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EP45 UD3R first overclock?

C

Crowsnose

n00b
Joined
Dec 2, 2008
Messages
38
Is there anything I should know when overclocking with a gigabyte ep45 ud3r (c2d e6300 cpu)? I'm still fairly inexperienced with OCing and might have damaged the north bridge with my last mobo (asus p5b-e; my cpu temps and voltages were fine but I guess the mobo was running too hot)

So with that in mind, what should I be cautious of so I won't mess something up again? And what are the essentials for monitoring an OCd rig? All I've been using is core temp and rivatuner to watch temps.
 
All you really need to monitor is your temperature. You could check your Vcore with CPU-Z, but aside from that there's really no way to get an accurate readout on anything.

As for things you should know when overclocking, there are no major rules, aside from making sure that you stay within safe voltage levels. For your CPU, that would be 1.5V. Aside from that, just play around with stuff until you find something that's stable.
 
Try doing some max fsb checks, to see whats the fsb wall on your e6300, then you can do some calculations on what kind of clocks you can set it at.

Im currently tweaking as well, What im doing is what certain frequencies require what kind of voltage, and seeing what kind of safe/max overclocks i can run with. Meaning, i see what the lowest voltage needed for stock, then i do the req voltage for 3.0ghz, 3.5ghz, 3.8ghz, 4.0ghz, 4.2ghz, etc. Also remember, if a few more clocks requires some heavy voltage, lets say for example, 3.6ghz requires, 1.35V, while 3.7 or 3.8ghz requires 1.45V it might not be worth it. I just realized that your on a 65nm, so just switch the voltages from 1.45V to 1.55V ;)

Keep us posted on your results and or any troubles you have. We will be happy to help ;)
 
I set the cpu vcore to 1.215 and memory to 1.9 and then increased the fsb just a small amount 266 -> 275 to test it. When I saved settings the PC shut off but then turned on fine. Is that supposed to happen or should it automatically restart, could the low voltage be to blame? Sorry if I'm acting paranoid I just don't want to make any mistakes this time.
 
The board will auto shut off when changing from way diff settings, for example, when i go from my 2.5ghz stock to 4.0ghz it reboots, while when i go from 2.5ghz to 2.8ghz it just restarts without powering off.

Its normal, keep cranking the settings.
 
I suggest you overclock in bios and not in the ET6 utility. As for monitoring use real temp with correct TjMax for your chip.
 
Crowsnose said:
I set the cpu vcore to 1.215 and memory to 1.9 and then increased the fsb just a small amount 266 -> 275 to test it. When I saved settings the PC shut off but then turned on fine. Is that supposed to happen or should it automatically restart, could the low voltage be to blame? Sorry if I'm acting paranoid I just don't want to make any mistakes this time.
Click to expand...

I just bought that same motherboard, and have 8gb of RAM. I've used a few other Gigabyte boards, and all of them would turn off and reboot after I had changed the FSB.

I have a Q9300 on it, and am currently running the FSB at 427 to get 3.2GHz on the cpu. I should have spent more for a higher multi. I randomly raised the northbridge voltage from 1.1 to 1.18, but I might be able to lower it. The cpu voltage might be able to be lowered as again I raised it some randomly for this clock. The vid is 1.2125, and I have it at 1.2375, and it ran 29 hours of small ffts on Prime with no problems, and is currently about 21 hours and 20 minutes into the large fft test with no errors.

So far I am happy with this board.
 
I've been running a stable 25% OC. 266->333x7 at 1.2V and heres my speedfan temps.

speedfanpm7.jpg


Does everything seem straight? I'm not sure which temp is northbridge, they all increased 2-3 degrees after overclocking. the vid card is a 8800gt so that's why it's running a bit hot.
 
Crowsnose said:
I've been running a stable 25% OC. 266->333x7 at 1.2V and heres my speedfan temps.

snip

Does everything seem straight? I'm not sure which temp is northbridge, they all increased 2-3 degrees after overclocking. the vid card is a 8800gt so that's why it's running a bit hot.
Click to expand...

I never understood speedfans god damm temps, Everything looks good, if i recall Temp 1 is the northbridge, Mine runs about 34-36C so it seems about right.

As for cpu temps, mind downloading realtemp & Intelburntest and doing some few runs and reporting what your load temps were on average and what real temp recorded as max temp?
 
Sorry for bumping an oldish topic.

I've been playing around with things and have got my cpu idle temps down to about 31/35
and after running prime95 for some time they jump to around 48-50. This all seems fine to me.

The only thing I'm still concerned about is that the northbridge or "Temp 1" reading of speedfan consistently stays around the 38-40 range. While I've successfully cooled other parts of my rig this one always stays the same. I guess there's an explanation for that but my real question is whether this temp is too high. The poster above said his is 33-36... is that with a ep45 ud3r?

I guess my worry here is I believe my last motherboard fried because of something related to the high northbridge temps.
 
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