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TPU's Core i7 Overclocking and Feedback

Chicken Patty

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I haven't read through this thread(coz it is so long now), but is the information contained within referring/applicable to socket 1366 i7's only?
theres some scattered info about other platforms in here somewhere. All related to i7 of course.

exact batch # on the .9Vcore ? I know it doesn't matter, but i have a 3939b002 and don't have it set up yet, would like a ballpark on what to expect
I'm not binge and I don't have the batch #, but I know what he'll say. Batch # will not help you determine what to expect.
 

Chicken Patty

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generally speaking...

C0 920s are shit compared to D0s

early D0s are best... 390 or earlier batches

any D0 391 or later seems to be limited to OC for some reason :confused:

most D0's can run on .9v pretty easily even at OC. you just need to try it.

and the other answer.... this is the i7 thread but has been mostly 920 OCing and recently 860 and some i5 750. xeons included.

not many other cpus due to the prices. there is a 940 or 2 and i think a 965 but thats about it.
 

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exact batch # on the .9Vcore ? I know it doesn't matter, but i have a 3939b002 and don't have it set up yet, would like a ballpark on what to expect
You'll have no ballpark. They were from even the same sub-lot. 3939B211 and 3939B212

::Edit:: 211 decided it needed 1.38V for 4.0GHz while 212 needed .9V
 
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some screens with 4Ghz please :twitch:
 
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I need help getting 205x21 from not BSOD. I get;

"IRQL_NOT_LESS_THAN_OR_EQUAL"
0x0A

I've had some other codes but can't remember them. It doesn't seem to matter how much vcore is applied as it doesn't help. I'm backed down the uncore and ram to their lowest multi to try and isolate it. I'm at 1.425 vcore and only seeing ~82C on the hottest core.

This is LinX/IBT stable settings for 4.2Ghz. Any recommendations for 4.3?

Code:
AI Tweaker
****************************
AI Overclock Tuner: Manual
CPU Ratio Setting: 21
BCLK Frequency: 200
PCIE Frequency: 100
DRAM Frequency: DDR3-1200Mhz
UCLK Frequency: 3200Mhz
QPI Link Data Rate: 3600Mhz

*******************
DRAM Timing Control
*******************
DRAM CAS Latency: 5 DRAM Clock
DRAM RAS# to CAS# Delay : 6 DRAM Clock
DRAM RAS# PRE Time: 5 DRAM Clock
DRAM RAS# ACT Time: 15 DRAM Clock
DRAM RAS# to RAS# Delay: AUTO
DRAM REF Cycle Time: 60 DRAM Clock
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: 1.3875
CPU PLL Voltage: 1.80
QPI/DRAM Core Voltage: 1.3375
IOH Voltage: 1.20
IOH PCIE Voltage: 1.50
ICH Voltage: 1.10
ICH PCIE Voltage: 1.50
DRAM Bus Voltage: 1.60
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: Disabled
CPU Differential Amplitude: AUTO
CPU Clock Skew: AUTO
CPU Spread Spectrum: Disabled
IOH Clock Skew: AUTO
PCIE Spread Spectrum: Disabled

CPU Advance Settings
C1E Support: Disabled
Hardware Prefetcher: Enabled
Adjacent Cache Line Prefetcher: Enabled
Intel (R) Virtualization Tech: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
Intel (R) HT Technology: Enabled
Active Processor Cores: ALL
A20M: Disabled
Intel (R) C-State Tech: Disabled
****************************
Express Gate: Disabled
 

Chicken Patty

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I need help getting 205x21 from not BSOD. I get;

"IRQL_NOT_LESS_THAN_OR_EQUAL"
0x0A

I've had some other codes but can't remember them. It doesn't seem to matter how much vcore is applied as it doesn't help. I'm backed down the uncore and ram to their lowest multi to try and isolate it. I'm at 1.425 vcore and only seeing ~82C on the hottest core.

