Overclocking is the process of forcing something to run at a speed higher than the manufacturer's intended specifications.
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Overheat alert warning on CPU through Serial port
Is there any way to make an external alarm go off if your CPU reaches a certain temperature using your serial port? I over-clocked my processor and I get warnings if it reaches a certain temperature, ...
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1answer
34 views
Specing out CPUs (more than just cores and clock)
This is not a production question, just something that I've been thinking about.
When specing out CPUs I know the general rule is a faster clock speed will make a core run faster and the greater ...
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2answers
245 views
Hyper Threading vs Overclocking
What is the difference between these two, and under what circumstances would I want to implement them? Are there circumstances when I would only want 1 and not the other?
According to Wikipedia, ...
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0answers
32 views
How to force ATI 5850 to always use 3D clocks?
My 5850 graphics card is on its way out and the 2nd monitor output flickers when using low clock speeds, I have however noticed that when gaming or doing anything that forces the clock speeds to ramp ...
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1answer
60 views
Higher voltage requirement for lower clock frequency
Is there any reason for a CPU to require a higher Vcore to achieve stability when running at a certain speed, than the Vcore that the same chip requires for stability when running at a higher speed? ...
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2answers
85 views
How to optimize PLL voltage
I am overclocking my Core i7 (Ivy Bridge 3770K), aiming for a moderate overclock.
Currently I have it easily stable at a pleasant 4.4GHZ - BCLK defaulted at 100.00MHz, with the multiplier set to x44. ...
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3answers
89 views
Am I doing the right thing to overclock this?
This is a follow up to this question.
I bought the motherboard mentioned in the question and a 2133 MHz RAM that does figure in the memory compatibility sheet of the board.
After assembling it runs ...
2
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1answer
107 views
Why is GPU core clock cutting itself in half?
I'm using Afterburner to "natively" overclock a 7950, having used the "-xcl" option. From what I understand, this bypasses the need for unofficial Afterburner overclocking, and instead unlocks the ...
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118 views
Is it possible to overclock the polling rate for a wireless mouse?
I have a Logitech Performance Mouse MX -- a wireless laser mouse. From a diagnostic program, I can see that the polling rate is 125Hz. I'd like to overclock this to 500Hz (or however higher it can go ...
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1answer
137 views
Is “limited overclocking” supported by Ivy Bridge Xeon?
Intel Core i5 and i7 desktop processors in the Sandy Bridge and Ivy Bridge families support limited overclocking, where you can push the turbo boost multiplier to 4 bins above the standard.
For ...
2
votes
1answer
39 views
Can I use an EVGA OC utility on a ZOTAC GPU?
EVGA has a very nice comprehensive utility while ZOTAC.. not so much. The specs for the two cards (EVGA vs ZOTAC) are not far off (660 Ti) so it seems plausible that one utility would work for the ...
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2answers
386 views
1.35 V RAM in a 1.5 V system - Will it fry or overclock?
The general question is:
When installing low voltage RAM in a board that outputs a higher voltage to the memory module, will this fry the RAM or will it be like overclocking it?
My specific case is:
...
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1answer
75 views
Prevent i7 from overclocking while on battery
I've been bringing my laptop to tutorials and lectures lately and I've noticed sometimes my CPU clocks up from 1GHZ to 3.2 GHZ which cuts my estimated battery life in half, and spins the fan up pretty ...
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3answers
91 views
What exactly does “(OC)” mean in products description
Note: this is not a shopping recommendation request
I want to buy a nice and fast RAM and a motherboard that supports it.
Lets say that I would want to take this RAM (2400MHz), and put it into this ...
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0answers
66 views
No CPU Utilization or Memory Utilization with Intel Extreme Tuning Utility
I'm running a Core i7 3770K with a Gigabtye GA-Z77X-UD5H motherboard with Windows 8 Pro (x64). I installed the Intel Extreme Tuning Utility (latest version 4.0.X.X) and most of it works, however, the ...
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4answers
287 views
Is overclocking RAM worth it? [closed]
I am going to purchase a motherboard that supports up to DDR3 2400(O.C.). I have seen things saying that overclocking RAM is not worth it. Is it worth it to buy memory that is rated for DDR3 2400 ...
