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Gigabyte GA-P35-DS3L Thread - Page 68

post #671 of 4644
CPU-Z
Some reason my mobo likes to change my clock multiplier randomly between 9 and 6. I set it to 9 but some reason it just loves to change it down to 6. I get full speed only when its under load. I also can't seem to increase my bus speed above 400 mghz or else it won't boot. I have Freezer 7 Pro for cooling. I'm supposedly supposed to be able to hit 3.6-3.7ghz with this combination yet only hit at most 3.4ghz. I can't manually set my voltage without it failing to boot also. Help
post #672 of 4644
1) Your multiplier is changing because of power saving features. Probably every page of this thread explains how to disable this (C1E and such need to be disabled)

2) If it's not booting on manual voltage, you need to raise it. Try setting Vcore to 1.37 or so for 3.4GHz. If that doesn't work, go back to stock FSB and raise it slowly adding voltage when you start seeing problems.
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Lots of SATAs Sony DVD+-RW, Samsung Lightscribe DVD+-RW Vista Ultimate 32bit Samsung 22" LCD 
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post #673 of 4644
I seem to have a strange problem. When I go to set the voltage for my ram in my BIOS, I can select +.1 to .3, but lets say I select +.4, I go to the menu above the overclocking one (cant remember name), it'll say DR something, voltage failed. When I go back to the overclocking menu, and I high lite the ram voltage options, I don't see it as being high lited. It doesn't skip it but it just doesn't show! Also my ram has horrible timings. I tried adjusting the timings to 4-4-4-12 as advertised, but will not boot, not even if I run it at 760mhz. I'm running 912mhz, 5-6-6-18 2t 2.1v 5:6 divider.
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post #674 of 4644
Quote:
Originally Posted by Sylon View Post
I seem to have a strange problem. When I go to set the voltage for my ram in my BIOS, I can select +.1 to .3, but lets say I select +.4, I go to the menu above the overclocking one (cant remember name), it'll say DR something, voltage failed. When I go back to the overclocking menu, and I high lite the ram voltage options, I don't see it as being high lited. It doesn't skip it but it just doesn't show! Also my ram has horrible timings. I tried adjusting the timings to 4-4-4-12 as advertised, but will not boot, not even if I run it at 760mhz. I'm running 912mhz, 5-6-6-18 2t 2.1v 5:6 divider.
Perhaps the overclock on your RAM won't allow you to tighten the timings. What I'd suggest is trying to lower one at a time (maybe start with 5-5-6-18 first) and see if you can get it to tighten up that way. Oh, did you test your RAM? Perhaps you have a faulty stick?

As for the menu problem: can you have a look in your BIOS and tell us exactly what setting that 'voltage failed' message is under?

Quote:
Originally Posted by Ironman56 View Post
CPU-Z
Some reason my mobo likes to change my clock multiplier randomly between 9 and 6. I set it to 9 but some reason it just loves to change it down to 6. I get full speed only when its under load. I also can't seem to increase my bus speed above 400 mghz or else it won't boot. I have Freezer 7 Pro for cooling. I'm supposedly supposed to be able to hit 3.6-3.7ghz with this combination yet only hit at most 3.4ghz. I can't manually set my voltage without it failing to boot also. Help
As rcf22 noted: disable C1E and EIST (both are found in your Advanced BIOS Features tab in your main BIOS menu).

As well, as noted, you'll need to add more vcore if you want to raise your FSB. You can only go so far on the stock voltage before the system will become unstable and refuse to boot without adding more voltage. Can you elaborate on what you mean by you can't manually set your voltage without it failing to boot? I know what you're saying, but can you give details? What did you set iit to and did you get any error messages or just no boot whatsoever?

Finally, you cannot predict exactly what you're going to get out of your chip as far as an OC is concerned. Just because others report 3.6 to 3.7 GHz with the same chip doesn't mean you'll be able to as well. Every chip OCs differently even from the same run.
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E6750 @ 3.6 GHz 1.46875 vcore Gigabyte P35 DS3L Rev. 2 EVGA 8800 GT Mushkin HP PC6400 DDR2 @ 900MHz 
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post #675 of 4644
Quote:
Originally Posted by Coelocanth View Post
Finally, you cannot predict exactly what you're going to get out of your chip as far as an OC is concerned. Just because others report 3.6 to 3.7 GHz with the same chip doesn't mean you'll be able to as well. Every chip OCs differently even from the same run.

I know this first hand, because I own 2 of these boards. BOTH have the E6750. One will OC to 3.4Ghz and the other only to 3.3Ghz. The only difference between the 2 builds is that the 2nd one has a 450w el cheapo power supply and the 1st one has a name brand 550w. I think power supply choice has a lot to do with it as well.
post #676 of 4644
Quote:
Originally Posted by Coelocanth View Post
As well, as noted, you'll need to add more vcore if you want to raise your FSB. You can only go so far on the stock voltage before the system will become unstable and refuse to boot without adding more voltage. Can you elaborate on what you mean by you can't manually set your voltage without it failing to boot? I know what you're saying, but can you give details? What did you set iit to and did you get any error messages or just no boot whatsoever?

