Intel core i7 950 OC

[PerfectHal]

Hi everyone and tnx for this wonderful forum, this is my first post in the community and i hope u'll be helpfull as i seen for alot of peeps :>

Somedays agò i started to mumbling about occing my i7 950 but i really am not sadisfied with the final score...i mean i'm actually 4ghz but the temps in my opinion are too high ... i'll post some screen ofc, but i'll start with my setting.

Mobo: Asus Rampage 3 Extreme
CPU: Intel core i7 950 (Noctua NH-D14 Cooled)
Ram: 12GB DD3 XMS3 Corsair 1600MHZ 9-9-9-24 1.65V
GPU: EVGA Geforce GTX 480 Liquid cooled

I think its enough for starting with the OC process
This is my Bios/Cpu settings but i made some changes in some voices here is the list:

1. Load Line Calibration actually is on "FULL CALIBRATION"

2. The frequency is not 200x20 anymore but "167x24"

3. Dram Freq is the lowest not 1600 anymore and ofc UCLK Freq is right the double.

4. QPi Link always lowest(not slow mode)

5. Digi+PWR mode is on X-Power for better OC performance

6. Qpi/Dram Core Voltage downgraded from 1.30 to 1.20

7. CPU PLL Voltage 1.80 from 1.82

8. And in the end Vcore is at 1.32

Should be everything

Now, my target is to reach 4,2Ghz with the lowest Vcore possible and ofc lower Temps cause Summer's incoming so i dont wana risk anything.

The way I use my cpu is, well dunnow if someone of you know but i smooth video increasing theyr FPS with some programs and script the results are amazing but the CPU consumption is full too!!! So i need a good OC that's why

My thermal compound is Gelid GC2 is a lil better then Nt-H1 stocked with the cooler, oh my temps while IBT maximum stress after 2hrs + was 83° on the hottest core o all the suggestions are opened from now hope to get some serious help and tnx again...oh i was forgiving...REMEMBER that i'm a noob !!!

Program Used: Intel Burn test, Real Temp / Core Temp / HW Monitor CPU-Z last version

 

[PerfectHal]

Nobody? Really?

 

[redduc900]

Relax... sometimes it can take up to a day or two before folks start replying. In the meantime see if these settings are Prime stable for you, assuming the settings in the BIOS screens you posted are unstable. Still a 4.0GHz clock at 200 x 20, DDR3-1600; 9-9-9-24-1T and 1.65V, and w/ a 1.325V Vcore.

Extreme Tweaker:

Sync Mode: Enabled
Ai Overclock Tuner: Manual
OC From CPU Level Up: Auto
CPU Ratio Setting: 20.0
CPU Turbo Power Limit: Disabled

CPU Configuration Submenu:
CPU Ratio Setting: 20.0
C1E Support Disabled
Hardware Prefetcher: Enabled
Adjacent Cache Line Prefetch: Enabled
MPS and ACPI MADT ordering: Modern
Intel Virtualization Tech: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Enabled
Intel HT Technology: Enabled
Active Processor Cores: All
A20M: Disabled
Intel SpeedStep Tech: Disabled
Intel C-State Tech Disabled

BCLK Frequency: 200
PCIE Frequency:100
DRAM Frequency: DDR3-1603MHz
UCLK Frequency: 3208MHz
QPI Link Data Rate: 7218MT/s
Memory Configuration Protect: Disabled

DRAM Timing Control Submenu:
CAS# Latency: 9
RAS# to CAS# Delay: 9
RAS# PRE Time: 9
RAS# ACT Time: 24
RAS# to RAS# Delay: Auto
REF Cycle Time: Auto
WRITE Recovery Time: Auto
Read to Pre Time: Auto
FOUR ACT WIN Time: Auto
Back-To-Back CAS#Delay: Auto
Timing Mode: 1N
Round Trip Latency on CHA: Auto
Round Trip Latency on CHB: Auto
Round Trip Latency on CHC: Auto
WRITE To READ Delay(DD): Auto
WRITE To READ Delay(DR): Auto
WRITE To READ Delay(SR): Auto
READ To WRITE Delay(DD): Auto
READ To WRITE Delay(DR): Auto
READ To WRITE Delay(SR): Auto
READ To READ Delay(DD): Auto
READ To READ Delay(DR): Auto
READ To READ Delay(SR): Auto
WRITE To WRITE Delay(DD): Auto
WRITE To WRITE Delay(DR): Auto
WRITE To WRITE Delay(SR): Auto

CPU Differential Amplitude: 800mV
CPU Clock Skew: Auto
IOH Clock Skew: Auto
Digi+ PWR Mode: T-Balanced
PWM Volt. Control: Auto
Load-Line Calibration: Full Calibration
CPU Voltage OCP: Enabled
CPU PWM Frequency: Auto
Extreme OV: Disabled
Extreme OC: Auto
CPU Voltage: 1.32500
CPU PLL Voltage: 1.90800
QPI/DRAM Core Voltage: 1.35000
DRAM Bus Voltage: 1.65

DRAM REF Voltages Submenu:
DRAM DATA REF Voltage on CHA: Auto
DRAM CTRL REF Voltage on CHA: Auto
DRAM DATA REF Voltage on CHB: Auto
DRAM CTRL REF Voltage on CHB: Auto
DRAM DATA REF Voltage on CHC: Auto
DRAM CTRL REF Voltage on CHC: Auto

IOH Voltage: 1.16600
IOH PCIE Voltage: 1.51050
ICH Voltage: 1.11300
ICH PCIE Voltage: 1.51050
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

 

[Woomack]

I have weird i7 950 now ( got it from RMA replacement for much better i7 920 ). It can make 19x210 = ~4GHz 1.35V stable but can't make 20x200 without single errors from time to time. Simply higher multi = lower max bclk and some of these cpus just can't make 200 bclk with 20 or higher multi.

can also try:
CPU Differential Amplitude: 900
CPU Clock Skew: 300
IOH Clock Skew: 100
IOH Voltage: ~1.2V
PLL 1.80 is working fine for me but it sometimes depends from cpu

 

[PerfectHal]

i never sayed i'm unstable, i've just sayed that temp compared to other oc air cooled with same stuffs got pretty lower temp then me and my target is to reach lower temp possible atleast at 4ghz aniway i'll try ur settings and i'll submit results and TNX

BSOD while testing with ur setup so yes now i'm unstable :>

 

[PerfectHal]

@Woomack

Aniway m8 what are ur temps in 4Ghz? and ur ram freq? cause i've noticed a drastic low temp if i put the ram lower but alot like 7°

 

[Woomack]

Max about 75*C while running F@H with GTX480 also running F@H in the same water loop ( 3x120mm fan heatspreader ). Memory 12GB(6x2GB)@1600 7-8-7 ~1.62V , QPI ~1.4V.
My cpu is rather bad , making 4GHz 1.35-1.37V. It's normal that setting higher QPI/VTT voltage you will have higher cpu temps because its heating up memory controller that is integrated in cpu. Changing only memory clock shouldn't change cpu temp so much.