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Raspberry Pi OC ?


Dreadlockyx

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  • 5 months later...
(also some kind of a "chip pot").

NB pot might work. Though there is a row of pins near the core. Guess it depends on the size of the base. There is that thread about making a NB pot from the copper insert of the Intel stock coolers. That might be small enough.

 

From the looks of it, the core is probably powered from a linear regulator. If it's a fixed one, just pop it off and get an adjustable one. If it's adjustable regulator, find the resistors that set the adj pin.

Edited by just_nuke_em
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Does anyone have a raspberry pi? We have a beta multiplatform bench in java. Tested on win/linux/mac and works well, both with a gui and in console mode. Normally it should run on a raspberry too if you install an ARM java runtime.

 

github link:

https://github.com/frederikcolardyn/benchbot/tree/master/primebench

 

How do I use the source files ? Can't figure out how to include hwbot libraries. :D

Forgive my noob skills in programming.

 

NB pot might work. Though there is a row of pins near the core. Guess it depends on the size of the base. There is that thread about making a NB pot from the copper insert of the Intel stock coolers. That might be small enough.

 

From the looks of it, the core is probably powered from a linear regulator. If it's a fixed one, just pop it off and get an adjustable one. If it's adjustable regulator, find the resistors that set the adj pin.

 

I don't have an Intel cooler that I can mod for a small pot, so I'll try something with aluminum foil.

 

Here are some pictures of the board:

 

http://s7.postimage.org/51b7su0ne/WP_001113.jpg Front side

http://s14.postimage.org/6hdl1hpf3/WP_001113_2.jpg Front side, labelled

http://s7.postimage.org/hv99m6e2y/WP_001114.jpg Front side, core area

http://s7.postimage.org/fryueiea2/WP_001115.jpg Front side, USB controller area

http://s7.postimage.org/gb3xns5oq/WP_001112.jpg Back side

 

EDIT: When using the front GND, results differ from when using the back GND (although it's the same solder point). I don't understand why.

 

 

I expect the main issue will be in keeping the regulator and crystal from coldbugging.

The 19.2MHz crystal right under the core is not going to appreciate Cold at all.

 

What crystal are you talking about ? I have no idea what it may be.

 

 

Too expensive. :o

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Compiled version:

http://downloads.hwbot.org/downloads/hwbotprime.zip

 

Tested in win7/8, mac osx, linux ubuntu, but not yet on ARM. Should work though. :)

 

I'll try tomorrow, thanks. :)

1M has been much faster with Python if I'm not wrong, so that may be an option if this platform gains success in the overclocking community (just an advice).

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