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EVGA 750i FTW Overclock Thread - Page 224

post #2231 of 2885
Quote:
Originally Posted by jonny900 View Post
I use to have the same processor and motherboard, but I sold my q9400 and got a q9550 and the difference is unbelievable. Like you, I couldn't get past 3.2ghz on the q9400. I'm now stable at 3.9ghz on my new q9550. I would seriously consider upgrading your cpu, that is most likely that cause of your bad oc. Make sure to get E0 stepping if you get the 9550.
The thing is... it cant get past 2.886Ghz which is only about an 8% OC. Many people have told me to get a 9550 but i figured if i do that... I will just go i7 unless i can persuade my parents to buy it for me (i promised to take computer engineering classes along with my mechanical engineering lol). If they dont im just going to wait untill i get the money and go i7. I would of bought the i7 instead of a q9400, but honestly i didnt know anything about computers other than how to build a system 2 months ago lol. I know that i can get a q9550 at microcenter for $170 right now where as i can get an i7 for $200 but im buying a bloodrage and ddr3 ram which would total ~$650.
Edited by JNielson - 7/18/09 at 12:15pm
post #2232 of 2885
Quote:
Originally Posted by JNielson View Post
The thing is... it cant get past 2.886Ghz which is only about an 8% OC. Many people have told me to get a 9550 but i figured if i do that... I will just go i7 unless i can persuade my parents to buy it for me (i promised to take computer engineering classes along with my mechanical engineering lol). If they dont im just going to wait untill i get the money and go i7. I would of bought the i7 instead of a q9400, but honestly i didnt know anything about computers other than how to build a system 2 months ago lol. I know that i can get a q9550 at microcenter for $170 right now where as i can get an i7 for $200 but im buying a bloodrage and ddr3 ram which would total ~$650.
well I have not followed all of your posts so bear with me if some sugggestions have been made....

My suggestion to you:

Set vcore to 1.357
Set CPU FSB to 1.35 - 1.4
Set SPP to 1.5
Set Ram to 2.1v
timings 5-5-5-18
Memory to Auto and Ram to 1066
be sure to look through my guide in sig and Disable what I have shown there

Begin to raise FSB QDR 100 at a time til you become unstable or it doesnt boot.
If unstable the try bumping the vcore to 1.360
If no boot try upping the FSB QDR another 50 or lowering 50 (this will determin strapping aka holes)


be sure you have the latest bios.....


hope something helps. Unless the Q9400 is a bad OC'r, I dont see why you couldnt hit at least 3.2 - 3.4 with it.... It is an 8x multi correct??
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post #2233 of 2885
Quote:
Originally Posted by 10acjed View Post
well I have not followed all of your posts so bear with me if some sugggestions have been made....

My suggestion to you:

Set vcore to 1.357
Set CPU FSB to 1.35 - 1.4
Set SPP to 1.5
Set Ram to 2.1v
timings 5-5-5-18
Memory to Auto and Ram to 1066
be sure to look through my guide in sig and Disable what I have shown there

Begin to raise FSB QDR 100 at a time til you become unstable or it doesnt boot.
If unstable the try bumping the vcore to 1.360
If no boot try upping the FSB QDR another 50 or lowering 50 (this will determin strapping aka holes)


be sure you have the latest bios.....


hope something helps. Unless the Q9400 is a bad OC'r, I dont see why you couldnt hit at least 3.2 - 3.4 with it.... It is an 8x multi correct??
From what I've seen on these boards it's best to leave the ram at 800Mhz until you get the CPU stable. It's much easier on the NB. Yes, the board is rated for 1066 with 2 sticks, but technically 1066 is an OC. This is why the board is rated to 800Mhz with 4 sticks.
    
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post #2234 of 2885
Quote:
Originally Posted by 10acjed View Post
well I have not followed all of your posts so bear with me if some sugggestions have been made....

My suggestion to you:

Set vcore to 1.357
Set CPU FSB to 1.35 - 1.4
Set SPP to 1.5
Set Ram to 2.1v
timings 5-5-5-18
Memory to Auto and Ram to 1066
be sure to look through my guide in sig and Disable what I have shown there

Begin to raise FSB QDR 100 at a time til you become unstable or it doesnt boot.
If unstable the try bumping the vcore to 1.360
If no boot try upping the FSB QDR another 50 or lowering 50 (this will determin strapping aka holes)


be sure you have the latest bios.....


hope something helps. Unless the Q9400 is a bad OC'r, I dont see why you couldnt hit at least 3.2 - 3.4 with it.... It is an 8x multi correct??
Im going to try it and report back. Also i have gone through your guide like 50 times to make sure i didnt miss a setting lol
post #2235 of 2885
EPIC FAIL... somehow nHancer got corrupted and i cannot connect to the internet and the boot times really slow compared to when i first built it (i loaded default bios to find all of these things). my clock in windows is set to 11:06pm and will not let me set the time. I have this process called system interupt which i have never seen before in my life.

