Cumana Reborn DSK support

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Dbug
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Re: Cumana Reborn DSK support

Post by Dbug »

I get it that it's often a question of signal, what I don't get is why it's so consistent in what works or not.

If it was really weak signals, then some games would sometimes work, sometimes don't work, sometimes random errors.

My experience is exactly the same as Bieno:
- Some of the HFE files always run
- Some just fail to boot at all (generally get stuck after the boot sequence)

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Symoon
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Re: Cumana Reborn DSK support

Post by Symoon »

Could it be something with the acess to the USB disk?
Did you try with a single HFE that works on the USB key, then deleting it and replacing it with a HFE that previously didn't work?

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ibisum
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Re: Cumana Reborn DSK support

Post by ibisum »

Hmm... could it be something in FAT32, i.e. GPT vs. MBR? Actually, doesn't FAT16 work, anyway, and be less fuss?

Maybe try to format the USB stick in Linux, versus Windows? Could be the 'quick-format' techniques in use on either platform are futzing up the Cumana firmware ..

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Dbug
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Re: Cumana Reborn DSK support

Post by Dbug »

Possibly, but the sticks were provided by the seller, and other people are saying that the default files work.
On the stick I got, my Oric Tech demo just freezes on startup

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Bieno
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Re: Cumana Reborn DSK support

Post by Bieno »

Piotr answered my email and I have been talking to him.
The Barbitoric demo also works and I hope it draws positive conclusions that will solve these problems for us.

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Dbug
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Re: Cumana Reborn DSK support

Post by Dbug »

Bieno wrote:
Mon Feb 22, 2021 8:30 am
Piotr answered my email and I have been talking to him.
The Barbitoric demo also works and I hope it draws positive conclusions that will solve these problems for us.
If you manage to get it all solved, please give a summary of what was done so I can try with mine :)

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Chema
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Re: Cumana Reborn DSK support

Post by Chema »

Bieno wrote:
Mon Feb 22, 2021 8:30 am
Piotr answered my email and I have been talking to him.
The Barbitoric demo also works and I hope it draws positive conclusions that will solve these problems for us.
Great! Keep us informed :)

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Bieno
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Re: Cumana Reborn DSK support

Post by Bieno »

After several common Piotr emails and testing the potentiometer (the one in the attached photo), in the end I have sent him La Cumana Reborn and he will fix it himself.

Image

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Chema
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Re: Cumana Reborn DSK support

Post by Chema »

Great! He will surely fix the problem.

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Dbug
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Re: Cumana Reborn DSK support

Post by Dbug »

Bieno wrote:
Thu Apr 22, 2021 8:47 am
After several common Piotr emails and testing the potentiometer (the one in the attached photo), in the end I have sent him La Cumana Reborn and he will fix it himself.
I did not even know there was some adjustable resistors in the device, did he suggest to try changing the position to see if that helps?
Would be nice if that was the same issue on mine.

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Bieno
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Re: Cumana Reborn DSK support

Post by Bieno »

Dbug wrote:
Thu Apr 22, 2021 9:18 am
Bieno wrote:
Thu Apr 22, 2021 8:47 am
After several common Piotr emails and testing the potentiometer (the one in the attached photo), in the end I have sent him La Cumana Reborn and he will fix it himself.
I did not even know there was some adjustable resistors in the device, did he suggest to try changing the position to see if that helps?
Would be nice if that was the same issue on mine.
He suggested that I do tests by turning it slightly in both directions but in the end I could not improve the problem I had

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Bieno
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Re: Cumana Reborn DSK support

Post by Bieno »

Chema wrote:
Thu Apr 22, 2021 9:13 am
Great! He will surely fix the problem.
I do not have any doubt :wink:

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Steve M
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Re: Cumana Reborn DSK support

Post by Steve M »

Cumana Reborn is based on Cumana which has the variable resister. It affects how the disk is read so shouldn't be the cause of boot-up issues. It looks under-powered to me, but I'm no expert.

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Re: Cumana Reborn DSK support

Post by xahmol »

Steve M wrote:
Mon Apr 26, 2021 10:12 pm
It looks under-powered to me, but I'm no expert.
Might that be a cause? I do not use an original PSU and here it works perfect.

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Re: Cumana Reborn DSK support

Post by Dbug »

I tried three different psu, did not change a thing in my case at least.

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