Game Boy Advance TS Board

Good intel! I had already figured the link with old IGN, though. For what it's worth, I believed the 3DS proto boards were called TEG2.

 

Here it is, the 3DS TEG2 board: https://fccid.io/document.php?id=1272995
And another one: https://fccid.io/document.php?id=1234277

 

yep, because they have TEGRA chip

 

That's not right since the DS test boards were also called TEG, and those housed non-NVIDIA SoCs.

 

TEG title != Tegra chip. As said, TEG was also the name for the DS proto boards.

I can't say for certain, but I don't think any 3ds proto boards were made using tegra chips. If were we would find some reference to it in early SDKs (much like the DS/Nitro SDK have sprinklings of Iris through out when it was a single screen device).

 

Do the TS board GBA bios have any significant differences with the retail BIOS?

 

Resurrecting this thread as I have this unit and would like to know if anyone ever confirmed the power input requirements? I have tested 5v 1A with no success.

And did we get any confirmation on positive center vs negative center pin?

 

So im ressurecting this thread because I have obtained one of these boards and OP never ended up finding a working PSU for his, according to his PM to me a few days prior. I have attempted to use a 5v 1a psu with no luck.

Even though some people in this thread have done fine work inspecting the data sheets to determine what supply this hardware may take, I am surprised at 5v considering the predecessor to this unit used a SNES psu which I believe is 9v?

I am willing to experiment a little, but I was wondering if anyone could give me tip's for safe ranges of voltage/amperage to test? I am in the same position as OP in that we both don't know if these boards are working, so its a little trial and error to see whether or not these boot. I am not a EE, so forgive my ignorance on electricty related matters, I just don't want to start testing the waters because I am sure to burn this thing out if I am left to my own devices

 

Don't plug in anything until you know what polarity you're working with. I shudder to think what would happen if you plugged in the wrong polarity, even at 5v. Given the history of polarities on existing products from the time period I'd guess it's a positive. GBC, GBL, GPB all use it. Older products like the DMG, SNES use negative tip.
1 amp should be more than plenty, 5V seems reasonable given the 2 AA power requirement of the final hardware only needs 3 volts. Like I said, I'd guess positive tip but that is a huge deal to get wrong so you want to be 100% sure.
What polarity did you try?

 

You can just meter out the ground pin of the voltage regulator back to the dc jack.

 

I didn't have a 5v psu with the correct center pin size so I spliced the correct size connector to it, making determing the polarity tricky. If someone can advise on how to figure it out under those conditions it would be appreciated.

Is there a history of nintendo using different polarity on products? With the previous GBC proto board it used a SNES power connector. You would think there might be some consistency there, but im not knowledgeable enough on the subject to speculate.

 

Do you have a multimeter? You can use it to check the continuity between two points, so you can find out how that connector you found is wired. Like Bad Ad said you can also use it go between the regulator whose pinout is documented in the post on the first page, and the dc port.

 

Except the center pin connector for the 5v 1a psu is gone now Otherwise I would have tried this. Sorry the rest is over my head. Happy to send this to a trusted member who wants to take a look however!

 

I'd have a look. Pretty sure you should know me from Sbhacker too

 

I'd love to, but Bad Ad has already spoken up, and he'd be more knowledgable then me. Otherwise I definitely would.

 

I KNEW I saw this before the release of the GBA. It was this article from IGN. This article made me so friggin stoked for the system, I was at peak Gameboy fandom coming off the GBC. I figured I'd post here for nostalgia sake

https://ca.ign.com/articles/2000/08/22/game-boy-advance-development-kit-revealed

 

Some news, and a bit of a request for help.

So as per the data sheet posted on page 1, this is the pinout for the regulator


As we can see pin 2 is ground. Metering pin 2 to the center barrel pin yields a connection(This picture was a bitch to take by myself, hence settling for one containing a 0.01 measurement)


Unfortunately, during the testing between points, I found the connection between the input of the regulator and the positive part of the barrel plug stops at this fuse



So my request for help is this, can we find a suitable replacement fuse for this? It obviously looks like 1 amp but as for voltage parameters I'm having trouble finding them for the "820" part number printed on this.

Otherwise, I have a hunch this unit uses a Super Famicom power adapter. The polarity matches, the voltage falls within specs of the voltage regulator, and the plug fits perfectly into this unit. Also ex devs by memory have stated it uses a "Super Nintendo" plug, hence my guess.

 

You can use a fuse of higher voltage rating. Just find a 1 amp fuse that's above like 12v and it should be fine. I'd imagine most to be rated 35v or 50v anyway

Only the current rating is important really (exceptions apply, but not in this low voltage.)

 

Excellent, thanks!

 

I've confirmed the Super Famicom adapter is the correct power supply for these boards. It seems to share the same boot sound as the prototype that was unveiled Aug 24th 2000.