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E6750 & Gigabyte P35C-DS3R Overclocking Thread

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I'm not going to push it more. 🙂 I wish I had another expendible computer to play around with though.

I can run 3.2OC with all bios settings at stock. I really don't know how much stress 3.6OC really puts on a CPU. I have read that it can take a couple of years off it's life. But they can last 10 years. I will have upgraded long before 8 years 🙂


I'm not sure if it was the printer that caused the bios reset but I just wanted to note it for reference. It might help somebody else in the future.
 
I'm real happy with 3.6GHz rock solid. It's all I wanted when I upgraded to this CPU. I'm not even going to bother trying for higher.

What I really want now is the GeForce 9800, my 8800 is a year old in a month and I'm ready for the next gen.

 
I ran orthos all night and this morning when I woke up for work it was still going ~9 hours so at these settings I am calling it stable.

@Conjugal I agree that I should be able to run these sticks at the tighter timings. They are rated for it, up to 2.2 at the tight timings. CPU_Z even shows them as rated to 2.3 if I want to run them at 500mhz in the spd tab. I am running vista home premium. I will tweak with this OC for a while I think, then dive back into the memory and see if I can get it to run at the tighter timings. I have run these sticks through a couple of passes in Memtest a while ago but not since I have been having these latest issues with them.

Here are my bios settings. For this latest stable Overclock. Let me know if you see something out of whack.

Standard CMOS Settings - Page 1

IDE Channel 0 Master - Hard Drive(OS on Raptor)
IDE Channel 4 Master - DVD + RW
Raid 1 on the gigabyte sata ports
Floppy 3 Mode Support - Disabled

Advanced Bios Features - Page 2

S.M.A.R.T. - disabled
Limit CPUID Max. to 3 - disabled
No-Execute Memory Protect - enabled
CPU Enhanced Halt (C1E) - disabled ( plan to enable after getting stable OC)
CPU Thermal Monitor 2(TM2) - enabled
CPU EIST Function - disabled ( plan to enable after getting stable OC)
Virtualization Technology - disabled
Full Screen Logo Show - disabled
INIT Display First - PEG

Integrated Peripherals - Page 3

SATA RAID/AHCI Mode - AHCI
SATA Port 0-3 Native Mode - Enabled
USB Controller - enabled
USB 2.0 Controller - enabled
USB Keyboard Support -enabled
USB Mouse Support - enabled
Legacy USB Storage Detect - disabled
Azalia Codec - disabled
Onboard H/W LAN - enabled
Onboard SATA/IDE Device - enabled
Onboard SATA/IDE Ctrl Mode - raid
Parallel Port Mode - disabled

Power Management Setup - page 4

ACPI Suspend Type - S3(STR)
HPET Support - enabled

PnP/PCI Configurations - page 5

Resources Controlled by - Auto
PCI Latency Timer (CLK) - 32

PC Health Status - page 6

CPU Warning Temperature - 70C/158F
CPU Fan Fail Warning - enabled
System Fan 1 Fail Warning - disabled
System Fan 2 Fail Warning - disabled
Power Fan Fail Warning - disabled
SMART Fan Control Method - disabled
SMART Fan Control Mode - Auto

MB Intelligent Tweaker (MIT) - page 7

Robust Graphics Booster - Auto
CPU Clock Ratio - 8X
CPU Host Clock Control - enabled
CPU Host Frequency - 400
PCI Express Frequency - 102
C.I.A. 2 - disabled
System Memory Multiplier - 2.00
Memory Frequency - 800
High Speed DRAM DLL Settings - Option 1
Performance Enhance -Standard
DRAM Timing Selectable - Manual
CAS Latency Time - 5
DRAM RAS# to CAS# Delay - 5
DRAM RAS# Precharge - 5
Precharge Delay(tRAS) - 16
ACT to ACT Delay(tRRD) - Auto
Rank Write to Read Delay - Auto
Write to Precharge Delay - Auto
Refresh to ACT Delay - 0
Read to Precharge Delay - Auto
tRD - Auto
tRD Phase Adjustment - Auto
System Voltage Control - Manual
DDR2/DDR3 Overvoltage Control - +0.1V
PCI-E Overvoltage Control - Normal
FSB Overvoltage Control - +.1
(G)MCH Overvoltage Control - +0.1V
CPU Voltage Control - 1.3870V
Normal CPU Voltage - 1.3500V
 
