i7-930 overclocking.

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Halak41

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#1 Halak41
Member since 2007 • 1095 Posts

I've decided that I'm going to try and overclock my CPU for the first time. Of course, it is not as simple as I thought it would be, as I will need to mess around with many settings to properly overclock it. Just to test it out, I only want to increase the speed to 3.2 GHz, but I'm still not quite sure how to go about doing this. I'm using a P6X58D Premium mobo, and I understand that everything must be configured from the AI Tweaker screen. The problem is, there are just so many settings here it's overwhelming. So... if anyone could provide a link to how to properly overclock or help in any way, it would be appreciated. Thanks.

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LordRork

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#2 LordRork
Member since 2004 • 2692 Posts

http://www.clunk.org.uk/forums/overclocking/22106-core-i7-overclocking-guide-beginners.html

That's why I used to overclock my 920 (which isn't that different).

The main things you work with are the base clock multiplier and the voltage settings. But I'll let you have a read through that link rather than me waffle on badly.

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Halak41

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#3 Halak41
Member since 2007 • 1095 Posts

Okay, well, I've done some more research, and this seems to keep on getting more and more complicated. I've been using http://www.overclock.net/intel-cpus/1567-intel-overclocking-guide.html to try and better understand everything. One initial question that arises is: is it necessary to mess around with all the settings listed, or are there only a key few which I will need to use?

Also, do I need to use a program to do stability testing, or is it possible to overclock without doing so? Please note that I am only planning on overclocking to 3.2GHz at first, which is why I'm asking.

Keep in mind that I'm using the P6X58D mobo, so if anyone has had similar overclocking experiences and could share their info, it would be a great help.

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metacritical

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#4 metacritical
Member since 2008 • 2537 Posts
you can do 3.2 with ease, just increase the bclock. it's extremely unlikely you will need to worry about anything else since it is such a small overclock. if your board allows it you should increase the multiplier from 21 to 22. that will increase the clock from 2.8 to 2.9, then increase the bclock from 133 to 150 if you can't increase the multiplier or 145 if you can increase the multiplier. if it boots you're fine, if not you'll have to lower the RAM settings
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Halak41

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#5 Halak41
Member since 2007 • 1095 Posts

Okay I was just in the BIOS and seem to be understanding this a bit better. I did what the previous poster said and upped the BCLK settings to 150 and the multiplier to 22. I still have some questions though. When I did this, the settings for my RAM frequency changed. For example, I was previously running my RAM at 1066 MHz (although my memory is actually 1600MHz), but after making the changes, 1805MHz was the nearest option to 1600MHz. So, if I do set it to 1805, is it okay? Also, PCI frequency (which is at 100) and UCLK (I think that is what it is called) speed... do I have to touch those?

Last question, can I do something like, say, set the BCLK to 500 and the multiplier to 14, or is that not recommended? I read somewhere that the higher the FSB is, the better/faster performance you will get, and my CPU's highest setting is 500.

If someone is able to answer all of these question it would be greatly appreciated.

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metacritical

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#6 metacritical
Member since 2008 • 2537 Posts
if it boots with the RAM at 1805 then great, but i doubt it will, you'll have to lower that by decreasing the RAM multiplier (for want of a better term) that goes in steps of two, 6, 8, 10 etc. naturally the faster the better and it will increase with the overclock; it will be this that prevents you from pushing the overclock too high, until you lower the RAM settings, like i said previously. you can change the PCIe to 105 which will increase the overall bandwidth of the PCIe bus, 105 has been suggested to be a safe increase for the PCIe bus, though increasing it can cause data loss as it also affects SATA ports. some say 110 is the absolute most you can increase to before data corruption can occur, but since it will make very little difference to overall performance possibly best to leave it alone, or increase it to 105, see what you want to do. google it you will not be able to increase the bclock to 500 due to the RAM settings, it's just not going to happen. 220 will be the most you'll be able to increase it to no matter what the multiplier etc settings are, so the best you can hope for is 4.2GHz realistically. the bclock increases everything in the PC that runs off the north bridge, so having it too high will lead to system instability. the best you can hope for is to increase the multiplier and then see how high you can push the bclock and reduce the RAM settings to get those as near to 1600 as you can. how high you can push it depends on the cooling you have and the temps you're running. don't forget to test your overclock with prime 95 or intel burn test. getting high overclocks without it being stable is pointless since you will lose data when it blue screens, or lose progression in games
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Halak41

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#7 Halak41
Member since 2007 • 1095 Posts

^

Hmmm... okay thanks. Stupid question though, where exactly can I find the RAM multiplier, and what is it multiplying?

