The SD card does not compare to a proper ext ssd drive connected to the
usb .

Changing the OS with a new SD card will fix your issue, but not
necessarily due to the OS change, but more the fact you

changed the SD card, which will last again,... for a while.

uSD or SD card i/o issues occur on areas of the storage effecting
certain programs more than others, not using the same memory sectors.

An OS or cpu issue would effect all similar programs the same like wsjtx
with FLdigi which you state behaved different.

Anyhow here is what I was talking about ;

https://thepihut.com/blogs/raspberry-pi-tutorials/how-to-set-up-an-ssd-with-the-raspberry-pi


73

vk4tux




On 28/11/23 04:41, sdegroff, W8SRD via groups.io wrote:
>
> ? I am using a 256GB Sandisk SD.? It came with a 32GB SD pre-loaded
> with Ubuntu 22.04.3, had same issues with it. Acting like a computer
> with full disk, re-imaged existing system to 256GB and stretched the
> partition from 32GB to 256GB with Gparted.? All else running fine,
> just fldigi slows display and mouse waayyy down.I think it may be more
> like the Pi running Ubuntu 22.04.3 can't handle as the other gentleman
> mentioned. Covering the fldigi dislay with terminal window speeds the
> system back up even with the fldigi running in the background. I
> suppose the waterfall may be a little too intensive ?? However, WSJTX
> does not have a problem at all on the Pi.
>
> I could try the PI-OS.? Is Pi OS a Linux distribution and based upon
> Debian?
>
> Stan W8SRD
>