Originally posted by: jcossin
I'm real happy with 3.6GHz rock solid. It's all I wanted when I upgraded to this CPU. I'm not even going to bother trying for higher.

What I really want now is the GeForce 9800, my 8800 is a year old in a month and I'm ready for the next gen.
Click to expand...

im waiting for one aswell, i wish they would hurry up.

oh and guess what? my fricking 9700Pro packed in on my 2nd PC so ive been looking for another when i stumbled on an ATI X1800XL All in Wonder card for £46 at www.aria.co.uk 46 quid, so i bought and fitted it and then realised it was faster than my 7600GT so quickly swapped em.......wooohoo.

http://www.aria.co.uk/SuperSpe...PCI-E+?productId=28498

its only a little faster but has 16 pipes 7600GT has 12 and is 256bit instead of 128bit.

Score diffrence all rounded off.

3dmark05

7600GT- 6800
1800XL- 8500

3dmark06

7600GT- 3500
1800XL- 4400

Not bad eh.

 

@random - I think you're doing great, don't you? Stable at 3.2GHz. You might want to try the following now:

DDR2/DDR3 Overvoltage Control - +0.2V
PCI-E Overvoltage Control - Normal
FSB Overvoltage Control - Normal
(G)MCH Overvoltage Control - Normal
CPU Voltage Control - 1.3870V
Normal CPU Voltage - 1.3500V

Let's return FSB and (G)MCH to Normal voltages - I don't believe you'll need to overvolt there for a stable overclock at 3.2. And I suggest bumping the DDR2 up - this should put you in the range of 2.0-2.1v on your Ram. Now run your Orthos again for several hours. I will not be surprised if you are again stable. Please confirm that you are running Orthos version 0.41.110.18 - compatible with Core 2 Duo. Run the "Small FFTs - Stress CPU" test and confirm that you see two threads running, one on each core.

When you've confirmed stability, it will be time to try lowering your Ram timings to 4-4-4-12. Stay in touch.

Regards,
 
Yes I am happy with the OC I have now, if I can't improve, it will not be a huge deal. I would like to just refine it as best I can. I will give these new settings a try tonight.
As for version of Orthos I will check. Whatever version I have it maxes out both cores though I know that. I have been running the blend test however.

thanks
 
Guys,
I just built my system. I have left everything at default in the BIOS, My profile (see below) states my system. I'm a newbie at OC'ing. However, I ran Prime95 and I quickly get a rounded error Says FATAL ERROR - Rounding was 0.5, expecting value of 0.4; HARDWARE failure detected consult stress.txt.

Any thoughts on this. After some research I think it might be memory timings related or bad CPU seating.

Cheers

Tiberius72
 
@random, you shouldn't need +0.1 on the FSB or MCH at 3.2GHz. I need neither for 3.6GHz. You also want to get you ram to its tighter specs. If they're rated for 2.2v, what's the point in running them at 1.9v and having to loosen the timings? It's just wasted performance for no benefit.

@tiberius72, you really should try to read some of this thread and the similar forum in the motherboard section as your problem has probably been answered many times over. However, to save you some time, I suggest you look at your memory since the default voltage on this board is 1.8v which wont be enough for those Ballistix if the BIOS has used a multiplier to run them at DDR2-800 which I think it does on auto setting. What makes you think bad cpu seating - are you seeing high temps?
 
Originally posted by: 5t3v0

I suggest you look at your memory since the default voltage on this board is 1.8v which wont be enough for those Ballistix if the BIOS has used a multiplier to run them at DDR2-800 which I think it does on auto setting.
Click to expand...