This is LinX/IBT stable settings for 4.2Ghz. Any recommendations for 4.3?

Code:
AI Tweaker
****************************
AI Overclock Tuner: Manual
CPU Ratio Setting: 21
BCLK Frequency: 200
PCIE Frequency: 100
DRAM Frequency: DDR3-1200Mhz
UCLK Frequency: 3200Mhz
QPI Link Data Rate: 3600Mhz

*******************
DRAM Timing Control
*******************
DRAM CAS Latency: 5 DRAM Clock
DRAM RAS# to CAS# Delay : 6 DRAM Clock
DRAM RAS# PRE Time: 5 DRAM Clock
DRAM RAS# ACT Time: 15 DRAM Clock
DRAM RAS# to RAS# Delay: AUTO
DRAM REF Cycle Time: 60 DRAM Clock
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: 1.3875
CPU PLL Voltage: 1.80
QPI/DRAM Core Voltage: 1.3375
IOH Voltage: 1.20
IOH PCIE Voltage: 1.50
ICH Voltage: 1.10
ICH PCIE Voltage: 1.50
DRAM Bus Voltage: 1.60
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: Disabled
CPU Differential Amplitude: AUTO
CPU Clock Skew: AUTO
CPU Spread Spectrum: Disabled
IOH Clock Skew: AUTO
PCIE Spread Spectrum: Disabled

CPU Advance Settings
C1E Support: Disabled
Hardware Prefetcher: Enabled
Adjacent Cache Line Prefetcher: Enabled
Intel (R) Virtualization Tech: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
Intel (R) HT Technology: Enabled
Active Processor Cores: ALL
A20M: Disabled
Intel (R) C-State Tech: Disabled
****************************
Express Gate: Disabled
I would bump the ICH just a bit. however I think the main problem is your RAM timings so tight.

DRAM CAS Latency: 5 DRAM Clock
DRAM RAS# to CAS# Delay : 6 DRAM Clock
DRAM RAS# PRE Time: 5 DRAM Clock
DRAM RAS# ACT Time: 15 DRAM Clock
DRAM RAS# to RAS# Delay: AUTO
DRAM REF Cycle Time: 60 DRAM Clock
DRAM WRITE Recovery Time: AUTO
DRAM READ to PRE Time: AUTO
DRAM FOUR ACT WIN Time: AUTO
DRAM Back-To-Back CAS# Delay: AUTO
 
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I think you might be right on the ICH CP. Was looking through Eva's thread on i4 and noticed that when he didn't bump the PCIe he bumped ICH when over 200 bclk. Also, I back the timings off a bit to 6-6-6-18 when I go to 205 bclk since I havn't memtest 5-6-5-15 at 1230Mhz.

Running 4.3ghz right now with the ICH bump with 1.4 vcore and it looks promising.

So, I'm guessing that BSOD was because of the ICH voltage.
 

Chicken Patty

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I think you might be right on the ICH CP. Was looking through Eva's thread on i4 and noticed that when he didn't bump the PCIe he bumped ICH when over 200 bclk. Also, I back the timings off a bit to 6-6-6-18 when I go to 205 bclk since I havn't memtest 5-6-5-15 at 1230Mhz.

Running 4.3ghz right now with the ICH bump with 1.4 vcore and it looks promising.

So, I'm guessing that BSOD was because of the ICH voltage.
at higher BCLK's bumping the ICH a bit and PCI-E a mhz or two can stable things out. Can you link me to the exact RAm kit you have, want to check them out.
 
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Chicken Patty

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Well I completed a 5 pass IBT. When I went to 207 with same settings gave me the same BSOD. I loosed the timings to 7-7-7-20, backed down to 205 bclk, and ran memtest. It ran for a while, think I got to test 5 in first loop, and then rebooted. Went into BIOS and while in there, for no more than a minute, it rebooted and went into a reboot loop. I have to turn the system off for a few seconds and boot back in to the BIOS so I can change things back to 200 bclk where I know I won't have that problem.

