Need help overclocking i7 920 D0

I am overclocking to 3.5 here are the settings. Have I set everything right? Should I increase or decrease any of the voltage? Should I Set Load-Line calibration? Should I disable Bi-Directional PROCHOT. Is my QPI link Speed Safe. Is my Uncore Clock Ratio correct at 2 x System Memory Multiplier +1 =13 or am I getting this formula wrong. As far as my memory should I tighten it up and to what? I’m a noob.
Thanks for all your input.
Gigabyte X58A-UD5 rev.1 motherboard - XMS3 — 6GB Triple Channel DDR3 Memory Kit (TR3X6G1333C9) Corsair DDR3 Memory.SPD Latency: 7-7-7-20
Tested Latency: 9-9-9-24
Memory Type: DDR3
Speed Rating: PC3-10600 (1333MHz)Tested Speed: 1333Mhz
6GB XMS Memory kit for triple channel systems, 1333MHz, 9-9-9-24, 1.5V
2 triple channel kits for 12GB total memory.
Advanced CPU Core Features
Intel Turbo Boost Tech. [Disabled]
CPU Cores Enabled [All]
CPU Multi-Threading [Enabled]
CPU Enhanced Halt (C1E) [Disabled]
C3/C6/C7 State Support [Disabled]
CPU Thermal Monitor [Enabled]
CPU EIST Function [Disabled]
Bi-Directional PROCHOT [Enabled]
Advanced Frequency Settings
CPU Clock Ratio [20 X]
CPU Frequency 3.50GHz(175x20)
QPI Clock Ratio [x36]
QPI Link Speed 6.3GHz
Uncore Clock Ratio [x13]
Uncore Frequency 2275MHz
BCLK Frequency(Mhz) [175]
Memory Frequency(Mhz) 1066 1050
PCI Express Frequency(Mhz) [100]
CPU Clock Drive [700mV]
PCI Express Clock Drive [700mV]
CPU Clock Skew [0ps]
IOH Clock Skew [0ps]

Motherboard Voltage Control
Load-Line Calibration [Auto]
CPU Vcore 1.23750V [1.25000V]
Dynamic Vcore (DVID) 0.00000V Auto
QPI/Vtt Voltage[1.195V] 1.175V [1.195V]
CPU PLL 1.800V [Auto]
PCIE 1.500V [Auto]
DRAM Voltage 1.500V [1.500V]
DRAM Termination 0.750V [Auto]

Advanced Memory Settings
System Memory Multiplier (SPD) [6.0]
Memory Frequency(Mhz) 1066 1050
Performance Enhance [Turbo]
Dram Timing Selectable (SPD) [Auto]
Profile DDR Voltage 1.5V
Profile QPI Voltage 1.75V
Channel Interleaving 6 Auto
Rank Interleaving 4 Auto
Timing Settings Timing Control
CAS Latency Time 8 9
tRCD 8 9
tRRD 8 9
tRAS 20 24
7 answers Last reply Best Answer
More about need overclocking
  1. Best answer
    The CPU Vcore voltage has an upper limit of 1.375 Volts, and you are below that. The RAM frequency and voltage is also fine (safe). Do not exceed the manufacturer's upper limits.

    There is still room to go a little higher in CPU OC if desired.
  2. How do I decrease the qpi..
  3. Would someone please post settings for 3.8Ghz and 4.0Ghz
  4. I did have great success at 3.50Ghz. Thanks. This was working fine on my stock cooler. But with temps as they were I was limited to 3.5Ghz. Yesterday I received a Noctua D-14 air cooler. No, I don't work for Noctua. But anyway I have now achieved a stable 4.1Ghz with low temps on idle of 39, 37, 40, and 34, on all 4 cores. High temperatures reached 83, 80, 79, and 77 at 100% load with prime95. Prime95 has already been running 1 hour and 30 minutes so far, (as I speak) and everything appears stable. I,ll no for sure soon. I plan on running prime95 2 hours. Question should I run prime95 longer than 2 hours, or will that surfice?

    Thanks the noob.
  5. irvinparrett said:
    I plan on running prime95 2 hours. Question should I run prime95 longer than 2 hours, or will that surfice?

    Thanks the noob.

    If you ask 2 people this, you will get 3 different opinions!

    Read posts from here and from other forums, and you will get a pretty good idea.

    Look into OCCT as well.
  6. Best answer selected by irvinparrett.
  7. Thank you!
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