How to OC your PC

How to OC your PC

Postby ket on 17 Feb 2009 02:47

This is something not for the faint of heart. If your scared easily, I wouldn't ask too many questions here :p

Right, firstly, anyone who wants to learn how to OC, its ABSOLUTELY vital you list your system specs.

EG:
CPU
Mobo
RAM (how much and whats its rating, PC6400, PC8000, faster?)
Graphics (for when we are done OCing the system itself)
PSU (brand and wattage)
Cooling (stock, 3rd party, water, other?)

Benefits to OCing are many. A good example to use here would be my own system. With everything @ stock in 3DMark06, I score a rather pitiful 8000 or so. What do I score with everything boosted? Hows 12,400 sound? Over a 50% gain in gaming, and even more in other applications. If your system happens to be one that stands a chance of getting OC'd (yes if, some mobos are very very crappy) The first thing I will ask is that you upgrade your BIOS. The reasons for this are numerous including; To add better stability, fix BIOS coding bugs, add additional and/or better hardware support, etc.

Some tools I advise you to get are;

Everest v5
OCCT
Memtest for Windows
3DMark06
Rivatuner 2.2

I think thats the bases covered. Fire at will..
Mobo: Asrock Z77 Extreme6
CPU: Intel i5 3570k @ 4.5GHz 1.18v (actual)
RAM: 2x4GB G.Skill Ripjaws @ 2133MHz 10-11-10-25 1T
GPU: VTX3D HD7970 3GB @ 1125MHz / 6600MHz
Sound: Asus Xonar DX 7.1 PCI-E
HDD: 2TB Seagate Barracuda, Sata3 64MB Cache
Opticals: 2x Sony Optiarc DVD-RW
PSU: Corsair 850w HX
Case: Zalman Z11

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Re: How to OC your PC

Postby ket on 18 Feb 2009 04:15

No questions yet? I am surprised!
Mobo: Asrock Z77 Extreme6
CPU: Intel i5 3570k @ 4.5GHz 1.18v (actual)
RAM: 2x4GB G.Skill Ripjaws @ 2133MHz 10-11-10-25 1T
GPU: VTX3D HD7970 3GB @ 1125MHz / 6600MHz
Sound: Asus Xonar DX 7.1 PCI-E
HDD: 2TB Seagate Barracuda, Sata3 64MB Cache
Opticals: 2x Sony Optiarc DVD-RW
PSU: Corsair 850w HX
Case: Zalman Z11

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Re: How to OC your PC

Postby VINTAR on 18 Feb 2009 06:07

One my rig is built, then I`ll come over and have a little chat :mozilla_smile:
Core2Quad Q8300 2.5 @ 3.6ghz
Cooler Master Hyper TX 2 CPU cooler
Gigabyte EP45 UD3R mobo
Nvidia GTS450
2 GIGS Transcend DDR2 800 pc6400 @ 960
Thermaltake Tough Power 650w PSU
Samsung Syncmaster P2350
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Re: How to OC your PC

Postby rockingmtranch on 18 Feb 2009 06:31

Ok. Here's what I have. What would be my first move other than to revert to stock settings and start from scratch:

ASUS EAH4870 Dark Knight 1G @ 860/1020
ASUS M3A79-T Deluxe Socket AM2+ Motherboard
AMD Athlon 64 X2 7750 Dual-Core Black Edition @3.2GHZ
OCZ SLI 8192MB PC6400 DDR2 800MHz (4x2048MB)
BFG GS Series 650 Watt power supply
ZEROtherm Butterfly CPU Cooler BTF90

And, I know this takes time so thanks in advance for helping.
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Re: How to OC your PC

Postby ket on 18 Feb 2009 14:40

Firstly, having all DIMMs occupied will limit what OC you can get, it puts a much greater strain on the IMC. The first thing you want to do is try and establish what your maximum stable FSB frequency is by ruling out as many factors as possible. So heres a checklist of where to start;

1. Keep a eye on all temps in the system, come to recognise what temps you are comfortable with when your system is at max load.
2. Set your CPU multiplier to 10x so you have some breathing room on your CPU and can rule out any CPU OC as a stability problem.
3. Increase chipset voltages slightly, say by 0.2v
4. Increase memory voltage. As I'm not sure what ICs your memory uses at this stage, don't use more than 2.1v and when stress-testing the system, it'll serve you well to pop the side panel off and put a finger on your memory from time to time to see how hot it gets.
5. If you have the option to use a slower divider for your memory (667,533,400) then select it.
6. Raise FSB frequency in 10MHz steps, saving and exiting each time until the system will not POST. Reset your CMOS if you have to and set your FSB to the last setting that was ok, and test for stability by using something like OCCT. Also ensure to adjust your CPU multiplier as nessessary if you start to go over your stock CPU frequency.
7. Make a note of your max stable FSB, then report back and we will move on to the next step; identifying the max OC of your memory :-bd
Mobo: Asrock Z77 Extreme6
CPU: Intel i5 3570k @ 4.5GHz 1.18v (actual)
RAM: 2x4GB G.Skill Ripjaws @ 2133MHz 10-11-10-25 1T
GPU: VTX3D HD7970 3GB @ 1125MHz / 6600MHz
Sound: Asus Xonar DX 7.1 PCI-E
HDD: 2TB Seagate Barracuda, Sata3 64MB Cache
Opticals: 2x Sony Optiarc DVD-RW
PSU: Corsair 850w HX
Case: Zalman Z11

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Re: How to OC your PC

Postby audioave10 on 18 Feb 2009 16:53

With the Rock's nice 3.2ghz OC...having all 4 DIMM's occupied may
make him have to use a multplier to get any further. You never
know however, it would be worth a try.
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Re: How to OC your PC

