Questions tagged [overclocking]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1 vote
0 answers
83 views

How to overclock STM32F303VC and make it work at 72MHz?

I am trying to overclock my STM32F303VC. Unfortunately I can't due to a HARD FAULT EXCEPTION. Could you help me to find the error? I also attached the code. ...
user avatar
0 votes
1 answer
283 views

ATMEGA328P Max Clock Speed Without Divider

Does anyone know what the max clock speed of the ATMEGA328P is, without the clock divider? I know that people have been able to overclock the 328 to 30 - 50 Mhz, but I haven't found if those are using ...
user avatar
  • 1
0 votes
2 answers
46 views

What percent increase in electricity consumption would a ~30% overclock yield (assuming it works safely)?

I have a piece of hardware that I want to make run at the same speed as a newer hardware. I know that this increases the energy, and I'm not sure if it is a linear relationship. I want to know how ...
user avatar
0 votes
2 answers
895 views

Overclocking an image sensor for higher FPS

What happens if I overclock an image sensor? For instance the OV7670 (datasheet) which has a rated maximum system clock input (XCLK) of 24 MHz and maximum pixel clock (PCLK) of again 24 MHz. The ...
user avatar
  • 431
0 votes
2 answers
504 views

CPU-Multiplier Overclocking causing (silent) data corruption?

There have been a large number of threads regarding CPU overclocking and damage to electrical components in the past. Mostly, however, these questions were directed at how increased voltage and the ...
user avatar
1 vote
2 answers
248 views

How overvoltaging makes graphic processing unit operate faster?

My teacher told me that we are trying to make transistors smaller so that they require less electricity to operate, hence make them faster (because changing form 1 signal to 0 or vice versa need less ...
user avatar
1 vote
4 answers
1k views

How does VCO in PLL in computer processor work?

In todays personal computers and notebooks, what is usually used as a Voltage-Controlled Oscillator for generating clock signal for processor? Is that a crystal rather than RC circuit? Is it tuned by ...
user avatar
  • 381
2 votes
4 answers
1k views

How do computers deal with RAM latency?

The clocks of CPU's have gotten faster than RAM. So computers have to wait a particular number of clock cycles between sending an address and receiving data. But how does a computer know how many ...
user avatar
-2 votes
1 answer
107 views

AtMega328p A/D inaccuracy

I'm getting A/D readings from an AtMega328p chip that are about 10% higher than I can read on the input signal with a meter. I'm measuring room temperature with an LM34CZ Fahrenheit temperature ...
user avatar
  • 3,132
3 votes
2 answers
11k views

Why does increased voltage increase processor performance

When you increase the voltage into a computer's CPU it increases the clock speed of the processor and can lead to better performance. Why does the increased voltage cause the processor's clock speed ...
user avatar
0 votes
1 answer
2k views

Can I run an ATmega on 3.3V with an external 16 MHz crystal? [duplicate]

I have been told that is overclocking or it just will not work, but I want to be sure. And are there any real differences that would effect from this? Any tips and tricks will help, thanks!
user avatar
  • 246
0 votes
3 answers
1k views

Can a CPUs speed be increased by (physically) upgrading the CPU clock?

I don't know much about CPU operation, but I'm learning. I read somewhere that making a CPU work faster is as simple as increasing the clock speed (one method among many), and that the real limiting ...
user avatar
6 votes
1 answer
2k views

Is CPU/GPGPU heat dissipation quadratic in clock frequency?

In the following article on overclocking a Pentium from 1GHz to 5GHz using liquid nitrogen: The 5GHz Project, there is an assertion that "Heat dissipation rises exponentially during extreme ...
user avatar
8 votes
2 answers
865 views

How Modern Overclocking Works

Forgive me if I misunderstand some basic EE principles -- I'm a CS guy. After some googling, nobody really explains how the chip runs faster. I understand voltage must increase per this related ...
user avatar
0 votes
1 answer
293 views

Computer in oil inside refrigerator [closed]

I have a computer outside its case. All the components are attached and working properly, the problem is that fans dont seem to do a good enough cooling when demanding programs such as high end games ...
user avatar
2 votes
3 answers
807 views

Am I overclocking a PIC18F4525?

I'm working on a legacy product, so I can't adjust the crystal or board in any way. It was originally written in PicBasicPro and I'm moving things over to Hi-Tech C. It's a Pic18F4525 and has a 20Mhz ...
user avatar
4 votes
5 answers
1k views

How much overclocking is "okay"?

So I'm using a PIC32, it's rated for 80 MHz operation. But my crystal might be inaccurate, so it could oscillate at 80.01 MHz. I can presume this is okay, but what if I were to use a 7.3728 MHz ...
user avatar
  • 31.1k
8 votes
3 answers
5k views

Overclocking: permanent damage?

I've always been under the impression that overclocking of any sort of CPU (for a PC, or a microcontroller), its a bad thing. Your'e essentially operating the unit outside of the manufacturer's ...
user avatar
  • 3,720