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Old 03-03-09   #1161 (permalink)
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I always thought that the max vid was the most a chip could go without any damage done to the chip( as long as you have the chip cooled properly) and then anything after that would damage the chip after a period of time.

Where were you able to find out the max volts and max temps of the I7 on intels site? All I was able to find was the max vid which is 1.375.
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Old 03-03-09   #1162 (permalink)
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Quote:
Originally Posted by speedy2721 View Post
Where were you able to find out the max volts and max temps of the I7 on intels site? All I was able to find was the max vid which is 1.375.
yeah from what i have read also, the max is 1.37v. 1.5v sounds ways to high. i know alot of people run in the low 1.4's, but never seen anybody over that.
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Old 03-03-09   #1163 (permalink)
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Quote:
Originally Posted by xtreme1280 View Post
yeah from what i have read also, the max is 1.37v. 1.5v sounds ways to high. i know alot of people run in the low 1.4's, but never seen anybody over that.
If the max was 1.375 a lot of people would have blown chips right now. Most of the specs are conservative anyhow. If I am correct I believe 1.375 would be the max Intel recommends with the stock cooler.

1.5 is the max with (good!) water cooling or other methods better than air. This was asked by a magazine directly from Intel.

If I can find the link, I will post it but they asked an Intel engineer.

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Last edited by ricsim78 : 03-03-09 at 06:10 PM
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Old 03-03-09   #1164 (permalink)
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I just put together my new i7 system this afternoon and, having not built a computer in about 8 years, the BIOS is a little bit overwhelming to me at the moment with all these new options and features I'm not accustomed to.

Would someone please help me adjust the BIOS properly? I'm just looking for a mild overclock to like 3.6ghz or so. Stability is what I'm after.

I'm running an i7 920 on the ASUS P6T6 board with a 6GB set of the Mushkin DDR3-1600 7-8-7-20 memory.

Here is a template if you feel like helping me out. As you can see the only thing I've changed, based on what I've read so far, is the DRAM Frequency, UCLK Frequency, basic Memory Timings. Where I really need the most help is with the voltages. I really have very little to no idea what I'm doing there and don't want to mess anything up or brick the board. If there are any settings that I left off the template that should also be disabled or adjusted would you please throw that out there?

I will deal out mass Reps to anyone patient enough to help me out here.

Ai Overclock Tuner Manual
CPU Ratio Setting Auto
Intel SpeedStep Tech Disabled
Intel Turbo Mode Tech Disabled
BCLK Frequency 133
PCIE Frequency 100
DRAM Frequency DDR3-1600MHz
UCLK Frequency 3200MHz
QPI Link Data Rate Auto

DRAM Timing Control

DRAM CAS# Latency 7
DRAM RAS# to CAS# Delay 8
DRAM RAS# PRE Time 7
DRAM RAS# ACT Time 20
DRAM RAS# to RAS# Delay Auto
DRAM REF Cycle Time Auto
DRAM WRITE Recovery Time Auto
DRAM READ to PRE Time Auto
DRAM FOUR ACT WIN Time Auto
DRAM Back-To-Back CAS# Delay Auto

DRAM Timing Mode Auto
DRAM Round Trip Latency on CHA Auto
DRAM Round Trip Latency on CHB Auto
DRAM Round Trip Latency on CHC Auto

DRAM WRITE to READ Delay(DD) Auto
DRAM WRITE to READ Delay(DR) Auto
DRAM WRITE to READ Delay(SR) Auto
DRAM READ to WRITE Delay(DD) Auto
DRAM READ to WRITE Delay(DR) Auto
DRAM READ to WRITE Delay(SR) Auto
DRAM READ to READ Delay(DD) Auto
DRAM READ to READ Delay(DR) Auto
DRAM READ to READ Delay(SR) Auto
DRAM WRITE to WRITE Delay(DD) Auto
DRAM WRITE to WRITE Delay(DR) Auto
DRAM WRITE to WRITE Delay(SR) Auto

CPU Voltage Auto
CPU PLL Voltage Auto
QPI/DRAM Core Voltage Auto
IOH Voltage Auto
IOH PCIE Voltage Auto
ICH Voltage Auto
ICH PCIE Voltage Auto
DRAM Bus Voltage Auto
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

Load-Line Calibration Auto
CPU Differential Amplitude Auto
CPU Clock Skew Auto
CPU Spread Spectrum Auto
IOH Clock Skew Auto
PCIE Spread Spectrum Auto
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Old 03-03-09   #1165 (permalink)
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Quote:
Originally Posted by ricsim78 View Post
If the max was 1.375 a lot of people would have blown chips right now. Most of the specs are conservative anyhow. If I am correct I believe 1.375 would be the max Intel recommends with the stock cooler.

1.5 is the max with (good!) water cooling or other methods better than air. This was asked by a magazine directly from Intel.