Postby rockingmtranch on 18 Feb 2009 17:33

Wow. Ok, the voltages. I have a lot of possibilities here. It says ****Please key in voltage number directly!**** and all are set to auto and I don't know what the actual value is right now (under Power, is it the VCORE Voltage of 1.440V?). There is Processor Voltage, Processor-NB Voltage, DDR Voltage, Northbridge Voltage, and Southbridge Voltage. Then, CPU VDDA Voltage is on auto but can be changed to 2.5v, 2.6v, 2.7v, or 2.8v.
This is what makes this so damned difficult. I can adjust the Processor Frequency Multiplier in .5 increments from 8.00x to 11.5x but what about the Processor-NB Frequency Multiplier that goes from 4.00x to 11.00x in 1.0 increments? And then there is CPU-NB HT Link Speed. Damn. And you say "chipset" voltages. Under chipset in advanced is PCI Express Configuration and Hyper Transport Configuration. The word 'chipset' is not to be found in Configure System Frequency/Voltage under Advanced. And the manual is no help.
Changing the memory divider? Interleaving? Memory Clock Mode? DRAM Timing Mode?

Maybe you can see how frustrating it is when I read your instructions and they sound simple enough, however, are anything but simple once in the BIOS. I did accomplish one thing: download OCCT.
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Re: How to OC your PC

Postby ket on 18 Feb 2009 18:45

rockingmtranch wrote:Wow. Ok, the voltages. I have a lot of possibilities here. It says ****Please key in voltage number directly!**** and all are set to auto and I don't know what the actual value is right now (under Power, is it the VCORE Voltage of 1.440V?). There is Processor Voltage, Processor-NB Voltage, DDR Voltage, Northbridge Voltage, and Southbridge Voltage. Then, CPU VDDA Voltage is on auto but can be changed to 2.5v, 2.6v, 2.7v, or 2.8v.
This is what makes this so damned difficult. I can adjust the Processor Frequency Multiplier in .5 increments from 8.00x to 11.5x but what about the Processor-NB Frequency Multiplier that goes from 4.00x to 11.00x in 1.0 increments? And then there is CPU-NB HT Link Speed. Damn. And you say "chipset" voltages. Under chipset in advanced is PCI Express Configuration and Hyper Transport Configuration. The word 'chipset' is not to be found in Configure System Frequency/Voltage under Advanced. And the manual is no help.
Changing the memory divider? Interleaving? Memory Clock Mode? DRAM Timing Mode?

Maybe you can see how frustrating it is when I read your instructions and they sound simple enough, however, are anything but simple once in the BIOS. I did accomplish one thing: download OCCT.


When I say chipset voltages, I'm referring to all of those :p To be a little more specific adjust to these values;

CPU Vcore: Auto (for now)
CPU NB voltage: increase by 0.2v
DDR voltage: increase to 2v - 2.1v
NB voltage: increase by 0.2v
SB voltage: increase by 0.2v
CPU VDDA: increase to 2.6v
CPU NB multi: This is slightly different to the CPU multi, the CPU NB multi is the Hypertransport link, you want to adjust this so it stays as close to stock as possible (5200 on AM2+ CPUs, 2000 on AM2 CPUs). Notch is down a couple multi levels and your good to go from there.
Mobo: Asrock Z77 Extreme6
CPU: Intel i5 3570k @ 4.5GHz 1.18v (actual)
RAM: 2x4GB G.Skill Ripjaws @ 2133MHz 10-11-10-25 1T
GPU: VTX3D HD7970 3GB @ 1125MHz / 6600MHz
Sound: Asus Xonar DX 7.1 PCI-E
HDD: 2TB Seagate Barracuda, Sata3 64MB Cache
Opticals: 2x Sony Optiarc DVD-RW
PSU: Corsair 850w HX
Case: Zalman Z11

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Re: How to OC your PC

Postby audioave10 on 22 Feb 2009 01:02

Hey KET, did your E7200@3.6ghz not be stable enough? You seem to
have settled at 3.5ghz. Just curious.
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Re: How to OC your PC

Postby ket on 22 Feb 2009 15:19

I settled on 3.5GHz just because it takes less voltage, and just because I get to run 500FSB which gives me better bandwidth.
Mobo: Asrock Z77 Extreme6
CPU: Intel i5 3570k @ 4.5GHz 1.18v (actual)
RAM: 2x4GB G.Skill Ripjaws @ 2133MHz 10-11-10-25 1T
GPU: VTX3D HD7970 3GB @ 1125MHz / 6600MHz
Sound: Asus Xonar DX 7.1 PCI-E
HDD: 2TB Seagate Barracuda, Sata3 64MB Cache
Opticals: 2x Sony Optiarc DVD-RW
PSU: Corsair 850w HX
Case: Zalman Z11

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Re: How to OC your PC

Postby ket on 29 Dec 2010 14:32

^^ Spambot. Kill it nightwatch.. kill it. Push that big red button.. thats right, the one with the red flashing light above it :d
Mobo: Asrock Z77 Extreme6
CPU: Intel i5 3570k @ 4.5GHz 1.18v (actual)
RAM: 2x4GB G.Skill Ripjaws @ 2133MHz 10-11-10-25 1T
GPU: VTX3D HD7970 3GB @ 1125MHz / 6600MHz
Sound: Asus Xonar DX 7.1 PCI-E
HDD: 2TB Seagate Barracuda, Sata3 64MB Cache
Opticals: 2x Sony Optiarc DVD-RW
PSU: Corsair 850w HX
Case: Zalman Z11

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Re: How to OC your PC

Postby Nightwatch on 13 Jan 2011 19:11

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