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P35 E6600 AIR OC Comparison - Asus - Gigabyte

post #1 of 32
Thread Starter 
This thread is for comparing P35 chipset overclocking using air cooling. I will being doing an overclock of an Asus P5K-Deluxe. Audi will be doing the same overclock on a Gigabyte P35 DS3P. If there is anyone else that would like to add another brand or model to the mix, that would be great. The purpose is to answer some questions about each of the board. Find what they have in common, and what makes them different.

In order to keep the results somewhat compareable, we will both be using Intel E6600 2.4Ghz B2 stepping CPUs and Air Cooling solutions.

To account for enviromental factors, we will first provide baseline information at stock setting. That way things like ambient temperatures can be factored into the results.
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post #2 of 32
Thread Starter 
Specs:
Intel E6600 Week L649G
Asus P5K-Deluxe (Bios 0403)
GSkill DDR2-1000 HZ 2X1gig Memory
Thermalright Ultra 120 Extreme + SilenX 90cfm fan
Silverstone Zues 650watt PSU

Ambient Temperature: 20.5C

Baseline cooling results with stock settings in bios:

Idle with all stock setting in the bios


Orthos Small FFTs 15min running all stock settings in bios


With voltage set to auto. Vcore is showing 1.24volts.




OC Test 1: 3.375Ghz (9 X 375)

Setting selected in bios: (Thanks eva2000 for the nice P5K-Deluxe bios template)
Quote:
JumperFree Configuration Settings
AI Overclocking: Manual
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
FSB Strap to North Bridge: AUTO
FSB Frequency: 375
PCI-E Frequency: 100
DRAM Frequency: DDR2-938
DRAM Command Rate: 2T
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 8
TWR: AUTO
TRFC: AUTO
TWTR: AUTO
TRRD: AUTO
TRTP: AUTO
DRAM Static Read Control: Disabled

Transaction Booster: AUTO
Clock Over-Charging Mode: AUTO

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

CPU Voltage: 1.2875v
CPU Voltage Reference: AUTO
CPU Voltage Damper: Enabled
CPU PLL Voltage: 1.50
DRAM Voltage: 2.10
FSB Termination Voltage: 1.40
North Bridge Voltage: 1.55
North Bridge Voltage Reference: AUTO
South Bridge Voltage: 1.20

Advance CPU Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 9
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
PECI: Enabled
This was a pretty conservative first setting for me, but I figured I would take it one step at a time.

I did notice the board does seem to undervolt the CPU from the what I selected in the bios. Both Everest and the Bios monitor show 1.256 when I selected 1.2875. I will have to compare this with my other P5K-Deluxe and see if it does the same.

15min stable with Orthos, so I think I will push it up a bit more.



OC Test 2: 3.6Ghz (8 X 450)

Setting selected in bios:
Quote:
JumperFree Configuration Settings
AI Overclocking: Manual
CPU Ratio Control: Manual
- Ratio CMOS Setting: 8
FSB Strap to North Bridge: AUTO
FSB Frequency: 450
PCI-E Frequency: 100
DRAM Frequency: DDR2-1080
DRAM Command Rate: 2T
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 8
TWR: AUTO
TRFC: AUTO
TWTR: AUTO
TRRD: AUTO
TRTP: AUTO
DRAM Static Read Control: Disabled

Transaction Booster: AUTO
Clock Over-Charging Mode: AUTO

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

CPU Voltage: 1.3750v
CPU Voltage Reference: AUTO
CPU Voltage Damper: Enabled
CPU PLL Voltage: 1.50
DRAM Voltage: 2.20
FSB Termination Voltage: 1.40
North Bridge Voltage: 1.55
North Bridge Voltage Reference: AUTO
South Bridge Voltage: 1.20

Advance CPU Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 8
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
PECI: Enabled
Above 400mhz it became much harder to get stable with a multi of 9. So I dropped the multi to 8, and pushed the FSB up to 450. This yielded a 3.6Ghz. I also raised the vcore since I had a ways to go before my temps would be considered high and I wanted some extra overclocking headroom. The Voltage monitor in the bios matched the vcore reported by Everest of 1.354. This is the what would be considered stock max voltage for the CPU. Temperatures will still quite respectable in the low 40s. I will see how much more I can push it before another vcore bump is required.

30min stable with Orthos, time for another bump.



OC Test 3: 3.92Ghz (8 X 490)

Setting selected in bios:
Quote:
JumperFree Configuration Settings
AI Overclocking: Manual
CPU Ratio Control: Manual
- Ratio CMOS Setting: 8
FSB Strap to North Bridge: AUTO
FSB Frequency: 490
PCI-E Frequency: 100
DRAM Frequency: DDR2-980
DRAM Command Rate: 2T
DRAM Timing Control: Manual
CAS# Latency: 4
RAS# to CAS# Delay: 4
RAS# Precharge: 4
RAS# Activate to Precharge: 8
TWR: AUTO
TRFC: AUTO
TWTR: AUTO
TRRD: AUTO
TRTP: AUTO
DRAM Static Read Control: Disabled

Transaction Booster: AUTO
Clock Over-Charging Mode: AUTO

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

CPU Voltage: 1.500v
CPU Voltage Reference: AUTO
CPU Voltage Damper: Enabled
CPU PLL Voltage: 1.50
DRAM Voltage: 2.20
FSB Termination Voltage: 1.40
North Bridge Voltage: 1.55
North Bridge Voltage Reference: AUTO
South Bridge Voltage: 1.20

Advance CPU Settings
CPU Ratio Control: Manual
- Ratio CMOS Setting: 8
C1E Suppport: Disabled
Max CPUID Value Limit: Disabled
Vanderpool Technology: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
PECI: Enabled
490mhz seems to be a dropoff point before a considerable bump in voltage was needed across the board. Temps were where I wanted them, and fluctuated between 45C and 50C on Orthos depending on which way the wind was blowing in my office. The 1.5 vcore netted 1.488 in the bios and produced the temps I was looking for and a stable Orthos for 9+ hours. I let it continue to run overnight and was at 15hours stable when I left for work.

