Memory was set to ddr31602 at 66620 1t timings on 1. Ok so now i am interested in overclocking a little. I just changed my ram to 33mhz from 1866mhz and my fps accually went up a hair. When overclocking cpu there are settings u need to change, one of them is reference clockcpu speedref clock x cpu multi. So, for example, my cpu has an ht reference of 200mhz, but the multiplier is at 19. Amd athlon ii overclocking thread page 11 overclockers. Jan 25, 2010 the figure that we can change in all the above is the ht ref. Ddr32400 1200mhz would require at least 2400mhz cpu nb clock. Mar 02, 2012 ht voltage since you will be leaving the frequency near stock, voltage should be 1. The athlon ii cpus can be overclocked by raising reference clock. Just using the cpu multiplier i was able to up the cpu speed to a clock speed of 3000 mhz or 3.
Sure you can hit 4ghz with a 20x multiplier, and a bit more voltage. The same goes for the tsc on amd, its basically the same timer source as the lapic timer. We set our ht ref clock to 300, cpu multiplier to x, ht link to 2704mhz, and nb speed to 2704mhz for this particular overclock. Overclocking how to safely overclock an amd athlon ii x2. The circuit board inside this clock died, so i replaced it with my laptop. The base clock for various clock domains on the amd scorpius platform technology. Ht hypertransport the link between cpu and ram multi multiplier. Our maximum overclock on stock core vid with ht ref clocking resulted in a 3.
Amd fx processors unleashed a guide to performance tuning. Amd athlon ii overclocking thread overclockers uk forums. I just changed my ram to 33mhz from 1866mhz and my fps accually went up a. Fine tuning 8350 overclock on crosshair v formulaz page 2. How big of a factor is the ram when overclocking and would changing the clock speeds help. Additionally, you have to take into account that overclocking the imc may require voltage increases on the cpunb. Inside this submenu sits all the options for tweaking and. To help us help you please provide as much information about your system and the problem as possible. So if there is any possibility to change the ref clock, it will result in skewed benchmark results.
Overclocking adventures in frustration amds phenom ii. Apr 22, 2009 the ht reference clock is multiplied by your cpus multiplier. Intel xtu is a windowsbased performancetuning software that enables novice and experienced enthusiasts to overclock, monitor. Cpu, cpu nb, ht link and memory clocks are all linked to ht ref. The figure that we can change in all the above is the ht ref. Ive just downloaded amd overdrive, and ive noticed that at stock values all the multipliers are set at x15. Buy gigabyte geforce gtx 1050 ti oc 4gb gddr5 128 bit pcie graphic card gvn105toc4gd. Intel warms up coffee lake with eighthgen desktop core. What is the utility of the reference clock in pci express. The recovery can be done in a number of ways, mostly based around phaselockedloops, but the design is simpler if you have a reference clock to work from. This means were running a resolution of 3840x2160, which is truly epic in person. Radeon r9 290x overclocked and benchmarked at 4k tweaktown. Cheers mate, i wasnt expecting anything special from the mobo but ive been very pleasantly surpised. Cpu thermal control allows for clock modulation when the cpu gets too hot and slows clock rate on your cpu.
Another thing to keep in mind is that your ht reference also overclocks your ram. To overclock the cpu, i have the bus set to 300mhz. Normally, on modern systems, the target of overclocking is increasing the performance of a major chip or subsystem, such as the main processor or graphics controller, but other components, such as system memory or system buses generally on the motherboard, are commonly involved. I thought some folks might think it a nice thing to be able to see the bios. Overclocking adventures in frustration amds phenom ii x4.
You could say that the clock speed is about 70x the standard speed this is the fastest the mechanism can handle before. Overclocking by raising fsb now, some of you may not have black edition cpus. When multiplied by the ht reference clock, you arrive at the ht link clockspeed. This download installs the intel extreme tuning utility intel xtu version 6. Jun 15, 2009 when multiplied by the ht reference clock, you arrive at the ht link clockspeed. Cpu nb has a notable impact on overall system performance. Cpu configuration menu these settings are critical to both stock and overclocking stability. Dec 19, 2010 when overclocking cpu there are settings u need to change, one of them is reference clock cpu speedref clock x cpu multi. This may add unwanted heat which happens to be the phenom iis archenemy. The ht reference clock is multiplied by your cpus multiplier.
This is on the motherboard we recommended in our last video, the asus p6x58de. Unleash the dragon amd dragon platform technology performance tuning guide. While overclocking though, always keep in mind that the imc is a very touchy factor in an overclock. Asus m4a89gtd prousb3 amd overdrive utility download now. However, i cannot drag my slider beyond 10x ht multiplier. The clock speed of the ht link is determined in the multiplier. There is a strap option for 250 ghz but i didnt want to even touch that. All references to ht or htl will here be referred to as fsb.
