Official PSIO News and Development Thread

Official Development, Research, Bug Fixes and Progress directly from Cybdyn Systems
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This section is for development news, research, bug fixes, progress, changes and information in regards to PSIO directly posted from Cybdyn Systems. Do not post any questions here relating to your order as they will be deleted. Instead, please go back and create a new post in the "Help and Support" forum. Thanks.
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zredgemz
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Re: Official PSIO News and Development Thread

Post by zredgemz » December 22nd, 2018, 2:50 am

Oh no problem. I was just curious on the cause. It's pretty fascinating how this works.

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Re: Official PSIO News and Development Thread

Post by keropi » December 24th, 2018, 10:58 am

my PSIO is still running older firwares/menu , from September 2017
can I just update to the latest version straight away?
thanks!

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Re: Official PSIO News and Development Thread

Post by Matt » December 24th, 2018, 4:56 pm

Yes, you can just update to the latest version straight away without any problems whatsoever.

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Re: Official PSIO News and Development Thread

Post by MateriaMind » December 26th, 2018, 9:23 am

Received my new PSIO a couple days back and you guys have certainly knocked it out of the park. The packaging, the new injection molded case and connector- just everything is top-notch. Much better than the initial launch versions!!! You guys rock :praise
"What is a man?!? A miserable little pile of secrets!"

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Re: Official PSIO News and Development Thread

Post by pyroesp » December 26th, 2018, 12:45 pm

Since I saw the parallel IO on the PS1 I've wanted to make something similar to the PSIO, maybe through a system like the HDD on a PS2, but I've never really gotten into looking at how I would tackle such a project.
I can tell however this is not easy to do and I commend the PSIO HW and SW engineers.
I think the price is very fair (150AU$->93€) and I'm seriously thinking of buying one.

I do have a question. I've been reading the docs and the PSIO uses around 150mA of current, which generates quite a lot of heat.
I saw the PCB picture and you're using linear voltage regulators. Wouldn't it have been more efficient to use buck converters ?
It would have increased the BOM by a few cents or dollars, but would not waste as much power as those voltage regulators. Those wouldn't get hot (or at least, less hot).
I'm just curious why you chose linear voltage regs over SMPS. Maybe noise? Easier to use/layout?

Thanks

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Re: Official PSIO News and Development Thread

Post by Jumpingmanjim » December 26th, 2018, 9:19 pm

A couple of pages back people were talking about how if the SD Card isn't formatted with the right cluster size then the PSIO won't boot it. Well I was having trouble with getting it to boot so I formatted it with 1024KB as the cluster size and it works every time now.

I only have a Mac at the moment so I had to do it by command line.

1. Run Disk Utility and right click on your SD card in the list of drives and click get info.
2. Note the BSD Device node Make sure you have the right one or you might format another disk accidentally
3. Run

Code: Select all

diskutil unmount /dev/yourBSDDeviceNodeHere
4. Run

Code: Select all

sudo newfs_exfat -b 1048576 -v exFAT /dev/yourBSDDeviceNodeHere 
and enter your password.
5. Run

Code: Select all

diskutil mount /dev/yourBSDDeviceNodeHere
That will format it with 1048576 bytes per cluster, which equals 1024KB.

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Re: Official PSIO News and Development Thread

Post by Matt » December 27th, 2018, 3:17 pm

pyroesp wrote:
December 26th, 2018, 12:45 pm
I'm just curious why you chose linear voltage regs over SMPS. Maybe noise? Easier to use/layout?
Voltage regulators are more stable which results in less noise.

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Re: Official PSIO News and Development Thread

Post by fernan1234 » December 28th, 2018, 4:03 am

Speaking of the heat generation by the PSIO, I did notice that after a long session of use (about 3 hours) there was a slight smell of electronics overheating on the back of my PSX, and the PSIO felt a bit warm to the touch. Would this be normal?
I realized this as I went to remove the PSIO after FF7 crashed (an issue I reported in the Support forum).

