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OC advice

Post Date: 2008-03-09
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nomec View Drop Down
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Posts: 530 		  Quote nomec Quote  Post ReplyReply bullet Topic: OC advice
    Posted: 09 Mar 2008 at 1:19pm

I had my system oc'ed to 3.33ghz for me using the Stage 3 air cooling (the older one from like september with the artic cooling freezer 7).  I am on a qx6850 and I was wondering if it would be safe for me to try to get to around 3.6ghz on air.

I have the silverstone tj09 case from the old Extreme model with the 2 extra fans so I believe I have decent air flow in there.

What do you guys think?
QX6850 @ 3.33ghz
Nvidia 680i A1
4gb pc1066 RAM
2x GTX 275s
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skyR View Drop Down
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Posts: 2220 		  Quote skyR Quote  Post ReplyReply bullet Posted: 09 Mar 2008 at 1:22pm
It's safe as long as you dont set the vcore over 1.5 and have idle temperatures over 50c.
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Tyler Lowe View Drop Down
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Posts: 0 		  Quote Tyler Lowe Quote  Post ReplyReply bullet Posted: 09 Mar 2008 at 2:24pm
I don't hold out much hope for the AC Freezer 7 Pro getting you to 3.6 GHz at acceptable temps, at least not for everyday use. I do wish you luck with it, some chips overclock better than others, maybe you have one of the rare ones that runs at 3.6 GHz without much jump in Vcore.

If not, it may take a CPU HSF upgrade. If you do go that route, watch the clearances over the SPP heat sink when selecting a cooler.
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Rank393 View Drop Down
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Posts: 72 		  Quote Rank393 Quote  Post ReplyReply bullet Posted: 09 Mar 2008 at 6:13pm
I have a Qx9650 OC'd to 3.5 and it seems fine.  I have stage 3 cooling. I also replaced the CPU fan with a ZALMAN 9700 LED fan.  My rig is somewhat loud but there's a ton of air flow.
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Bill the Cat View Drop Down
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Posts: 1150 		  Quote Bill the Cat Quote  Post ReplyReply bullet Posted: 10 Mar 2008 at 1:53am
I don't see why not, but each chip is different, and each person has a different definition of "stability" and "acceptable" temp and Vcore. It's easy to Google people who have gone over 4 GHz at relatively low, CPU-Z reported, Vcore. It's unclear how stable those overclocks were.
3.6 GHz E6850,       4 GB RAM, GTS 250,   TJ9, Win 7 64-bit
4.4 GHz i7 3930K, 16 GB RAM, GTX 670, 550D, Win 7 64-bit
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nomec View Drop Down
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Posts: 530 		  Quote nomec Quote  Post ReplyReply bullet Posted: 10 Mar 2008 at 10:59am
the only thing is that I am a rookie when it comes to oc'ing.  I know how to change stuff but  i dont know what vcore is Smile 
 
 
QX6850 @ 3.33ghz
Nvidia 680i A1
4gb pc1066 RAM
2x GTX 275s
Vista Home Premium 64-bit
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Bill the Cat View Drop Down
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Posts: 1150 		  Quote Bill the Cat Quote  Post ReplyReply bullet Posted: 10 Mar 2008 at 10:43pm
Vcore is the input voltage to the CPU which is set in the BIOS. For the sake of argument, assume that the normal Vcore is 1.33 volts. To make the CPU run faster without errors, you usually have to raise Vcore. Current Intel CPUs have a max Vcore somewhere between 1.5 V and 1.55 V, at which point the chips stop working. More voltage produces more heat. How high you can push the voltage depends somewhat on how cool you can keep the CPU "cores" or processors.
3.6 GHz E6850,       4 GB RAM, GTS 250,   TJ9, Win 7 64-bit
4.4 GHz i7 3930K, 16 GB RAM, GTX 670, 550D, Win 7 64-bit
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