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Questions tagged [overclocking]

Overclocking is a method of trying to operate a processor faster than the manufacturer-specified clock frequency. Use this tag for questions about how to overclock the Raspberry Pi.

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12
votes
2answers
13k views

Why is my Pi running at 700MHz all the time?

My RasPi is configured to 900MHz overclock using raspi-config, but it keeps running at 700MHz even under load. I have found this answer already, and my system is also running with dynamic for info in ...
0
votes
2answers
517 views

How can I change the frequency?

I would like to change the frequency of the RPI, how can I do that, I'm using low level programming. Also how can I get the used memory and free memory?
5
votes
1answer
1k views

Does overclocking affect the SPI (APB) clock?

The current config.txt allows one to change arm_freq, gpu_freq, core_freq, h264_freq, isp_freq, and v3d_freq. In addition, there is support for the kernel to change clocks on demand and based on ...
3
votes
1answer
886 views

“shutdown -r now” crashed after overclocking

How I hosed my ext4 file system in the first hour with Raspbian: I have always used shutdown -r now. I tried this after editing my overclocking parameters manually. I remember setting arm_freq to 900 ...
3
votes
1answer
773 views

Overclock after power failure not possible

Immediately after install, I've overclocked my raspberry (1 GHz). After power failure today (the whole building) I can't overclock it again. First I tried: sudo raspi-config Then I tried to make the ...
22
votes
3answers
13k views

Why won't my Raspberry Pi overclock?

I edited the file /boot/config.txt to increase the CPU speed to 800MHz. dmesg includes the following line bcm2835-cpufreq: Freq 800000->700000 (min=700000 max=800000 target=700000 request=700000) ...
20
votes
4answers
21k views

Easiest way to return to a known good state when overclocking

If I try to overclock my Pi, I want to go up to the point where the Pi won't boot anymore, or won't be stable enough. At this point, I want to come back to the latest known good settings for the /...
35
votes
5answers
14k views

What are the overclocking capabilities?

I've not ordered mine (yet!), but I do some overclocking as a hobby to the extent that my netbook, Android phone, desktop, and even my wife's Blackberry are overclocked. Is there potential to ...