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Thread: Bought a Q9550. The quest for 4Ghz starts now.




  1. #91

    Default Re: Bought a Q9550. The quest for 4Ghz starts now.

    You want 4ghz on a q9550.

    Your vcore needs to be higher. Around 1.32ish
    Also increasing your mch ref by one step and your mch dram ref by one step helps greatly on the quad core.

  2. #92

    Default Re: Bought a Q9550. The quest for 4Ghz starts now.

    Quote Originally Posted by Chike View Post
    The only things that have changed since you last posted ET6 screen capture is MCH Core, and vcore which is now lower.
    The other IBT run had better results and 2c more core temps. You did use more memory but also higher vcore.
    Try to raise vcore back to 1.26875v and run IBT again and see if results get better.
    No need to reboot for the test, you can change it in ET6, click set at the bottom and run IBT standard again. If results are better, you will need to set in in BIOS too.
    Yeah you're right. I'm also not convinced upping the MCH had any effect. I was previously stableat 1.10 MCH. Kinda weird how things change after a cold boot. I will do as you suggest and see what happens.

    Quote Originally Posted by Sunburn74 View Post
    You want 4ghz on a q9550.

    Your vcore needs to be higher. Around 1.32ish
    Also increasing your mch ref by one step and your mch dram ref by one step helps greatly on the quad core.
    Hi Sunburn. Thanks for the feedback & suggestion. No one said the road would be easy. Lol.
    Last edited by Lodingi; 10-25-2009 at 04:36 AM.
    Antec Twelve Hundred Case**Gigabyte EP45-UD3P Rev 1.1 - F8 BIOS**BFG EX-1000 PSU**Intel Q9550 @ Stock**CM Hyper-212 Plus Cooler**G.Skill 4x2 GB DDR2 1000**2xWD 1TB Caviar Black 32MB Cache Raid0**Maxtor One Touch 4 Plus 1 TB **Vision-Tek Radeon 4870X2 (2 gig)**Asus VE276Q 27" Monitor**Win7 Ultimate 64

  3. #93

    Default Re: Bought a Q9550. The quest for 4Ghz starts now.

    Nah its not easy. Took me about 2 weeks to get my q9550 rock solid stable at 4hz. The kicker was increasing the mch ref and the mch dram ref by one step each. The vcore thing was obvious when I simply checked out oc forums and read what most people where ending up with.

  4. #94
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    Default Re: Bought a Q9550. The quest for 4Ghz starts now.

    You could go up to 450 FSB next if your testing is stable...

  5. #95

    Default Re: Bought a Q9550. The quest for 4Ghz starts now.

    I'm running IBT and it seems slower than before. I did increase the ram to 90% usage. It's gone from 48 Gflops down to 46 Gflops. It's on the 3rd pass of 10.
    Antec Twelve Hundred Case**Gigabyte EP45-UD3P Rev 1.1 - F8 BIOS**BFG EX-1000 PSU**Intel Q9550 @ Stock**CM Hyper-212 Plus Cooler**G.Skill 4x2 GB DDR2 1000**2xWD 1TB Caviar Black 32MB Cache Raid0**Maxtor One Touch 4 Plus 1 TB **Vision-Tek Radeon 4870X2 (2 gig)**Asus VE276Q 27" Monitor**Win7 Ultimate 64

  6. #96

    Default Re: Bought a Q9550. The quest for 4Ghz starts now.

    Well IBT crashes on the 3rd pass. Gonna drop the vcore back down to 1.2625.
    Last edited by Lodingi; 10-25-2009 at 07:04 AM.
    Antec Twelve Hundred Case**Gigabyte EP45-UD3P Rev 1.1 - F8 BIOS**BFG EX-1000 PSU**Intel Q9550 @ Stock**CM Hyper-212 Plus Cooler**G.Skill 4x2 GB DDR2 1000**2xWD 1TB Caviar Black 32MB Cache Raid0**Maxtor One Touch 4 Plus 1 TB **Vision-Tek Radeon 4870X2 (2 gig)**Asus VE276Q 27" Monitor**Win7 Ultimate 64

  7. #97
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    Default Re: Bought a Q9550. The quest for 4Ghz starts now.

    I really doubt the vcore caused IBT to fail that quick, it was probably another setting.

    If you are still at 435 FSb try these net time.