Also in the voltage area only the first 2 columns are changeable and in the top middle area with the. You already know the memory divider, so dramfsbdram. Table 2 is only a reference and may not apply to your ram. Besides i think being a tech i should know how to do this. Feb 01, 2015 the circuit board inside this clock died, so i replaced it with my laptop. Intel speed step allows the clock speed of the processor to be dynamically changed by software.
The base clock for various clock domains on the dragon platform technology. A single hypertransport link frequency benchmark anandtech. I might update with another benchmark, probably dawn of war 2 for its built in benchmark tool. This will serve as a very useful tool as you overclock your phenom ii. Cpu nb multiplier is unlocked on all of the amd fxseries cpus. Currently i have amd overdrive open but the ht ref clock is currently locked at 200 so i cannot change it to 214 like i want to. Ht voltage since you will be leaving the frequency near stock, voltage should be 1. May 08, 2016 hi, i downloaded amd overdrive for overclocking my cpu and gpu but lots of options are grayed out. Base clock overclocking vs multiplier i have a 5960x 8 core processor which is only running at 4.
Dec 27, 2010 ok so now i am interested in overclocking a little. Phenom ii am3 overclocking essentials guide matt sembinelli. Hi, i downloaded amd overdrive for overclocking my cpu and gpu but lots of options are grayed out. Phenom ii x4 955 be maximum cpu ht ref clock on stock voltages. Everything else free delivery possible on eligible purchases. Fsb dont forget though that you need to watch your ht nb stock 2000 and your ram speed. Hey guys,so ive taken your advice from months ago and upgraded my cpu andgpu. Overclocking software is probably the best way to tailor your pc to its results. But keep in mind that the other frequencies above are also based on the reference clock, so increasing it to 220 mhz will also increase overclock the northbridge speed, the hypertransport speed.
Fsb dont forget though that you need to watch your htnb stock 2000 and your ram speed. But the good news is, that even your cpus are just as potent in overclocking as be ones. The only way to overclock nonbe cpus is to raise the ht ref clock, as in. Apr 23, 2009 we set our ht ref clock to 300, cpu multiplier to x, ht link to 2704mhz, and nb speed to 2704mhz for this particular overclock. This means were running a resolution of 3840x2160, which is. I thought that by updating the bios in my mobo, it would unlock the options to change voltage, clock, multiplier, etc, but sadly, it did not.
When i click on clocks, it will display my clock speeds, but no sliders show up. Therefore, i would like to know if there is any way to overclock this cpu with software. My ram is effectively running at 1080mhz for ddr3 instead of multiplying by two in the last step we multiply it with 4. The purpose of overclocking is to increase the operating speed of a given component.
Also in the voltage area only the first 2 columns are changeable and in the top middle area with the ht ref. The clock is not embedded with the data signal, it can be recovered from the data. In clock voltage the cpu core 0 multiplier resets to 25x when i click apply. Cpu core clock frequency has the biggest impact on overall performance of the system. Question asked by necator on jun 30, 2017 latest reply on jul 1. Obviously one cant conclude too much from a single benchmark, but here it is for what its worth. May 28, 2009 sure you can hit 4ghz with a 20x multiplier, and a bit more voltage. However, through benchmarking or game performance, you may find it is performing worse than someone elses comparable 4ghz using a higher ht ref clock. Oct 14, 2010 additionally, you have to take into account that overclocking the imc may require voltage increases on the cpunb. Playing around with a new system and decided to bench various ht link speeds. I want to try and see how far i can oc it by bumpin up the ht ref. Asus k70abx1a hardware, builds and overclocking forum.
Sometimes also for overclocking with turbo but since you can set pstates manually via overdrive or pscheck it is not necessary. Overclocking phenom ii 940 using amd overdrive strange. Windows 7 ultimate x64 were using the seiki digital se39uy04 display, which is a 39inch 4kcapable tv. In clockvoltage the cpu core 0 multiplier resets to 25x when i click apply. This meant learning new terms and new ways of overclocking. This number multiplied by the ht reference clock equals the northbridge. I have never doen this before so is there a good detailed guide i can read. File must be atleast 160x160px and less than 600x600px. In this lesson we are going to cover all of the overclocking related settings in the bios. I will choose bios overclocking but i dont want to be in this restart, restart, restart mode. Updated amd overdrive app, now its incompatible with 760g. This is my first dive into overclocking and i have a few questions. How do i change my ht ref clock with amd overdrive.
Note that cpu nb clock should be 2x memory clock or higher e. This is because when you up the ht ref clock, it also increases ram speed, ht link speed, and nb imc speed. Raise your ht ref speed to net you the clock you want, i go up in 200mhz processor. The headlining chip of this lineup is the core i78700k, a sixcore, 12thread part with a 3.
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