I'm thinking I might have to bump the PCIe speed. I didn't want to cause I wanted to see how high I could get this for some kind of 24/7 clock.
 

Chicken Patty

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Well I completed a 5 pass IBT. When I went to 207 with same settings gave me the same BSOD. I loosed the timings to 7-7-7-20, backed down to 205 bclk, and ran memtest. It ran for a while, think I got to test 5 in first loop, and then rebooted. Went into BIOS and while in there, for no more than a minute, it rebooted and went into a reboot loop. I have to turn the system off for a few seconds and boot back in to the BIOS so I can change things back to 200 bclk where I know I won't have that problem.

I'm thinking I might have to bump the PCIe speed. I didn't want to cause I wanted to see how high I could get this for some kind of 24/7 clock.
try bumping the RAM a bit, to 1.65v.
 
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Still does the same thing between 3 and 4 minutes in memtest about test 6. Tried 1.66v and 1.7v, nothing changes.
 

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Still does the same thing between 3 and 4 minutes in memtest about test 6. Tried 1.66v and 1.7v, nothing changes.
Post another BIOS template with the latest stable settings please. Or are they the same as the last BIOS template? Just trying to keep track of what changes you might have done.
 
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What I've tried at 21x205, all the voltage changes are independent of each other and not done at the same time. If it didn't work, it was returned to the lowest range and another was changed.

Code:
AI Tweaker
****************************
AI Overclock Tuner: Manual
CPU Ratio Setting: 21
BCLK Frequency: 205
PCIE Frequency: 100
DRAM Frequency: DDR3-1230Mhz
UCLK Frequency: 2460Mhz
QPI Link Data Rate: 3600Mhz

*******************
DRAM Timing Control
*******************
DRAM CAS Latency: 6 DRAM Clock
DRAM RAS# to CAS# Delay : 6 DRAM Clock
DRAM RAS# PRE Time: 6 DRAM Clock
DRAM RAS# ACT Time: 20 DRAM Clock
DRAM RAS# to RAS# Delay: AUTO
DRAM REF Cycle Time: 88 DRAM Clock
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: 1.40-1.4125
CPU PLL Voltage: 1.80
QPI/DRAM Core Voltage: 1.3375-1.350
IOH Voltage: 1.20
IOH PCIE Voltage: 1.50
ICH Voltage: 1.20
ICH PCIE Voltage: 1.50
DRAM Bus Voltage: 1.60-1.70
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: Disabled
CPU Differential Amplitude: AUTO
CPU Clock Skew: AUTO
CPU Spread Spectrum: Disabled
IOH Clock Skew: AUTO
PCIE Spread Spectrum: Disabled

CPU Advance Settings
C1E Support: Disabled
Hardware Prefetcher: Enabled
Adjacent Cache Line Prefetcher: Enabled
Intel (R) Virtualization Tech: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
Intel (R) HT Technology: Enabled
Active Processor Cores: ALL
A20M: Disabled
Intel (R) C-State Tech: Disabled
****************************
Express Gate: Disabled
 

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What I've tried at 21x205, all the voltage changes are independent of each other and not done at the same time. If it didn't work, it was returned to the lowest range and another was changed.

Code:
AI Tweaker
****************************
AI Overclock Tuner: Manual
CPU Ratio Setting: 21
BCLK Frequency: 205
PCIE Frequency: 100
DRAM Frequency: DDR3-1230Mhz
UCLK Frequency: 2460Mhz
QPI Link Data Rate: 3600Mhz

