Hacking WIP [Trinket] [Rebug] [Others] SWITCHBOOT_UF2 / FUSEE_UF2 modchip software

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MastaG

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ApoQ said:
Hello everyone!
Did someone installed this chip? It's a new variant of the RCM-X86, called Trinket X86 v1.1.
I'm having trouble programming this chip (boots with SXOS boot.dat).
Click to expand...
I got the same chip.
I've only soldered, GND, 3.3V, D+ and D-.
My switch has AutoRCM enabled anyways, so no need for volume straps.

When I turn the thing on it flashes some blue and green leds and asks me for "boot.dat?".
After some googling I figured that must be the loader for SXOS.

I finally got around it, by using the boot.dat/boot.ini from SX Gear, which lets you load your own payload.bin.
So in the end I got it to chainload into hekate.

However, I really would like to program it with Fusee suite instead.
When I inject samd21_update.bin and press reset twice it doesn't spawm a folder for flashing?
Any ideas?

Also is it a trinket or a RCM X86?
 
binkinator

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MastaG said:
I got the same chip.
I've only soldered, GND, 3.3V, D+ and D-.
My switch has AutoRCM enabled anyways, so no need for volume straps.

When I turn the thing on it flashes some blue and green leds and asks me for "boot.dat?".
After some googling I figured that must be the loader for SXOS.

I finally got around it, by using the boot.dat/boot.ini from SX Gear, which lets you load your own payload.bin.
So in the end I got it to chainload into hekate.

However, I really would like to program it with Fusee suite instead.
When I inject samd21_update.bin and press reset twice it doesn't spawm a folder for flashing?
Any ideas?

Also is it a trinket or a RCM X86?
Click to expand...

It’s absolutely an RCM x86 clone. Follow threads for that chip (not trinket) and you will be fine.
 
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binkinator said:
It’s absolutely an RCM x86 clone. Follow threads for that chip (not trinket) and you will be fine.
Click to expand...
That's the point, I'm used to installing RCM X86 chips.
They usually ship with some outdated hekate payload.
But I always flash them with Fusee Suite instead, because it has battery management baked in (and it shows a nice red Nintendo logo when turning it on).

However this "Trinket X86 v1.1" will not open a folder for flashing after sending the samd21_update.bin and pressing reset twice.

I double checked the wiring, using kynar wire and D+/D- are not longer than 3cm.
Tried it on two PC's using various USB-C cables, but no dice.

It seems to inject the SXOS payload just fine.
I guess I have to just live with the boot.dat/boot.ini chainloader then.
Let's hope it will properly charge when the battery is fully drained.
 
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MastaG said:
That's the point, I'm used to installing RCM X86 chips.
They usually ship with some outdated hekate payload.
But I always flash them with Fusee Suite instead, because it has battery management baked in (and it shows a nice red Nintendo logo when turning it on).

However this "Trinket X86 v1.1" will not open a folder for flashing after sending the samd21_update.bin and pressing reset twice.

I double checked the wiring, using kynar wire and D+/D- are not longer than 3cm.
Tried it on two PC's using various USB-C cables, but no dice.

It seems to inject the SXOS payload just fine.
I guess I have to just live with the boot.dat/boot.ini chainloader then.
Let's hope it will properly charge when the battery is fully drained.
Click to expand...
Yeah, I’m not familiar with those at all. I can’t find anything about them on the inner tubes either. Where did you pick it up?
 
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binkinator said:
Yeah, I’m not familiar with those at all. I can’t find anything about them on the inner tubes either. Where did you pick it up?
Click to expand...
Actually a friend bought it from aliexpress as a "RCM X86" chip for about 10 bucks.
And he had it laying around for a couple of months before I had the time to install it for him.
I just checked but I couldn't find it either.

So it's probably a cheap clone or something.
If you happen to have a reliable source to get the original RCM X86 other than aliexpress then please let me know.
Because I actually told him to buy it from there and now I'm afraid I'll be getting the same crappy chip when I buy one :P
 
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MastaG said:
However this "Trinket X86 v1.1" will not open a folder for flashing after sending the samd21_update.bin and pressing reset twice.
Click to expand...
What chip does it use? Is it the same samd21g18 as the old rcmx86? It probably doesn't have the uf2 bootloader installed.

1650902021629.png


This is a picture I found on aliexpress. If it's the same one as you got then it's probably re-programmable. You can flash it using stlink or a raspberry pi with openocd.
 
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randy_w said:
What chip does it use? Is it the same samd21g18 as the old rcmx86? It probably doesn't have the uf2 bootloader installed.

View attachment 307477

This is a picture I found on aliexpress. If it's the same one as you got then it's probably re-programmable. You can flash it using stlink or a raspberry pi with openocd.
Click to expand...
Well he already has his switch with the chip installed, because the kids couldn't wait.
But it was a white chip, the one from your pic are the chips I usually get when buying from aliexpress.
Also it seems to work just fine if you put the boot.dat and boot.ini from SX Gear in the root of your SD-card.
You can then point to your payload of choice in boot.ini (hekate in my case).

I've ordered another chip from aliexpress which also has "SX OS" in the description.
I'll check it out once I get it.
If it also doesn't have the UF2 bootloader installed, then I'll see if I can program it with my old raspberry Pi.
 
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MastaG said:
But it was a white chip
Click to expand...
You mean like this one?
1649365731269-png.305351


This is the one I got from aliexpress several months ago and I think it's the old version. New version is like the one in the previous picture (2 leds, black pcb, silkscreen says Trinket X86 instead of RCM X86). If you got a white one like mine, it should boot to some old version of hekate with the factory firmware. Otherwise I don't know, maybe it's a knock off or they were clearing some old stock.
 
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The trinket M0 is cheaper than the RCMX86 and does exactly the same, and you don't need to order it from china and you get what you order. Also the reset button is more convenient than the magnet switch.

Another more reliable way to get the drive to show up on computer is to just plug the USB, put the Switch on sleep mode and then double click the reset. The payload doesn't work always, but this does. The main thing is only to make that the Switch USB is not on at the same time than the chip.
 
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yes i can write it to the Trinket M0 but i want to know bevor i try it , is it working witout all the wires ?

you have a How To what exat i need to do ?
when i put the UF2 Files on it nothing happend ...
 
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Nullinga said:
yes i can write it to the Trinket M0 but i want to know bevor i try it , is it working witout all the wires ?

you have a How To what exat i need to do ?
when i put the UF2 Files on it nothing happend ...
Click to expand...
You should really read the GitHub repo. It tells you what to do. So why don't you try it out? There is nothing you could brick. Flash it and see what happens.
 

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Nullinga

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when i make this nothing happend !
i write already i make same step you write me i your last Post

its not only this Step to change from FUSE-Lancher to FUSE-SUITE

and for what i try it ?
i here to ask people know it is working without Wires Soldering ...
 
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i see the TRINKETBOOT DRIVE and put Files Part 1 on it and nothing happend ...
what i answerd myself ?
answers like this not help
 

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