Adjusting performance beyond 3ghz on a xeon e5450
Adjusting performance beyond 3ghz on a xeon e5450
Hey there, I just got a modified Xeon E5450 to fit into standard 775 boards, replacing my even more outdated Conroe E6600 core 2 Duo. I was aiming for an overclock in the range of 3.2 to 3.6ghz, but I ended up reaching only 3.078ghz—which feels pretty disappointing. When I try to set the bus speed above 342MHz (with a multiplier of 9) in the BIOS, it doesn’t boot. Can anyone assist with some tips or help identify what’s slowing me down?
I really value this setup since it’s sitting in an unused room and works fine. The system I’m using is micro ATX, which means the parts aren’t top-notch, but here are the specs:
I’m running a GA-G41MT-S2P processor, which needed some Xeon microcode patches to support SSE4.1 (and possibly other features). I suspect my RAM might be the problem—it’s Corsair memory from a previous upgrade that lasted until I switched to an i5. It’s 1.50V, and I’m not sure if that’s affecting my overclocking attempts.
I’ve got three power supplies: a 550W XCLIO Bronze-rated one (cheap but functional), a budget ATX-500 (also unrated), and a 650W Corsair Gold-rated one. So far, I’ve only tested the XCLIO and the cheaper ATX-500, planning to try my better Corsair option next.
My cooling solution is a POC air cooler with fresh thermal paste—it keeps running at 65-70°C when the CPU is under stress. Since I don’t have a spare graphics card, I’m using the built-in graphics.
Here’s the benchmark I ran recently to help me improve:
http://browser.primatelabs.com/geekbench3/4972873
Hello... That appears to be the ultimate limit... 3.6GHZ / 10 equals 360fsb... I recall B) Q9650 here... Now I E3 1240 V2
http://www.cpubenchmark.net/cpu.php?cpu=...+@+3.40GHz
and don't worry about trying to overclock. B)
http://www.ebay.com/itm/Intel-Xeon-E3-12...SwYHxWJ8LI
Locate a new or used 1155 Mb and your setup will be ready.
Hello... On a S775 board, the FSB is quite restricted—its multiplier is fixed at 9, which is the main constraint. Can you achieve 9.5 or 10? You should also lower the clock speed of your memory, as increasing it can cause sync issues; consider one or two higher settings next time. If you encounter boot problems, reset or clear the BIOS. Other suggestions like boosting MCH/north bridge voltage, adding cooling, or modifying heatsinks might not be ideal for your results.
Ironsounds :
Hello... Yes on a S775 board your FSB is very limited... the multiplier is set at 9 and that is your limiting factor, can you get 9.5-10?
You also need to down clock your memory as you increase the FSB, your memory will be out of clock sync with some settings so try one or two higher on next attempt... reset/clear bios if you get into boot trouble.
You could try and raise the Voltage on the MCH/north bridge, add cooling/fan, mod heatsink... but you will be un-happy with the final results for your efforts.
So far the bios setting I have changed are turning ec1 off and changing the cpu bus speed, have tried turning up the vcore but higher voltages still prevented booting when I tried turning up the cpu bus speed.
The e5450 has a locked multiplier, there is an option to add 0.5 to the mutltiplier but the setting doesnt seem to work.
There is a video of a guy here with the exact same board getting 3.2ghz so annoying.
http://www.gigabyte.com/products/product...id=3743#ov
https://www.youtube.com/watch?v=AZ1Wq1eYwLI
All skylake cpus can be non multiplier overclocked, so you should get used to it lol. This change affects performance, but the impact depends on your setup. My memory is still running at single channel with one stick, does this make a difference?
Hello... it's typical to have one stick installed. For testing FSB speeds, it might be best to check the frequency and CL your memory is currently running at.
Hello... Yes, I understand... the combination of DDR2/DDR3 memory controllers didn't work well for me. I used a GB G45 DDR2 and believed I could achieve 360's FSB speed, but my memory might be incorrect. It was a while ago.
Hello... Yes, I understand... the ddr2/ddr3 memory controllers were problematic... I had a gigabyte G45 DDR2 and believed I could achieve 360's FSB on it... my memory might be incorrect? That was quite some time ago.
My brothers' ASUS G41 will reach 3.6ghz on a dual-core e8600, which offers a 10x overclocking potential compared to the ASUS overclocking feature.