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Overclocking P3 B+ with ControlBlock



  • Does anyone have experience in overclocking the Pi3 B+ with ControlBlock (rev2) installed on top? Is overheating and throttling a problem?

    If necessary to connect the ControlBlock away from the Pi what kind of wiring solution (connectors) would be the best?

    Old post asking the same without any resolution: Re: Overclock with Controlblock

    What did you end up doing @SuperPitendo and @m2306 ?

    Thanks!


  • Global Moderator

    If you need to connect the ControlBlock away from the Pi I have recently released the ExtensionBlock, a GPIO extension add-on board that maybe might be of interest for you.



  • @petrockblog Thanks mate! But I've already bought the ControlBlock since it offers everything I need for a 2 player arcade button + joystick setup.

    Can you please confirm that I can connect it to the Pi with 2x13 jumper wires such as these?

    Thanks!


  • Global Moderator

    No probs :-) Yes, that should also do it.



  • @petrockblog Perfect :) Thank you for the fast replies!



  • I can’t get to my Pi now and wont have time to test for some time. Here’s what I can tell you atm. I overclocked as much as I could but it was less than many others say they can get out of their Pi. I have small heatsinks inbetween the the Pi and the controlblock. I haven’t played the most demanding stuff for long periods of time and I’m not forcing overclock but I have never had issues with heat.



  • @m2306 Thank you for the info!



  • Hey @nh81 :)

    I havent touched my pi since a year cause my setup is finished (for the moment) and now I am focused on my gamelists :)
    But I give my best and try to recreate as much as I can.

    Pi 3 B+ heat issues
    Overclocking is useless, if the pi heats up to high and starts throttling. A known issue of the Pi3b+ is that it gets pretty fast a high temperature. You can set a higher value but beware of overheating damage.

    Go to:
    /boot/config.txt
    Add code:
    temp_soft_limit=73
    (Default temp_soft_limit is 60)

    Overclock settings
    After some frustration and a lot of tries :D I think the following code was good.
    (I have a text file with 2 overclock settings. I cant remember wich is the better... but I this code worked...)

    arm_freq=1500
    gpu_freq=500
    core_freq=500
    sdram_freq=500
    sdram_schmoo=0x02000020
    over_voltage=6
    sdram_over_voltage=2

    Actually anything should work fine but there is the biggest issue (in my case) and it depends on your build.

    The heatsink system
    I love the active/passive-dual fan cooling system but it doesnt fit between the pi and controlblock. I used the dual fan heatsink already before I used the controlblock, so I took away the fans and just used the passive heatsink. At least it is a lot bigger than the regular passive heatsinks you can buy.
    Like @petrockblog said, check out his "ExtensionBlock". Looks like this allows you to have the controlblock attached and having space for a big cooling system.

    Sadly it is not a solution for me... I have not the space for adding the ExtensionBlock. Take a look at my build. Maybe it will fit in the upper right corner, where my pidrive is. But due to the space/fan-issues I quit the overclock project.

    Another issue I ran into was the power consuption. Anything that you plug in to your pi has an impact on your currency. As you can see on the picture. I have an extension cable between the power cable and the pi and also I use the pidrive (but for this I build in an I/O switch, cause I just use it if I wanna watch my fave movies).

    I hope this was helpful for you.

    83515607_2537617716475837_2766531225836322816_n.jpg



  • @SuperPitendo Thank you so much for all the info and effort. Much appreciated!



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