I had to laugh at the irony of this response to a user called @Reader. 
Have fun with your estate of zynthians. They are great devices.
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Hi,
I just made a fresh SD card with the new stable for my V4 and ran an update after installation.
Unfortunately the audio input is not working.
Am i missing something?
Hi Hans,
I´m so stupid, thanks for your input!!
Burinig worked now (with rpi imager)
powered up my zynthian. First a saw some linux-typical lines running through the display. During this I had the feeling that this was running upside-down. Then the display turned black, and it stays black.
Checked mounting direction of display, but thers is only one possible orientation.
There are two display ports on my Rpi 5, and which one do a have to use? I used number zero.
The LED on Raspberry blinked two times green, then turns to red and stays red.
Correction, the LED starts with red, then blinks three times green, turns to red again and stays red
I had the same problem this helped …
Glad I could help.
Some users had similar problems. You’ll have to download the recovery image posted above this comment and make sure you download the latest stable image from 9/26 which disables overclock.
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Yes, very nice
Zynthian Boots !!
Thank You very much !!
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Day job is building stuff to remediate reading issues. I actually suck at reading which is why I am good at the job but terrible at finding “knob 3” in the manual. “Reader” is meant to be ironic!
So impressed with your work on this. Today I am going to see if I can expand the inputs of this by using an EVO8 and/or an ExpertSleeper Eurorack USB interface.
Will help get the word out. My keys friends are drooling over this.
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Anyone not getting Sound into the input?
Yes I do and maybe had the same trouble.
Try this:
- Main → Audio Levels
- Check “Input 1 Mode” and “Input 2 Mode” are in the right configuration.
There was an error in the input mode configuration which is fixed in Oram. Maybe this is what “broke” your input.
I have V4 hardware, can I hack my case, figure out some kind of active cooling, and use pi 5 or will relocated GPIO make it not work? Thanks for the amazing work!
Maybe this is not the right answer for your question but I have installed Oram on my V4 Zynthian Kit and it works like a charm. For me no need to upgrade to Pi 5 at the moment.
(But before xmas time I will additionally order a complete V5.1 Kit 
)
See here
53°C is absolutely no problem for the Pi5 and also a reasonable value for normal computing with original active cooler. Running Reaper with 5…8 audio tracks and some virtual synths and effects will go up to 63°C, also not a problem so far. It all depends on CPU load and the task you want to use the thing for. Room temperature is also a parameter 
.
I see two different meaning for “will relocated GPIO make it not work?”.
If you mean will the changes to the gpio support in the RPi5 Hardware cause a problem I think the answer as provided by @Lumm is no Because Oram will take care of it.
If you mean will there be any problem caused by changing the ribbon cable and possibly making it longer to accommodate some kind of new case layout, I think the answer is as long as you keep it reasonably short, it shouldn’t cause a problem. By reasonably short, I would guess, not adding more than a foot.
But I don’t think it will be easy.
Just a curious question to those running the Pi5 in the official zynthian 5.1 kit without additional active cooling: what is the common temperature indicated by the Pi5 when running idle and under full load? (I mean running continuously for an hour or two, not just five or ten minutes after power on.)
Check this thread, a temperature test was done there. V5 Minimal Upgrade Kit - #23 by chrismat
I can only see people testing active coolers on the Pi5. But I am interested in the passive cooling effect of the 5.1 case on the Pi5.