    Code:
    CPU Vcore.............1.2500.........: 1.2500 <--+ 2 clicks
    CPU Termination…......1.200V*........: 1.200 <--1.260
    If that helps leave it that way, then and add one click to the CPU Reference. If that is worse go back one click on CPU Reference.

  8. #98

    Default Re: Bought a Q9550. The quest for 4Ghz starts now.

    No. We seem to have 435 stable. I bumped the fsb to 450. I played around with the vcore & MCH and here's the summary.

    - bumped the vcore to 1.2625. I was able to log into Windows where the computer immediately rebooted (no BSOD).

    - Raised the vcore to 1.26875. Started IBT and got a BSOD (code ended 124).

    - Raised vcore to 1.275. Ran IBT. Got a BSOD (code 101) on the 3rd pass.

    - Raised the vcore to 1.2875. Got a BSOD (code 101) on the 2nd pass.

    - Dropped the vcore to 1.275 & raised the MCH to 1.20. Logged into Windows & immediate reboot (no BSOD).

    - 1.28125 vcore & 1.20 MCH resulted in the computer hanging just before the log in screen.

    - 1.28125 vcore & 1.10 MCH resulted in the computer hanging just before the log in screen.

    - 1.275 vcore & 1.10 MCH resulted in the computer hanging just before the log in screen.

    - Loaded optimized defaults. Rebooted and put in the same settings with 1.28125 vcore & 1.20 MCH resulted in a BSOD (Code 124).

    - Back to stable 3.7 settings.
    Antec Twelve Hundred Case**Gigabyte EP45-UD3P Rev 1.1 - F8 BIOS**BFG EX-1000 PSU**Intel Q9550 @ Stock**CM Hyper-212 Plus Cooler**G.Skill 4x2 GB DDR2 1000**2xWD 1TB Caviar Black 32MB Cache Raid0**Maxtor One Touch 4 Plus 1 TB **Vision-Tek Radeon 4870X2 (2 gig)**Asus VE276Q 27" Monitor**Win7 Ultimate 64

  9. #99
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    Default Re: Bought a Q9550. The quest for 4Ghz starts now.

    I think its time to play with your reference voltages some. Try these settings... for 450 FSB.

    vcore to 1.2625, CPU Term to + 1 click (approx .793)
    Last edited by Conners; 10-25-2009 at 11:18 AM.

  10. #100
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    Default Re: Bought a Q9550. The quest for 4Ghz starts now.

    I changed my mind Loadingi do this instead.

    Code:
    Ok lets do this in a methotical way, which is what you should be doing any way.
     
    1. Set to your 4.35 stable settings.
     
    2. Start with raising vcore one click at a time and test.
    2a. If doing so is stable for two clicks stop and go to 3 if not goto 2b.
    2b. Lower to best stable setting.
     
    3. Raise CPU term one click at a time and test.
    3a. If doing so is stable for two clicks stop and go to 4 if not goto 3b.
    3b. Lower to best stable setting.
     
    4. Raise CPU PLL one click at a time and test.
    4a. If doing so is stable for two clicks stop and go to 5 if not goto 4b.
    4b. Lower to best stable setting.
     
    5. Raise CPU term one click at a time and test.
    5a. If doing so is stable for two clicks stop and go to 6 if not goto 5b.
    5b. Lower to best stable setting.
     
    6. Raise CPU Reference one click at a time and test.
    6a. If doing so is stable for two clicks stop and go to 7 if not goto 6b.
    6b. Lower to best stable setting.
     
    7. Raise MCH Core one click at a time and test.
    7a. If doing so is stable for two clicks stop and go to 8 if not goto 7b.
    7b. Lower to best stable setting.  (note since you use 8 GB ram you may need to go down 2 clicks instead of up)
     
    8. Raise MCH Reference one click at a time and test.
    8a. If doing so is stable for two clicks stop and go to 9 if not goto 8b.
    8b. Lower to best stable setting.
     
    9. Raise ICH I/O one click at a time and test.
    9a. If doing so is stable for two clicks stop and go to 10 if not goto 9b.
    9b. Lower to best stable setting.
     
    10. Raise ICH Core one click at a time and test.
    10a. If doing so is stable for two clicks stop and go to 11 if not goto 10b.
    10b. Lower to best stable setting.
     
    11 Your Done!
    One other possibility is to lower/raise your dram voltage some.
    Last edited by Conners; 10-25-2009 at 12:32 PM.

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