If I can find the link, I will post it but they asked an Intel engineer.
okay cool, that makes sense.
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Old 03-03-09   #1166 (permalink)
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Try the following to get to 3.8Ghz:

Ai Overclock Tuner Manual
CPU Ratio Setting 20
Intel SpeedStep Tech Disabled
Intel Turbo Mode Tech Disabled
BCLK Frequency 190
PCIE Frequency 100
DRAM Frequency Whatever number is under 1600
UCLK Frequency Auto
QPI Link Data Rate Auto

DRAM Timing Control

DRAM CAS# Latency 7
DRAM RAS# to CAS# Delay 8
DRAM RAS# PRE Time 7
DRAM RAS# ACT Time 20
DRAM RAS# to RAS# Delay Auto
DRAM REF Cycle Time Auto
DRAM WRITE Recovery Time Auto
DRAM READ to PRE Time Auto
DRAM FOUR ACT WIN Time Auto
DRAM Back-To-Back CAS# Delay Auto

DRAM Timing Mode Auto
DRAM Round Trip Latency on CHA Auto
DRAM Round Trip Latency on CHB Auto
DRAM Round Trip Latency on CHC Auto

DRAM WRITE to READ Delay(DD) Auto
DRAM WRITE to READ Delay(DR) Auto
DRAM WRITE to READ Delay(SR) Auto
DRAM READ to WRITE Delay(DD) Auto
DRAM READ to WRITE Delay(DR) Auto
DRAM READ to WRITE Delay(SR) Auto
DRAM READ to READ Delay(DD) Auto
DRAM READ to READ Delay(DR) Auto
DRAM READ to READ Delay(SR) Auto
DRAM WRITE to WRITE Delay(DD) Auto
DRAM WRITE to WRITE Delay(DR) Auto
DRAM WRITE to WRITE Delay(SR) Auto

CPU Voltage 1.25
CPU PLL Voltage Auto
QPI/DRAM Core Voltage 1.3
IOH Voltage Auto
IOH PCIE Voltage Auto
ICH Voltage Auto
ICH PCIE Voltage Auto
DRAM Bus Voltage Auto
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

Load-Line Calibration Auto
CPU Differential Amplitude Auto
CPU Clock Skew Auto
CPU Spread Spectrum Auto
IOH Clock Skew Auto
PCIE Spread Spectrum Auto

Run Prime95 and check temps with Real Temp. Good luck and let us know how ya make out.
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Last edited by Extreme Newbie : 03-03-09 at 07:04 PM
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Old 03-03-09   #1167 (permalink)
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Ai Overclock Tuner Manual
CPU Ratio Setting 19
Intel SpeedStep Tech Enabled
Intel Turbo Mode Tech Enabled
BCLK Frequency 200
PCIE Frequency 100
DRAM Frequency 1603
UCLK Frequency Auto
QPI Link Data Rate Auto

DRAM Timing Control

DRAM CAS# Latency 8
DRAM RAS# to CAS# Delay 8
DRAM RAS# PRE Time 8
DRAM RAS# ACT Time 24
DRAM RAS# to RAS# Delay Auto
DRAM REF Cycle Time Auto
DRAM WRITE Recovery Time Auto
DRAM READ to PRE Time Auto
DRAM FOUR ACT WIN Time Auto
DRAM Back-To-Back CAS# Delay Auto

DRAM Timing Mode Auto
DRAM Round Trip Latency on CHA Auto
DRAM Round Trip Latency on CHB Auto
DRAM Round Trip Latency on CHC Auto

DRAM WRITE to READ Delay(DD) Auto
DRAM WRITE to READ Delay(DR) Auto
DRAM WRITE to READ Delay(SR) Auto
DRAM READ to WRITE Delay(DD) Auto
DRAM READ to WRITE Delay(DR) Auto
DRAM READ to WRITE Delay(SR) Auto
DRAM READ to READ Delay(DD) Auto
DRAM READ to READ Delay(DR) Auto
DRAM READ to READ Delay(SR) Auto
DRAM WRITE to WRITE Delay(DD) Auto
DRAM WRITE to WRITE Delay(DR) Auto
DRAM WRITE to WRITE Delay(SR) Auto

CPU Voltage 1.3
CPU PLL Voltage Auto
QPI/DRAM Core Voltage 1.3
IOH Voltage Auto
IOH PCIE Voltage Auto
ICH Voltage Auto
ICH PCIE Voltage Auto
DRAM Bus Voltage Auto
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

Load-Line Calibration Auto
CPU Differential Amplitude Auto
CPU Clock Skew Auto
CPU Spread Spectrum Auto
IOH Clock Skew Auto
PCIE Spread Spectrum Auto

Run Intel Burn Test (Max stress, 5 runs with error checking on) and check temps with Real Temp. Good luck and let us know how ya make out.
(Have found that Turbo mode on allows for a better overclock with less heat)

