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Overclocked E6750 resets to stock, won't overclock again

R

riptol337

Junior Member
I've had my intel E6750 (stock 2.6ghz) overclocked to 3.2ghz just by changing the FSB to 400 with a multiplier of 8 for probably over a year now. I just went to put in new ram (4 gigs of ddr3 1066) and when I did, I saw the CPU overclocking was reset. I tried to put it back to 8x400 and it wouldn't take. I put the old ram back in (2 gigs of ddr2 1066) and the CPU still won't overclock. I even raised it by 1 single mhz and still nothing. What could be the problem?
 
Clear your cmos. If that doesn't work, take out your coin battery. (4 like 30 sec) It clears the cmos more than just the jumpper.
 
It could also be degradation that you are experiencing. This is something that can happen when hardware gets older. It takes more power to get the same results etc.
 
How much RAM were you running before? Were the DIMMS rated at the same voltage. Hope you sort it out 😀

Edit I see you were running 2 x 1gb before I missed that in your post.

Do you have manual voltage adjustment options in your bios? If so it might just require a little bump in voltage to run stable @ 3.2again.
 
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I've never actually seen results that say 1:1 FSB😀RAM is best, so I've been running at 4:5 for about a year. Right now with the DDR3 I'm running at 5:8. Somehow I managed to be stabled at 2.8ghz and right at this moment I'm at 3.0ghz, haven't stressed it yet or anything, but it booted.

I do have manual adjustment. I never touched it in the past for the CPU and I tried bumping it up a bunch and I still had no luck.

Like I said I'm at 3.0 ghz right now somehow. I was looking at my old files and I saw at 3.2 ghz I used to be at 32*C (edit: at idle) for my CPU. Right now I'm (edit: idling) at 48*C. Sounds like an overheating problem. I haven't touched it at all, but I'm thinking something could have happened to the thermal paste? The fan is still tightly secured.
 
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fastamdman said:
It could also be degradation that you are experiencing. This is something that can happen when hardware gets older. It takes more power to get the same results etc.
Click to expand...

No way, it won't let him OC by 1 MHz now, and it just happened after a hardware change.
 
Just an update: So I'm not sure what the deal is, but I tried slowly upping the bus speed, and I was at 375 MHz for a week or so no problems. I reapplied thermal paste to the CPU/heatsink, figuring that might have been a problem since it was last applied 3 years ago. About 3 days ago I upped it again to 400 MHZ, and again no problems. So right now I'm back at 3.2 GHz.
 
You should try lowering your ram speed to under 800, then pumping up that fsb to 425-433. It might work.
 
Must have spoke too soon. I restarted the comp day and back went the OC. Set it to 400 again, restarted and reset. Set it to 375 and it started. Sitting there right now. (3.0 GHz)
 
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