Are you still a non believer in the memory overvoltaged theory? :laugh:
 
Originally posted by: Conjugal Visit

@random - I think you're doing great, don't you? Stable at 3.2GHz. You might want to try the following now:

DDR2/DDR3 Overvoltage Control - +0.2V
PCI-E Overvoltage Control - Normal
FSB Overvoltage Control - Normal
(G)MCH Overvoltage Control - Normal
CPU Voltage Control - 1.3870V
Normal CPU Voltage - 1.3500V

Let's return FSB and (G)MCH to Normal voltages - I don't believe you'll need to overvolt there for a stable overclock at 3.2. And I suggest bumping the DDR2 up - this should put you in the range of 2.0-2.1v on your Ram. Now run your Orthos again for several hours. I will not be surprised if you are again stable. Please confirm that you are running Orthos version 0.41.110.18 - compatible with Core 2 Duo. Run the "Small FFTs - Stress CPU" test and confirm that you see two threads running, one on each core.

When you've confirmed stability, it will be time to try lowering your Ram timings to 4-4-4-12. Stay in touch.

Regards,
Click to expand...

@mrfatboy - you convinced me on the overvolt! See above. Plus 0.2v on "1.8v default" and I'm quoting it as somewhere between 2.0-2.1v. Maybe the board is smarter than we give it credit. Remember the angst over the "Failed" message at VDimm? Perhaps the board reads the EPP or SPD on the ram, looks at the 0.3v we were applying, and says "overvolt?!" That's my theory, by golly by gosh.

Regards,
 
I can't wait to see what Gigabyte says about all of this. I'm not holding my breath though 🙂

I did read about somebody speculating that this board needed the default 2.0v memory because of the DDR3 ability. I don't know anything about ddr3 and when to the newegg webite and looked at the DDR3 modules. The default voltages were all over the map so I don't put too much into that speculation.
 
Originally posted by: honolululu
Originally posted by: mrfatboy

The temps are correct also without adding 15C 🙂
Click to expand...

Weird. I still have to add 15C. Unless I'm at 25C. 😎

CoreTemp 0.95.4 I don't.
Click to expand...



My bad! I thought it would be a new clean install. it wasn't totally. My offsets are still being used. So it's still not fixed! Crap.
 
Originally posted by: mrfatboy
Originally posted by: honolululu
Originally posted by: mrfatboy

The temps are correct also without adding 15C 🙂
Click to expand...

Weird. I still have to add 15C. Unless I'm at 25C. 😎

CoreTemp 0.95.4 I don't.
Click to expand...



My bad! I thought it would be a new clean install. it wasn't totally. My offsets are still being used. So it's still not fixed! Crap.
Click to expand...

Seems to work for me - Speedfan reporting 43C at idle, which seems about right.
 
Originally posted by: Conjugal Visit

@random - I think you're doing great, don't you? Stable at 3.2GHz. You might want to try the following now:

DDR2/DDR3 Overvoltage Control - +0.2V
PCI-E Overvoltage Control - Normal
FSB Overvoltage Control - Normal
(G)MCH Overvoltage Control - Normal
CPU Voltage Control - 1.3870V
Normal CPU Voltage - 1.3500V

Let's return FSB and (G)MCH to Normal voltages - I don't believe you'll need to overvolt there for a stable overclock at 3.2. And I suggest bumping the DDR2 up - this should put you in the range of 2.0-2.1v on your Ram. Now run your Orthos again for several hours. I will not be surprised if you are again stable. Please confirm that you are running Orthos version 0.41.110.18 - compatible with Core 2 Duo. Run the "Small FFTs - Stress CPU" test and confirm that you see two threads running, one on each core.

When you've confirmed stability, it will be time to try lowering your Ram timings to 4-4-4-12. Stay in touch.

Regards,
Click to expand...