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#8 jtcraft
Member since 2005 • 2770 Posts
It will probably be listed as DRAM Frequency. Core i7 9xx (non-extreme edition cpu's) will run RAM at the default speed of 1066MHz. In order to get it to run at 1600MHz you will have to change the multiplier/Frequency in the BIOS. It is also a good idea to manually enter the timings of the RAM. Quite often when left on auto the BIOS will set the timings to low. The BCLK (default 133) will determine the frequencies for both the CPU and the RAM. If you increase the BCLK you will have to adjust the RAM Multiplier in order for the RAM to run at its rated speed. Here are two guides for overclocking the i7 920/30: Maximum PC Core i7 Overclocking GuideGuide to Overclocking the Core I7 920 or 930 to 4.0ghz @ Overclock.net You might try searching thru youtube. There could be some decent guides there.
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Halak41

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#9 Halak41
Member since 2007 • 1095 Posts

^

Wow, that first link you posted was really helpful. Going back to the BIOS now to screw around a bit more.

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-Snooze-

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#10 -Snooze-
Member since 2009 • 7304 Posts

Never understood the need fort overclocking. Especially with an i7, the things a monster, making it better is just playing god.

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Halak41

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#11 Halak41
Member since 2007 • 1095 Posts

Okay, so I was able to overclock to 3.3GHz and boot up properly. The BCLK is set to 150 and the multiplier to 22. What I am surprised about is that my RAM is actually functioning at 1805MHz, but since there is no way to check RAM temps, I'm not sure if it is safe to leave it at that setting. I also did not touch any of the voltages at all, but again, since everything booted up, I'm not sure whether or not I should. So, if anyone could tell me if I'm fine just leaving both the RAM and voltage settings the way they are or if I should go back and change them, I'll finally be able to start torture testing the CPU.

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Daytona_178

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#12 Daytona_178
Member since 2005 • 14962 Posts

Never understood the need fort overclocking. Especially with an i7, the things a monster, making it better is just playing god.

-Snooze-
Well one day the i7 will be outdated,,,when that happens you can either throw it away or overclock it so it performs the same if not better than stock speed present CPU's.
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kungfool69

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#13 kungfool69
Member since 2006 • 2584 Posts

[QUOTE="-Snooze-"]

Never understood the need fort overclocking. Especially with an i7, the things a monster, making it better is just playing god.

Daytona_178

Well one day the i7 will be outdated,,,when that happens you can either throw it away or overclock it so it performs the same if not better than stock speed present CPU's.

thsi was why i bought the i7 930. by the time software catches up to its ability, a little OC'ing will keep the CPU alive and useful for MANY years.

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metacritical

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#14 metacritical
Member since 2008 • 2537 Posts
Okay, so I was able to overclock to 3.3GHz and boot up properly. The BCLK is set to 150 and the multiplier to 22. What I am surprised about is that my RAM is actually functioning at 1805MHz, but since there is no way to check RAM temps, I'm not sure if it is safe to leave it at that setting. I also did not touch any of the voltages at all, but again, since everything booted up, I'm not sure whether or not I should. So, if anyone could tell me if I'm fine just leaving both the RAM and voltage settings the way they are or if I should go back and change them, I'll finally be able to start torture testing the CPU.Halak41
the reason you torture test is to see if it's stable, if it is not then and only then do you adjust the voltage. increasing the volts will make it more stable, so if it doesn't crash you're fine. if it does crash it is likely to be due to the RAM settings, so either reduce the SPD from 10 to 8 (presumably) or increase the RAM volts.