*******************
DRAM Timing Control
*******************
DRAM CAS Latency: 6 DRAM Clock
DRAM RAS# to CAS# Delay : 6 DRAM Clock
DRAM RAS# PRE Time: 6 DRAM Clock
DRAM RAS# ACT Time: 20 DRAM Clock
DRAM RAS# to RAS# Delay: AUTO
DRAM REF Cycle Time: 88 DRAM Clock
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: 1.40-1.4125
CPU PLL Voltage: 1.80
QPI/DRAM Core Voltage: 1.3375-1.350
[B][COLOR="Red"]IOH Voltage: 1.20 - bump this up, 1.3v[/COLOR][/B]
IOH PCIE Voltage: 1.50
ICH Voltage: 1.20
ICH PCIE Voltage: 1.50
DRAM Bus Voltage: 1.60-1.70
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: Disabled
CPU Differential Amplitude: AUTO
CPU Clock Skew: AUTO
CPU Spread Spectrum: Disabled
IOH Clock Skew: AUTO
PCIE Spread Spectrum: Disabled

CPU Advance Settings
C1E Support: Disabled
Hardware Prefetcher: Enabled
Adjacent Cache Line Prefetcher: Enabled
Intel (R) Virtualization Tech: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
Intel (R) HT Technology: Enabled
Active Processor Cores: ALL
A20M: Disabled
Intel (R) C-State Tech: Disabled
****************************
Express Gate: Disabled
You can try the above in read, or maybe it might just need more vcore.
 
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Will do CP. Thanks for the help. Trying to lay down a baseline for 200x21 with higher uncore, ram, and tight timings right now so will try your suggestions tomorrow.

BTW, I'm loving this Noctua D14. Running 1.4 vcore in bios and comes out to about 1.32 vcore in CPU-Z with vdroop. Barely getting over 80C and core spread is only 5C from hottest to coldest core. I have not lapped the Noctua or the chip. Ambient is 26C which is 2C higher than normal because heater is on right now. All of this and not to mention that the 230mm CM HAF fans are louder than the fans on this thing. All in all it is just pure awesomeness! :rockout:
 

Chicken Patty

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Will do CP. Thanks for the help. Trying to lay down a baseline for 200x21 with higher uncore, ram, and tight timings right now so will try your suggestions tomorrow.

BTW, I'm loving this Noctua D14. Running 1.4 vcore in bios and comes out to about 1.32 vcore in CPU-Z with vdroop. Barely getting over 80C and core spread is only 5C from hottest to coldest core. I have not lapped the Noctua or the chip. Ambient is 26C which is 2C higher than normal because heater is on right now. All of this and not to mention that the 230mm CM HAF fans are louder than the fans on this thing. All in all it is just pure awesomeness! :rockout:
Anyway I can help bro :toast:

I'm loving the Noctua too, and I don't even have one :D
 
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:laugh:

I'm waiting to see how well the Prolimatech version does. I'm not going to change as I don't have the money even if I wanted to. I'm just interested at how much bigger these things can get while still providing improvements.

I'm kind of tempted to take the fans off of it and see if I can do passive in the HAF case at stock clocks.
 

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:laugh:

I'm waiting to see how well the Prolimatech version does. I'm not going to change as I don't have the money even if I wanted to. I'm just interested at how much bigger these things can get while still providing improvements.

I'm kind of tempted to take the fans off of it and see if I can do passive in the HAF case at stock clocks.
My Megashadow worked great passively. Temps were slightly over 50ºc at stock clocks.
 
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I'm working on 200x20 with 1600MHz @ 8-7-7-18 timings right now. Trying to see how low I can get the voltages for 4.0. I'm liking the idea of less heat, its nice to see the idle in the mid 30's. :)
 
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Anyone found any use for cpu and ioh delay?
 

Chicken Patty

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Benchmark Scores Real man crunch for TPU! :)
I'm working on 200x20 with 1600MHz @ 8-7-7-18 timings right now. Trying to see how low I can get the voltages for 4.0. I'm liking the idea of less heat, its nice to see the idle in the mid 30's. :)
Yes, sometimes seen a nice stable and conservative overclock is very pleasing :)

Anyone found any use for cpu and ioh delay?
Not familiar with that setting, sorry :(
 
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