You and 5t3v0 were right in that I did not need the bump in voltage to the FSB and MCH. I dropped these both back to normal and re-ran rothos 0.41.110.18 and am still stable so this is good. I can now work on the timing of the memory. I did bump the memory volts to +.2 and speedfan reads it as 2.1 so there is an extra .1 volts floating around in there from what I set. This must be by design as every board in the forum does this. So when I reset the tighter timings I am planning on only bumping the memory volts to +.3 as this will more closely correspond to the rated 2.2 of these sticks and see if it will pass a couple rounds of memtest and then orthos overnight again.

I have one quick question in regards to the EIT and EIST concerning the lowering of the multiple and the volts of the CPU in idle states. I have them disabled for the purpose of finding my stable OC, but plan on using these once I do. I have gone into Vista's power option and followed the directions from the intel sheet that you linked to conjugal. However in vista there is no simple enable or disable the EIT technology, it asks that you specify a percentage as a minimum processor, I set this to %50. Should it be %0? Or is this alright?

thanks for all the help
 
Gigabyte Trouble Ticket Update

I just got a reply from Gigabyte GGTS. I asked them about the memory voltages for the P35C and the Cycle-Boot probem. It took 3 days for an answer. Here is the crappy answer they gave me. Of course, I gave them all of the excruitating details and it is as if they didn't even read my ticket and just cut and pasted a stock answer. 🙁 I followed up with an addendum to the trouble ticket but I'm not expecting much 🙁 It looks like we have to fend for ourselves 🙂



Answer : It should default at 1.8v, which utility you are using to view the voltage and any particular issue you are experiencing?

Did you checked all hardwares and attempted to test with the minimal components installed?
Check the videocard and memory by swapping it out and testing with single stick
 
Originally posted by: random betrayal
Originally posted by: Conjugal Visit

@random - I think you're doing great, don't you? Stable at 3.2GHz. You might want to try the following now:

DDR2/DDR3 Overvoltage Control - +0.2V
PCI-E Overvoltage Control - Normal
FSB Overvoltage Control - Normal
(G)MCH Overvoltage Control - Normal
CPU Voltage Control - 1.3870V
Normal CPU Voltage - 1.3500V

Let's return FSB and (G)MCH to Normal voltages - I don't believe you'll need to overvolt there for a stable overclock at 3.2. And I suggest bumping the DDR2 up - this should put you in the range of 2.0-2.1v on your Ram. Now run your Orthos again for several hours. I will not be surprised if you are again stable. Please confirm that you are running Orthos version 0.41.110.18 - compatible with Core 2 Duo. Run the "Small FFTs - Stress CPU" test and confirm that you see two threads running, one on each core.

When you've confirmed stability, it will be time to try lowering your Ram timings to 4-4-4-12. Stay in touch.

Regards,
Click to expand...


You and 5t3v0 were right in that I did not need the bump in voltage to the FSB and MCH. I dropped these both back to normal and re-ran rothos 0.41.110.18 and am still stable so this is good. I can now work on the timing of the memory. I did bump the memory volts to +.2 and speedfan reads it as 2.1 so there is an extra .1 volts floating around in there from what I set. This must be by design as every board in the forum does this. So when I reset the tighter timings I am planning on only bumping the memory volts to +.3 as this will more closely correspond to the rated 2.2 of these sticks and see if it will pass a couple rounds of memtest and then orthos overnight again.

I have one quick question in regards to the EIT and EIST concerning the lowering of the multiple and the volts of the CPU in idle states. I have them disabled for the purpose of finding my stable OC, but plan on using these once I do. I have gone into Vista's power option and followed the directions from the intel sheet that you linked to conjugal. However in vista there is no simple enable or disable the EIT technology, it asks that you specify a percentage as a minimum processor, I set this to %50. Should it be %0? Or is this alright?

thanks for all the help
Click to expand...

@random - I am pleased that we've been of some help. I knew that you'd have very little trouble getting your rig stable. One simply needs to move one step a time, as you have done.