I would have liked 4Ghz, but pushing up the vcore and fsb voltage increased the heat considerably and was not worth it for the extra 80mhz. I could have likely dropped the multi and pushed for more as well, but again I think I have hit a nice balance here and will leave it.

This is the same setup that I ran to 4.6Ghz+ on phase, so I did not have the desire to push it to dangerous limits on air just to see what it can do.

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post #3 of 32
I'm here and I'm ready. I'll have my E6600 this coming week and will enjoy tearing my hair out trying to get the best performance out of it so you guys here at OCN will know what's up!

This is NOT to discourage people from buying one brand or the other. It's to inform the community of possibilities with this new chipset!

Testing Platforms below! RED is the changing factor in each!

Audi's Platform:
E6600 Week: L646G
Gigabyte P35 DS3P Bios 4
G.Skill HZ DDR2-800 x 2 (2gigs)
Enzotech Ultra-X + Stock Fan
PC P&C 610w PSU

Ambient Temperature: 22c - 24c ( Audi likes it hot, ironically. Always above Room Temp for me. )

BASELINE STOCK BIOS SETTINGS:

1.31v in Everest is what's being reported. That's a decent amount higher than Knitelife's experience at the same settings. I will try 1.24v in my own thread, as this one is to judge STOCK BIOS SETTINGS.

Idle: 29c 27c | Load: 41c 41c @ 1.31v

Images below:

Idle--


Load--


----------------------------------------------------------------------------
OC Test 1: 3.375Ghz (9 X 375)

Result: L646G Is definitely a power hungry week! Chozart has the same CPU and can testify.

It took me 1.41250v to Stabilize a similar clock to Knitelife's!!!

3.4ghz @ 1.41250V
Idle: 31c 29c
Load: 51c 49c

Screenshots coming!

Quote:
Robust Graphics Booster [AUTO]
CPU Clock Ratio [ 9x ]
CPU Host Clock Control [Disabled]
CPU Host Frequency(Mhz) [376]
PCI Express Frequency(Mhz) [101]
C.I.A.2 [Disabled]
System Memory Multiplier (SPD) [2.5]
Memory Frequency(Mhz) 800 942
High Speed DRAM DLL Settings [Option 1]
Performance Enhance [Standard]

DRAM Timing Selectable (SPD) [Auto]
CAS latency Time 5 [5]
DRAM RAS# to CAS# Delay 5 [5]
DRAM RAS# Prechange 5 [5]
Precharge delay(tRAS_ 15 [10]
ACT to ACT Delay(tRRD) 11 [Auto]
Rank Write To READ Delay 5 [Auto]
Write to Precharge Delay 10 [Auto]
Refresh to ACT Delay 46 [ 0]
Read to Precharge Delay 5 [Auto]
tRD 6 [Auto]
tRD Phase Adjustment 13 [Auto]
*********System Voltage********************
System Voltage Control [MANUAL]
DDR2 OverVoltage Control +0.20V
PCI-E OverVoltage Control +0.10V
FSB OverVoltage Control +0.200V
(G)MCH OverVoltage Control +0.200V
CPU Voltage Control 1.4125V
Normal CPU Vcore 1.35000V
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post #4 of 32
sweet. ill be watching to see how it goes please keep me updated =)

im planning on buying a P5K and possibly the E6600 or mabye wait for the E6850 next month =)
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post #5 of 32
Thread Starter 
Updated post with idle and load with all stock settings in the bios. Seems to run pretty cool with just stock settings and the TR120 Extreme. Is it possible that TAT, Coretemp, and speedfan are not reporting the right temps, are they never exact anyway?
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post #6 of 32
I think, for safety's sake, TaT should always be the standard as far as temp gathering. If it's higher than the rest, you can be sure if it's not accurate then at least your temps are phenomenal.

We'll do results from CoreTemp, SpeedFan, and iTaT though. What cooler are you using by the way? I'll list my entire system setup in the third post for reference soon.
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post #7 of 32
Hes using the thermalright 120 with a 90cfm silenx... Great comparrison this'll be interesting to see...
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post #8 of 32
Thread Starter 
Updated with first "Safe" OC or 3.375Ghz. Time to push it up another notch.
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post #9 of 32
Wow nice results, knitelife! That's actually pretty crazy! 3.6 loading under 45c!? On air! Sick!

Man I can't wait to get started!
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post #10 of 32
Knitelite & Audi:

I'm looking at getting an Enzotech Ultra-X and mounting it on my E6600 (stock everything). Audi, can you PM me with results?

Knitelite: What happened to the PM? Nice results, though, 19C idle 40C load.

NiNja
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