System: The Nightmare Reactor
CPU
Intel Core I7 920 @ 3.8 Ghz
Motherboard
Asus P6T Deluxe
Memory
6GB (3x2GB) OCZ Platinum DDR3 1600
Graphics Card
Sapphire HD4870
Hard Drive
640 WD Black, 500 Seagate + 320 Seagate (external)
Sound Card
4870 HDMI Output
Power Supply
Corsair 850TX 850W
Case
Antec 1200
CPU cooling
Prolimatech Megahalems
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Windows 7 Ultimate 64-Bit
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40" Samsung LNT-4066F 1080P

Last edited by ricsim78 : 03-03-09 at 07:46 PM
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Old 03-03-09   #1168 (permalink)
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Thank you very much for the quick feedback guys. I will give this a go and report back in a bit.
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Old 03-03-09   #1169 (permalink)
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Ai Overclock Tuner Manual
CPU Ratio Setting Auto
Intel SpeedStep Tech Enabled
Intel Turbo Mode Tech Enabled
BCLK Frequency 183
PCIE Frequency 100
DRAM Frequency 1467
UCLK Frequency Auto
QPI Link Data Rate Auto

DRAM Timing Control

DRAM CAS# Latency 7
DRAM RAS# to CAS# Delay 7
DRAM RAS# PRE Time 7
DRAM RAS# ACT Time 24
DRAM RAS# to RAS# Delay Auto
DRAM REF Cycle Time Auto
DRAM WRITE Recovery Time Auto
DRAM READ to PRE Time Auto
DRAM FOUR ACT WIN Time Auto
DRAM Back-To-Back CAS# Delay Auto

DRAM Timing Mode Auto
DRAM Round Trip Latency on CHA Auto
DRAM Round Trip Latency on CHB Auto
DRAM Round Trip Latency on CHC Auto

DRAM WRITE to READ Delay(DD) Auto
DRAM WRITE to READ Delay(DR) Auto
DRAM WRITE to READ Delay(SR) Auto
DRAM READ to WRITE Delay(DD) Auto
DRAM READ to WRITE Delay(DR) Auto
DRAM READ to WRITE Delay(SR) Auto
DRAM READ to READ Delay(DD) Auto
DRAM READ to READ Delay(DR) Auto
DRAM READ to READ Delay(SR) Auto
DRAM WRITE to WRITE Delay(DD) Auto
DRAM WRITE to WRITE Delay(DR) Auto
DRAM WRITE to WRITE Delay(SR) Auto

CPU Voltage 1.3
CPU PLL Voltage Auto
QPI/DRAM Core Voltage 1.3
IOH Voltage Auto
IOH PCIE Voltage Auto
ICH Voltage Auto
ICH PCIE Voltage Auto
DRAM Bus Voltage 1.66
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

Load-Line Calibration Auto
CPU Differential Amplitude Auto
CPU Clock Skew Auto
CPU Spread Spectrum Auto
IOH Clock Skew Auto
PCIE Spread Spectrum Auto

Advanced
CPU Ratio: Auto
C1E Support: Enabled
Hardware Prefetch: Enabled
Adjacent Cache Line Prefetch: Enabled
Intel Virtualization: Disabled
Execute Disable Bit: Disabled
Intel HT Technology: Enabled
Active Processor Cores: All
A20M: Disabled
Intel Speedstep: Enabled
Intel Turbo Tech: Enabled
C-State: Enabled
C-State Package: Auto


This is 3.6 Ghz (stable with my stuff stress tested and temps are good!) with Turbo you will be running 3.8 with dual threaded apps, and 4.0 with single threaded. These are my exact settings and fastest I have been able to come up with yet. Plus, the best part is you are still enabling a lot of the power saving features while still pushing your clocks to the max and getting the most out of your stuff.

This keeps temps down at idle, uses less power at all stages, and it kicks in when you need the speed by itself.

System: The Nightmare Reactor
CPU
Intel Core I7 920 @ 3.8 Ghz
Motherboard
Asus P6T Deluxe
Memory
6GB (3x2GB) OCZ Platinum DDR3 1600
Graphics Card
Sapphire HD4870
Hard Drive
640 WD Black, 500 Seagate + 320 Seagate (external)
Sound Card
4870 HDMI Output
Power Supply
Corsair 850TX 850W
Case
Antec 1200
CPU cooling
Prolimatech Megahalems
OS
Windows 7 Ultimate 64-Bit
Monitor
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Last edited by ricsim78 : 03-03-09 at 08:43 PM Reason: Edited: DRAM Bus Voltage has to be 1.66
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Old 03-03-09   #1170 (permalink)
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ricsim78...I was reading earlier where people were recommending setting the DRAM Bus Voltage to 1.64-1.66.

I assume, based on your settings, that you just recommend leaving that at Auto for now?
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