As to your ram - prevailing "wisdom" is that the MB "overvolts" DDR/VDimm by 0.07-0.1v. Mrfatboy, there, is trying to confirm this as we speak. Frankly and personally, I'm not willing to say that CPU-Z or Everest or Speedfan are necessarily accurate either, but that's the prevailing opinion. You say your ram is spec'd at 2.2v at the tighter timings of 4-4-4-12, yes? Then do the following: enter your Bios menu / press Cntl-F1 to get access to your voltages and memory timings / set your System Memory Multiplier to 2.00 / change your ram timings to 4-4-4-12 (leave everything else alone) / set DDR2/DDR3 overvoltage to +0.3v / hit ESC / save changes and reboot.

If you are running Memtest from a floppy, please ensure that you've set your Bios to look for the floppy first on boot. Then run Memtest for a couple of hours. I do not anticipate you having any trouble running Memtest error-free. After the test runs maybe 8-10 cycles, hit ESC, and your rig starts the reboot. Hit Delete as reboot begins, enter your Bios and specify your Hard Disk as First device to boot to. Boot to windows and begin your Orthos testing. Again, i don't anticipate any issues here either.

As to EIST and C1E - I'm an XP SP2 user. I can't help you very much re: Vista. Google the issue and I guarantee you'll get some hits.

Regards,
 
Originally posted by: mrfatboy
Gigabyte Trouble Ticket Update

I just got a reply from Gigabyte GGTS. I asked them about the memory voltages for the P35C and the Cycle-Boot probem. It took 3 days for an answer. Here is the crappy answer they gave me. Of course, I gave them all of the excruitating details and it is as if they didn't even read my ticket and just cut and pasted a stock answer. 🙁 I followed up with an addendum to the trouble ticket but I'm not expecting much 🙁 It looks like we have to fend for ourselves 🙂



Answer : It should default at 1.8v, which utility you are using to view the voltage and any particular issue you are experiencing?

Did you checked all hardwares and attempted to test with the minimal components installed?
Check the videocard and memory by swapping it out and testing with single stick
Click to expand...

What a fucking cop out, Theres no such thing as customer support, if people did their jobs properly then there would be less stress and everyone would be almost happy.

 
Originally posted by: random betrayal
I have one quick question in regards to the EIT and EIST concerning the lowering of the multiple and the volts of the CPU in idle states. I have them disabled for the purpose of finding my stable OC, but plan on using these once I do. I have gone into Vista's power option and followed the directions from the intel sheet that you linked to conjugal. However in vista there is no simple enable or disable the EIT technology, it asks that you specify a percentage as a minimum processor, I set this to %50. Should it be %0? Or is this alright?

thanks for all the help
Click to expand...

Default for the Balanced & Power Saver plans is 5% but 50% is enough to get the lowest x6 multiplier. EIST will only reduce your voltage if you're still on auto in the BIOS. If you've manually set your cpu voltage, it does nothing.
 
Originally posted by: random betrayal
So when I reset the tighter timings I am planning on only bumping the memory volts to +.3 as this will more closely correspond to the rated 2.2 of these sticks and see if it will pass a couple rounds of memtest and then orthos overnight again.
Click to expand...

I have the same Patriot RAM as you and I run at 4-4-4-12 at 900MHz with no errors in MemTest. I am using +.4 in the BIOS for RAM voltage. I don't have the -DSR3 board though since I didn't need all the extra SATA ports and RAID, so perhaps my BIOS is actually doing things correctly and setting my RAM to 2.2V.

I DO know that if I use +.3V in the BIOS for the DDR then I fail memtest rather quickly and as my RAM is rated at 2.2V for the 4-4-4-12 timings, I feel pretty confident that in my bios +.4V is giving me the correct 2.2V I need to run stable. My RAM is barely warm to the touch even after playing a long gaming session. Of course I'm sure the Antec 900 case is helping!
 
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