Author Topic: Even more early TI-Nspire prototype discovery  (Read 20401 times)

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Offline Freyaday

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Re: Even more early TI-Nspire prototype discovery
« Reply #30 on: January 05, 2012, 03:30:08 am »
I prefer separated arrows. Makes it harder to lean a key to the side and accidentally press another one. That said, the button in the middle renders it impossible to press more than one arrow key at a time with one finger. Where are all these prototypes coming from, anyway?
Also, will any of the released nSpire OSs even run on it?
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Offline Lionel Debroux

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Re: Even more early TI-Nspire prototype discovery
« Reply #31 on: January 05, 2012, 04:23:24 am »
AFAWCT, the CAS+ hardware has significant differences with even the hardware of prototype Nspires (those which use the latest prototype 1.1.x and 1.2.x versions, signed with development keys), so the released Nspire OS do not run on CAS+. The CAS+ (running OS version 1.0.x) even have a different communication protocol.
Yet, people keep scamming others, on eBay and other places, with those useless CAS+ models, and TI doesn't seem to be really eager to move in any way to solve the problem of scammed customers. The root cause of CAS+ items escaping into the wild by dozens, or even maybe hundreds, and being used for more than four years to scam customers, is TI not being careful enough about collecting CAS+...
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Offline critor

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Re: Even more early TI-Nspire prototype discovery
« Reply #32 on: January 05, 2012, 04:39:21 am »
If only TI would release the CAS+ OS, in order to to at least unbrick the CAS+ whose OS was removed by error/accident (by trying to upgrade through Menu+Enter+P for exemple...).

As the CAS+ OS is more than 4 years old and totally incompatible with the TI-Nspire, I cannot understand why... It's not like the CAS+ OS file will encrypt more critical informations than the latest Nspire CX OS...
« Last Edit: January 05, 2012, 04:40:48 am by critor »
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Offline Freyaday

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Re: Even more early TI-Nspire prototype discovery
« Reply #33 on: January 05, 2012, 04:39:44 am »
So, what happens when you try?
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Offline critor

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Re: Even more early TI-Nspire prototype discovery
« Reply #34 on: January 05, 2012, 12:55:25 pm »
So, what happens when you try?

The original CAS+ OS is removed.

And as TI has never released any CAS+ OS, your CAS+ is permanently bricked.
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Offline critor

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Re: Even more early TI-Nspire prototype discovery
« Reply #35 on: January 05, 2012, 02:04:11 pm »
I've taken you a photo of the TI-Phoenix 1 PCB!

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Offline DJ Omnimaga

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Re: Even more early TI-Nspire prototype discovery
« Reply #36 on: January 05, 2012, 02:25:47 pm »
Looks pretty interesting. :)

And to think TI was already developping a new calc shortly after the 89T/84+ release when we all thought they went almost 3 years without releasing anything...

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Re: Even more early TI-Nspire prototype discovery
« Reply #37 on: January 05, 2012, 02:33:33 pm »
So, what happens when you try?

The original CAS+ OS is removed.

And as TI has never released any CAS+ OS, your CAS+ is permanently bricked.
Unless you find a dumped CAS+ somewhere?
« Last Edit: January 05, 2012, 02:34:37 pm by Juju »

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Offline Nick

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Re: Even more early TI-Nspire prototype discovery
« Reply #38 on: January 05, 2012, 02:41:20 pm »
i thought there would be more components on that pcb, it's rather empty, isn't it?

Offline critor

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Re: Even more early TI-Nspire prototype discovery
« Reply #39 on: January 05, 2012, 05:28:23 pm »
2 other photos of the TI-Phoenix 1 hardware for you:







I've added the 1st MB photo to the 1st post.

You can read my comments an get the photos in higher resolution from the TI-Planet news:
http://tiplanet.org/forum/viewtopic.php?f=43&t=8643&p=119443#p119443

Offline Spyro543

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Re: Even more early TI-Nspire prototype discovery
« Reply #40 on: January 05, 2012, 06:22:39 pm »
Oh wow, that looks cool! :thumbsup: I do like that keyboard layout better than the current layout.

Offline Adriweb

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Re: Even more early TI-Nspire prototype discovery
« Reply #41 on: January 05, 2012, 06:27:45 pm »
So, what happens when you try?

The original CAS+ OS is removed.

And as TI has never released any CAS+ OS, your CAS+ is permanently bricked.
Unless you find a dumped CAS+ somewhere?

We (myself, geogeo, Extended?, critor...) tried quite hard to dump it, and for now ... no success .... :(
« Last Edit: January 05, 2012, 06:28:28 pm by adriweb »
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Offline willrandship

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Re: Even more early TI-Nspire prototype discovery
« Reply #42 on: January 05, 2012, 11:34:08 pm »
I wonder if you could convince TI to release the boot2 keys for the CAS+, so you could update the boot2 to allow the higher OS versions.

Offline critor

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Re: Even more early TI-Nspire prototype discovery
« Reply #43 on: January 06, 2012, 12:03:04 am »
No we won't be able to, as Nspire Boot2 are incompatible with CAS+ Boot2.



Anyway, Datamath has finally released the TI-Phoenix 1 page with its test:
http://www.datamath.org/Graphing/Phoenix.htm

The page does include some information I sent after performing my own tests.

Have a look at the OS about dialog box:


Yes, no mention of the "Nspire" name. It's a Phoenix OS !!!

Discover more secrets and higher resolution photos of the OS for now in my news:
http://tiplanet.org/forum/viewtopic.php?t=8644
« Last Edit: January 06, 2012, 12:04:26 am by critor »
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Offline Nick

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Re: Even more early TI-Nspire prototype discovery
« Reply #44 on: January 06, 2012, 04:37:37 am »
well, the basic os layout looks quite the same, as you can see on that graph page, with the layout of 4 pages on 1..
but the upper bar is totaly different O.o tbh, i like the new layout more :)