overclock. To cut a long story short, once I had the offset voltages yielding my maximum "happy" voltage (1.25 - 1.30);

CPU: 0.170
Cache: 0.290
SA: 0.350

The following changes gave stability:

VCCIO to "Auto"
DRAM to "MODE 1" (I read that this was best for RAM that is not on the QVL list)
DRAM voltage to 1.355

Temps are good, the AIDA was from a RealBench test:

https://www.overclock.net/forum/atta...261936&thumb=1

Cache & Memory benchmark is not quite as good as I was hoping for, but, it will do

https://www.overclock.net/forum/atta...261940&thumb=1

Triggers Brush
(26 items)
Pheonix
(17 items)
HTPC (4K)
(11 items)
CPU
Intel® Core™ i7-6850K
Motherboard
Asus Rampage V Extreme
GPU
nVidia GTX 1080ti FE with EK front & back
RAM
Corsair Vengeance® LPX 16GB (4 x 4GB) DDR4 DRAM 3600MHz C18 Memory Kit
Hard Drive
Samsung 970 EVO Plus 500 GB PCIe NVMe
Hard Drive
3x Samsung MZ-76E500B/EU 500 GB 860 EVO (RAID-0)
Hard Drive
4x HGST HTS721010A9E630 1TB 2.5" 7K1000 SATA 3 7200rpm (RAID-10 + LSI CacheCade)
Hard Drive
Neutron Series™ XT 240GB SATA 3 6Gb/s SSD (For LSI CacheCade)
Optical Drive
LG GGC-H20L
Power Supply
Corsair AX1200i Digital ATX Power Supply — 1200 Watt 80 PLUS® PLATINUM Certified Fully-Modular PSU
Cooling
EK-XRES 140 Revo D5 PWM
Cooling
EK-CoolStream SE 360
Cooling
EK-CoolStream SE 420 (Slim Triple)
Cooling
EK-Supremacy EVO - Full Nickel (Original CSQ)
Cooling
EK-FC1080 GTX Ti - Nickel
Cooling
EK-FC Titan X Pascal Backplate - Black
Case
Corsair Obsidian Series® 900D Super Tower Case
Operating System
Windows 10 64 Professional
Monitor
Iiyama G-Master GB2888UHSU
Monitor
Sony Bravia KD-49X8005C
Keyboard
Corsair Raptor K30 Gaming Keyboard
Mouse
Corsair M65 PRO RGB FPS Gaming Mouse — Black
Other
Corsair Link Commander Mini
Other
Corsair Commander Pro
Other
LSI 9260-8i
Other
SoNNeT Allegro USB-C PCIe Card (USB3C-2PM-E)
CPU
Intel® Xeon® Processor E5-1650 v2 @ 100x45
Motherboard
Asus Sabertooth X79
GPU
Asus ROG Strix GeForce® GTX 1060
RAM
Corsair Dominator® Platinum DDR3 2133MHz C9 Memory Kit (16GB: 4x4GB)
Hard Drive
4x HGST Deskstar P7K500 HDP725050GLA360
Hard Drive
Samsung 970 EVO Plus 500 GB PCIe NVMe M.2
Hard Drive
3x Corsair Force Series™ GT 120GB SATA
Power Supply
Corsair RMi Series™ RM750i — 750 Watt 80 PLUS® Gold Certified Fully Modular PSU
Cooling
Corsair Hydro Series™ H100i GTX Extreme Performance Liquid CPU Cooler
Case
Corsair Obsidian Series™ 800D Full-Tower Case
Operating System
Windows 10 x64 Professional
Keyboard
Sony PS3 Keyboard
Keyboard
Corsair Gaming Lapboard
Keyboard
Corsair K63 Compact Mechanical Gaming Keyboard — CHERRY® MX Red
Mouse
Corsair Katar Optical Gaming Mouse
Other
Corsair Commander Mini
Other
LSI 9260-8i
CPU
Intel® Xeon® Processor E5-2660 v2
Motherboard
Asus P9X79LE
GPU
Asus ROG Strix GeForce® GTX 1050 Ti OC edition 4GB GDDR5
RAM
Hynix DDR3 PC3-14900 1866MHz (HMT451U7AFR8C) (16GB: 4x4GB ECC)
Hard Drive
HyperX Predator PCIe Gen2 x4 HHHL (Half Height Half Length) Internal SSD Drive - 240 GB
Power Supply
Corsair RMi Series™ RM650i - 650 Watt 80 PLUS® Gold Certified Fully Modular PSU
Cooling
Noctua NH-D15
Case
Streacom F12C
Operating System
Windows 10 64
Other
Streacom FLIRC
Other
Corsair Commander Mini
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