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Re: Official PSIO News and Development Thread

Post by pyroesp » December 28th, 2018, 7:07 am

Matt wrote:
December 27th, 2018, 3:17 pm
pyroesp wrote:
December 26th, 2018, 12:45 pm
I'm just curious why you chose linear voltage regs over SMPS. Maybe noise? Easier to use/layout?
Voltage regulators are more stable which results in less noise.
Hey Matt thanks for the reply, I thought that that was why you chose those.
I don't know how you routed the different voltages so if the 1.2 and 3.3V are fed from the 5V linear voltage regulator, that means it has to dissipate all of the current used and that's going to generate quite a bit of heat. Would a combination of both a buck converter for the 5V and the linear voltage regulators for the 1.2V and 3.3V be more appropriate for like power dissipation and low noise for the lower voltages?

I have a bachelor in electronics and this is super interesting to me :).

Order has been placed :dance :!:

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Re: Official PSIO News and Development Thread

Post by Matt » December 28th, 2018, 6:14 pm

fernan1234 wrote:
December 28th, 2018, 4:03 am
Speaking of the heat generation by the PSIO, I did notice that after a long session of use (about 3 hours) there was a slight smell of electronics overheating on the back of my PSX, and the PSIO felt a bit warm to the touch. Would this be normal?
I realized this as I went to remove the PSIO after FF7 crashed (an issue I reported in the Support forum).
Yeah, it's normal :)

pyroesp wrote:Hey Matt thanks for the reply, I thought that that was why you chose those.
I don't know how you routed the different voltages so if the 1.2 and 3.3V are fed from the 5V linear voltage regulator, that means it has to dissipate all of the current used and that's going to generate quite a bit of heat. Would a combination of both a buck converter for the 5V and the linear voltage regulators for the 1.2V and 3.3V be more appropriate for like power dissipation and low noise for the lower voltages?

I have a bachelor in electronics and this is super interesting to me :).

Order has been placed :dance :!:
The PlayStation's 7V rail is regulated down to 5V by the main 5V regulator and then branched to 3V3 and 1V2 by additional regulators. We could experiment with the buck conversion. Feel free to draw up a schematic and I'll check it out :)

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Re: Official PSIO News and Development Thread

Post by FBX » December 28th, 2018, 8:38 pm

I can see it now: 3D-printed back case noctua ventilation fan kits. ;-)

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Re: Official PSIO News and Development Thread

Post by NRGDEAD » December 28th, 2018, 9:49 pm

FBX wrote:
December 28th, 2018, 8:38 pm
I can see it now: 3D-printed back case noctua ventilation fan kits. ;-)
I was thinking about getting a quad USB charger to power the Hydra SCART switcher I'm eyeing, as well as a Raspberry Pi for streaming. Could as well add an USB fan to be pointed at the PSIO. ;-)

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Re: Official PSIO News and Development Thread

Post by Jumpingmanjim » December 28th, 2018, 10:43 pm

My PSIO is watercooled.

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Re: Official PSIO News and Development Thread

Post by Matt » December 28th, 2018, 11:10 pm

Jumpingmanjim wrote:
December 28th, 2018, 10:43 pm
My PSIO is watercooled.
Comment of the year :clap

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Re: Official PSIO News and Development Thread

Post by adiM » December 29th, 2018, 11:43 am

Hi, I just recently got around to installing my PSIO and so far I'm loving it! However I would like to be able to reset to BIOS to manage save files and the "Restart PlayStation" option in the menu says "Not Available [In Development]". I'm using v2.6.5 and it seems like this feature should be available according to the changelog or am I doing something wrong?

Regards, adiM

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Re: Official PSIO News and Development Thread

Post by NRGDEAD » December 29th, 2018, 3:40 pm

I think it was temporarily disabled due to a bug, but is supposed to be back soon in an update. Or it might be unavailable in fast boot at the moment.

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Re: Official PSIO News and Development Thread

Post by Matt » December 30th, 2018, 4:47 pm

It's temporarily disabled. We'll add it back in another update.

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Re: Official PSIO News and Development Thread

Post by adiM » December 31st, 2018, 4:38 am

Ah, ok. Thanks for the info, otherwise really enjoying this device so far! Hope you keep up the great work!

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Re: Official PSIO News and Development Thread

Post by Jumpingmanjim » January 3rd, 2019, 6:15 pm

Is there an update coming out that will make me less bad at Symphony of the Night?

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Re: Official PSIO News and Development Thread

Post by fernan1234 » January 5th, 2019, 6:31 am

"Restart the Playstation" was the only way to access memory card management without having to remove the PSIO cartridge, right? Hoping the option will be back soon to avoid stressing the connectors.

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