Finally, you cannot predict exactly what you're going to get out of your chip as far as an OC is concerned. Just because others report 3.6 to 3.7 GHz with the same chip doesn't mean you'll be able to as well. Every chip OCs differently even from the same run.
Ok, I managed to disable those power saving features and figured out whats going wrong. This is the highest settings I can hit without it blue screening on me: CPU-Z
Voltage: 1.408
For some reason if I try to use a manual Vcore setting my computer won't even load the Bios splash screen. It just turns on, powers off, turns off the overclock, then powers back on.
post #677 of 4644
Posted a little earlier with results of the E2160 running at 3.28 GHz @ 410 x 8.

Do I have any reasonable expectations of running any faster with a better than stock Intel fan?

Does dropping $20-$60 more on a fan net me any real gains?

I think I'm right at about the limit with 410x8. If I jump to 415 XP will boot but I'll get an error and Orthos forces a reboot. 410 will run Orthos all day long.

Should I get another fan and jam some voltages up? Mostly I'm just playing here to see what can happen.

John
post #678 of 4644
Quote:
Originally Posted by JapanJohn View Post
Posted a little earlier with results of the E2160 running at 3.28 GHz @ 410 x 8.

Do I have any reasonable expectations of running any faster with a better than stock Intel fan?

Does dropping $20-$60 more on a fan net me any real gains?

I think I'm right at about the limit with 410x8. If I jump to 415 XP will boot but I'll get an error and Orthos forces a reboot. 410 will run Orthos all day long.

Should I get another fan and jam some voltages up? Mostly I'm just playing here to see what can happen.

John
JJ, I'm not all that familiar with that chip, so I don't know if you're at its limits or not, but an aftermarket heatsink will definitely keep your temperatures lower, which may allow you to add more vcore and thus raise your FSB further. Whether the gain would be worth the cash outlay... I don't know. I'd say if you can find a decent deal on a heatsink/fan assembly, then go for it (at worst you'll have your chip running cooler). Either way, it looks like you have a pretty nice overclock on that chip, so kudos on that!


Ironman: my rig reboots as well whenever I make a change in the BIOS, but the resetting problem doesn't happen to me. My BIOS has kept every setting I've thrown at it, even if the adjustment was unstable.

A couple things I can think of to look at:

- Is your RAM overclocked?
- Did you manually set your PCI Express Frequency (in your M.I.T) to 100 MHz?
- Is your RAM voltage set to its recommended specs? (This board's default RAM voltage is 1.8 volts, but a lot of the higher performance DDR2 RAM needs 2.1 or 2.2 volts to run stable)
- Is your RAM synced to your FSB (have you set the memory multiplier to 2.0)?
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E6750 @ 3.6 GHz 1.46875 vcore Gigabyte P35 DS3L Rev. 2 EVGA 8800 GT Mushkin HP PC6400 DDR2 @ 900MHz 
Hard DriveOptical DriveOSMonitor
WD 250 GB SATA2; Seagate 160 GB SATA Pioneer DVR-212D Windows XP SP2 Samsung SyncMaster 940B 
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PC P&C Silencer 750W Antec Nine Hundred 
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My Rig
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CPUMotherboardGraphicsRAM
E6750 @ 3.6 GHz 1.46875 vcore Gigabyte P35 DS3L Rev. 2 EVGA 8800 GT Mushkin HP PC6400 DDR2 @ 900MHz 
Hard DriveOptical DriveOSMonitor
WD 250 GB SATA2; Seagate 160 GB SATA Pioneer DVR-212D Windows XP SP2 Samsung SyncMaster 940B 
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post #679 of 4644
Okay John, I just did a bit of digging and found the following about your chip:

X-bit Labs report.

Hopefully that will help your decision on whether to try for further speed or not.
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CPUMotherboardGraphicsRAM
E6750 @ 3.6 GHz 1.46875 vcore Gigabyte P35 DS3L Rev. 2 EVGA 8800 GT Mushkin HP PC6400 DDR2 @ 900MHz 
Hard DriveOptical DriveOSMonitor
WD 250 GB SATA2; Seagate 160 GB SATA Pioneer DVR-212D Windows XP SP2 Samsung SyncMaster 940B 
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PC P&C Silencer 750W Antec Nine Hundred 
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My Rig
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CPUMotherboardGraphicsRAM
E6750 @ 3.6 GHz 1.46875 vcore Gigabyte P35 DS3L Rev. 2 EVGA 8800 GT Mushkin HP PC6400 DDR2 @ 900MHz 
Hard DriveOptical DriveOSMonitor
WD 250 GB SATA2; Seagate 160 GB SATA Pioneer DVR-212D Windows XP SP2 Samsung SyncMaster 940B 
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PC P&C Silencer 750W Antec Nine Hundred 
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post #680 of 4644
Thanks gents,

I followed the link and tried the settings in the article. I hadn't seen that one before. Right now I'm running at 9 x 378 @ 3.4 GHz and runinng Prime 95 which seems to be running fine although I'm still in the first 30 minutes.

What an awesome little chip. About $70 for 3.4 GHz. Can't beat that with a big stick.

Question. What's better? Prime 95 or Orthos?

John
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