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0answers
106 views
AMD Overdrive Triangle Artifacts all over screen
I was in AMD Catalyst Control Centre (CCC) and saw the AMD Overdrive function so me thinking this could cause no harm I messed with the settings. I didn't put the settings up high at all. I then click ...
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0answers
127 views
How can I overclock my 8400GS to its limit without making the driver crash?
Nvidia GeForce 8400gs EVGA 512MB(It comes with a small fan)
I know this isn't the best card to overclock, but adding 200Mhz really helped me with 15+fps on a game and I was wondering if how can I ...
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1answer
134 views
My graphics card temperature is always the same?
Even after I overclocked it? Seems really odd it stays on the range of 45-48 Celsius.
before overclock
After overclocking
I'm scared that the number is not correct and my card is frying.. why ...
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1answer
140 views
Is my Nvidia 8400GS overclocked? If not, how do I do so?
Specs of the 8400gs
My card
I'm trying to play a game and I'm only getting 20~ fps with everything set on low. I know this isn't the best card for gaming, but it's all I have :/
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1answer
32 views
TEC LCS Module for Cooler Temps
I have a new LCS system on the way (XSPC RS360 + Raystorm Kit) and it seems like a shame letting my good nick CM V8 cooler go to waste. So in pulling a few new and old pieces together I am considering ...
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1answer
974 views
Overclocking a nVIDIA GTX 660M GPU?
I have a MSI GE60 0ND laptop with a GTX 660M GPU. When I play games like Minecraft or Portal 2, the core clock is stable at 835 MHz. Recently I tried to overclock it using MSI Afterburner but it ...
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1answer
64 views
Watercooling two HD7970
I want to watercool my two HD7970 cards. Would a single 240 rad (e.g., xspc rs240) be enough?
Currently I'm running very gpu-intensive tasks and the cards are overheating (85+). The case is corsair ...
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0answers
271 views
overclock atom n2800 CPU
I have a netbook (EeePC 1025C) with atom n2800 1.86GHZ CPU. I tried to use SETFSB to overclock, but I can't find the required 9LPRS432AGLF clock generator. In the BIOS there is no overclock option ...
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0answers
286 views
Intel Extreme Tuning utility options are greyed
I'm having a ASUS K55VM with Intel Core i7 3610QM (IvyBridge) with a NVIDIA GT630M. I'm trying to operate the Intel XTU, but as you can see in the screenshot, all the options are greyed out. Can you ...
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0answers
113 views
OC'ing a Sapphire 7950, problems with memory clock
I bought a new rig with sapphire radeon 7950 flex w/ boost. Good scores initially in 3dmark 11, around 7300 stock. Problem is, as soon as i start overclocking, issues arise. the core clock is at 860, ...
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1answer
139 views
How do I overclock my RAM?
I just built a pretty awesome computer on a i2700k Sandy Bridge processor and am pretty happy with it thus far. By just changing the multiplier, I have things fairly stable at 4.6 GHz on air, moving ...
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2answers
1k views
what are the rules for SLI ( GTX 550 Ti )
I got ASUS GTX 550 Ti and I want to SLI it with another graphic card. I heard that not all graphic cards are good idea to SLI, (or not all combinations) because sometimes the final performance could ...
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1answer
269 views
Is it possible to overclock a 2011 i7 macbook pro
I am just wondering if it is possible to overclock a 2011 i7 2.4 macbook pro? Either with software or if there is other ways of doing it.
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0answers
116 views
Disabling AMD CCC without disabling Overdrive
Is possible to disable the AMD Catalyst Control Center from loading at startup and not disable its Overdrive feature? The idea is to lower resources.
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0answers
218 views
How does one calculate voltages for overclocking? [closed]
So, all I know is voltage and clock have something to do with each other.
Unstable if too low voltage
Too high voltage, and too much heat.
or higher voltage + lower clock may heat less than that ...
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2answers
85 views
Serious voltage and temperature problems
My computer has been acting up when I play games so I wanted to look into why.
Issue 1: GPU Temp
According to afterburner and speedfan my 8800GTX idles at 90 degrees and then when playing games ...
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0answers
24 views
Difference between the many versions of GTX 680 [closed]
My GPU starts giving me problems and I was thinking of buying a new high-end GPU.