On the plus side i ran SuperPi and it finished in 17 seconds instead of 19-20. When it finished, it froze. (this was when i decided to just jump to 3.2Ghz because it didnt work at 2.9Ghz.)

EDIT: Is there anything else to try? I really would like to get this thing OC'd since i know for a fact it is bottleneck SLI gtx 260s OC'd to specs in sig. Also, it messed up EVGA precision as well (it runs since i hear the fans kick up but i cannot view/change settings or profiles). Anyone know how to get windows back to normal without losing anything or having to reinstall windows along with all of my programs? I dont get what i did to corrupt things... i mean my system recovered from things worse (someone setting my mem timings to 2-2-2-28 1T and running a divider that caused my memory to run at 1460Mhz. Only reason i know this is because the person told me that they messed up my computer). There is something wrong because my mouse pointer lags and so does typing a message (i tried typing this on my rig before using my mothers laptop and then i my internet was disconnected and i rebooted and still no internet and all other problems are still there).

I just hope there is a way to correct this without reinstalling or anything because my dad didnt want me to overclock it but why stay at a stock speed when you can get more performance? That was what i was thinking when i first went down this road 2 months ago. I think it is highly unlikely but is there anyway it could be my ram? I mean i ran 2 passes with memtest (i know it wasnt enough but i got bored and wanted to play crysis and of course my rig is the only one in my house that can lol). I also set my memory timings to 4-4-4-12 2T and 5-5-5-15 2T (also tried 1T) and it booted into windows and was able to do everyday things (warcraft 3 crashed but then again it tends to crash every 2 hours and i rarely play it lol).

I have a feeling my mobo is the problem since i lowered the multi and tried 1800 and all sorts of things and it hardlocks. Voltages seem to not matter what set to since it crashes at the same point no matter what. I dont think its the ram since i can mess with timings and overall stability is there. (when i OC the memory it crashes but not sure if it was just the speed since i only tried 850Mhz (actual 847Mhz)
Edited by JNielson - 7/18/09 at 4:11pm
post #2236 of 2885
    
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post #2237 of 2885
Quote:
Originally Posted by PizzaMan View Post
From what I've seen on these boards it's best to leave the ram at 800Mhz until you get the CPU stable. It's much easier on the NB. Yes, the board is rated for 1066 with 2 sticks, but technically 1066 is an OC. This is why the board is rated to 800Mhz with 4 sticks.
I was assuming it was 1066 ram.

Set ram to its default timings and frequency. Also 4 sticks and an OC is no good on the 750i ftw, been there done that. 3.0 was about the max. 2 sticks and your good.


Judging from your other post it seems either the bios got corrupted (hope not) or windows got corrupted. I would try doing a system restore or reformat with new install. Or flash the bios, but i would try the windows route first.

1800 FSB is about the limit on a good number of these boards with a c2q. If you really would rather not reinstall try a bios flash. But if the bios goes there is no reformat, then its RMA to nVidia time. But its when that lifetime warranty comes in handy. Just dont tell them you were messing with bios setting when it went bad..
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post #2238 of 2885
Yeah im going with windows... someone posted that there is a slight chance it could be driver conflicts or registry errors. Also, it is 1066Mhz RAM and 2 sticks. Is there any signs that can prove its a problem with my mobo? I have had people tell me its my cpu and others have told me its my mobo.
post #2239 of 2885
Even if it is 1066 it is still technically an OC for the board. That was what I meant.
    
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post #2240 of 2885
Just now noticed this. EVGA has made a newer version of the 750i. They moved the NF200 chip. It's now between the PCIe slots. This means it should be MUCH easier to find NB water block to fit the NB.

http://www.tigerdirect.com/applicati...124&CatId=3495


Also, Newegg doesn't carry EVGA 750i or 780i boards anymore.
    
CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3 
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Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station 
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CPUMotherboardGraphicsRAM
E8400, E8600, 980BE T2RS+, P5E3, TA890FXE 8800GTS's,GTX's,GS,Ultra's,9600GT Lots of D9's and some crap DDR3 
Hard DrivePowerCase
Seagate 250GB + 80GB WD for benching TT 875w, Corsair 650TX Custom bench station 
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