I wanted to buy something that will give excellent performance and will last for a long time so I went with the GTX ...
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0answers
686 views
Core i3770k running too hot?
I just installed a Core i7 3770K. I have a Corsair H60 Hybrid CPU cooler with fans on both sides of the radiator for a push/pull configuration. I have the airflow for the radiator pulling in air from ...
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1answer
1k views
What are the Power Control Settings in AMD OverDrive - CCC? [closed]
What are they for? Are there any recommendations?
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0answers
101 views
Why is the clock speed readout greater than the maximum?
(click for full-size image)
What is this madness?
(I'm aware that the top number refers to the non-Turbo Boosted clock speed, but what of the others?)
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0answers
13 views
System Utility/Benchmark software [duplicate]
Possible Duplicate:
What programs can I use to test my computer’s hardware?
What are the best free(ware?) PC performance benchmarking options out there?
The last few components for my ...
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1answer
136 views
Possible SSD failure after overclock
I (foolishly) attempted an overclock on my newly-upgraded (new mobo and SSD) rig, and now I cannot boot. The relevant components:
AMD Phenom II X4 965 - 3.4Ghz (overclocked 10%)
Kingston HyperX DDR3 ...
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1answer
271 views
Overclocking the E-350 APU on Linux
Is there any way to over/underclock or change the voltages of the AMD E-350 APU on Linux?
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1answer
332 views
safe overclock limit? [closed]
I've a Toshiba laptop satellite L750D-14R with a AMD E-450 APU with Radeon HD Graphics at 1.65Ghz dua core.
Its rated at 2.4 Ghz, would it be smart to overclock it to 2Ghz or would that kill my ...
17
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4answers
1k views
Will overclocking your PC with no internet access screw up the system time?
Let's say you have a PC which is not connected to a time server, so it has no external methods of keeping track of time. You turn the machine on, and set the time and date in the BIOS.
Then you ...
4
votes
6answers
3k views
Can overclocking really break hardware?
My question may seem dumb, but, really, I want to think about it objectively.
Let's first say that I'm not expecting to hard overclock a computer (ie. doubling the clock of the CPU), but I'd go by ...
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1answer
146 views
Testing watercooling system under load
I recently built a new system based on the Intel Core i7 3820K. When I purchased the chip, the salesman informed me that the new intel chips no longer include a thermal solution of any kind. After ...
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3answers
808 views
Overclocking: Is my gpu too hot?
I have a radeon hd 6670, and I have overclocked the GPU clock to 850 MHz and the memory clock to 1040 MHz. I then ran Diablo 3 with SpeedFan running in the background to check the heat of the GPU, and ...
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0answers
258 views
Overclock Failed
This morning when I tried to turn on my computer, the monitor would not display anything. The computer is on, but no UI on the monitor and no beep.
I turned off the computer and turn it back on ...
2
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1answer
355 views
Is there any way to limit the turbo boost speed / intensity on i7 lap?
I've just got a used i7 laptop, one of these overheating pavilions from HP with quad cores.
And I really want to find a compromise between the temp and performance.
If I use linpack, or some other ...
2
votes
1answer
2k views
Underclocking without BIOS option
I have never over/under/downclocked my laptop, however it is seriously suffering from overheating. I have cleaned it out and am running the fan at full speed the whole time. I also have turned the ...
2
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2answers
358 views
Undervolting & Overclocking the Llano A6-3400M
The AMD A6-3400M comes with a significantly higher stock voltage than is needed to operate stably. Has anyone tweaked and stress tested all the P-states to lower voltages?
I've stress tested the ...
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1answer
145 views
H61M-P23 B3 With I5 2500k - Is the multiplier locked?
I have seen a couple posts in some random places that say you cannot use an unlocked processor (K) with the 'H61M-P23 B3' motherboard. Can anyone verify this with a reference or explain their ...
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1answer
176 views
Dual channel the same in CMZ16GX3M4A1600C9 or 4 CMZ4GX3M1A1600C9?
I'm trying to decide between buying a 16GB (CMZ16GX3M4A1600C9) kit or 4 individual 4GB modules (CMZ4GX3M1A1600C9).
For some reason the place I'm getting them from (not newegg) its cheaper to buy the ...
