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Author Topic: Nspire 2.1 out, don't install it!  (Read 8441 times)
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critor
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« on: Wed 14 Jul, 10, 21:26:20 »
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TI has released OS 2.1 for the TI-Nspire and the TI-Nspire CAS.



The OS has allmost no new feature for the user. And strangely, TI has made great annoucements on their site...
I thought there were something suspectfull...


And unfortunately there is! Angry

Once you have installed OS 2.1 on your TI-Nspire ClickPad or TouchPad, you can't downgrade any more to OS 1.6 or older. So you can't use Ndless any more.

I've made many tests this evening, and I found no way to bypass that protection.


Strangely, the included boot2 is the same (1.4.1571). May be the protection has allready been there for a long time, and has just been activated by OS 2.1. Installing a 1.7/2.0 OS doesn't disable the protection. Even the maintenance menu, with "remove OS" or even "complete reformat" doesn't help.



For more information, just Google-tranlate (french):
* my news on TI-Bank -> http://ti.bank.free.fr/index.php?mod=news&ac=commentaires&id=837
* my tests on the TI-Bank forum -> http://tibank.forumactif.com/actualites-f25/os-21-sorti-t5803.htm

UPDATE by DJ Omnimaga: Moved to News section and submitted to Digg at http://digg.com/software/Texas_Instruments_takes_control_of_their_TI_Nspire_customers (I wonder what is the French equivalent of Digg). Please digg so more people in the world knows about TI actions.

UPDATE by DJ Omnimaga (July 18th 2010): Slashdot article at http://yro.slashdot.org/story/10/07/18/0152245/TI-vs-Calculator-Hobbyists-Again
« Last Edit: Sun 18 Jul, 10, 12:49:05 by DJ Omnimaga » Logged
apcalc
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« Reply #1 on: Wed 14 Jul, 10, 21:47:48 »
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This is sad news. Sad

I knew TI would do something like this.
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yunhua98
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« Reply #2 on: Wed 14 Jul, 10, 22:04:54 »
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so your nSpire is locked down?  if so, how can you delvelope Ndless 2.0 then? Sad
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« Reply #3 on: Wed 14 Jul, 10, 22:38:49 »
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Quote from: yunhua98 on Wed 14 Jul, 10, 22:04:54
so your nSpire is locked down?  if so, how can you delvelope Ndless 2.0 then? Sad

I don't belong to the Ndless developping team.
But yes, my Nspire is now locked to OS 1.7 or higher, and cannot run Ndless any more.

It would be nice to release Ndless for OS 1.7 now...
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apcalc
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« Reply #4 on: Wed 14 Jul, 10, 22:57:26 »
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Quote from: critor on Wed 14 Jul, 10, 22:38:49
It would be nice to release Ndless for OS 1.7 now...

That would be nice now.  It is probably the best way to get back at TI. Smiley

Although, If we want to keep with a French Revolution theme, we should wait until August 26, the day the last part of the Declaration of the Rights of Man and of the Citizen was adopted.

Or, for us, we should right the Declaration of the Rights of Calculators and of TI-Nspire Users. Cheesy
« Last Edit: Wed 14 Jul, 10, 22:59:28 by apcalc » Logged


Silver Shadow
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« Reply #5 on: Thu 15 Jul, 10, 01:40:55 »
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This is sad news, but I was expecting something of that sort from TI. They want to have full control over the Nspires.
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bwang
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« Reply #6 on: Thu 15 Jul, 10, 02:25:22 »
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Expected.
We need ndless2
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Lionel Debroux
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« Reply #7 on: Thu 15 Jul, 10, 04:29:52 »
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Ndless 2 does not work properly for now.
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graphmastur
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« Reply #8 on: Thu 15 Jul, 10, 08:05:32 »
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Just curious, if we cracked the keys and installed our own OS, would this get rid of the problem, or do you think since TI is now controlling their own "valid" OS, then they would also control ours by somehow preventing them from being installed.
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matthias1992
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« Reply #9 on: Thu 15 Jul, 10, 08:15:46 »
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Uh-oh this means something far more annoying. Any new Ti-Nspires most likely will have this pre-installed...
I hope there will be a OS signature crack coming soon or a new ndless.
I have never understood why TI is blocking their "own" community that much...why why why? Instead of fullfilling our wishes and making their machines twice as fast and trhice as cool they chose to go the microsoft way...eventually the'll be trhowing up so many barricades that the machine will slow down and even more, become unpractical. By blocking us they are eventually blocking themselfs!
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« Reply #10 on: Thu 15 Jul, 10, 08:21:48 »
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Quote from: matthias1992 on Thu 15 Jul, 10, 08:15:46
Uh-oh this means something far more annoying. Any new Ti-Nspires most likely will have this pre-installed...

The Nspire Computer automatically asks you if you want to upgrade to 2.1 when you connect your Nspire... Unadvised users are going to click "yes", of course... May be in the future, they could even upgrade without asking for our permission.

A new release of Ndless is strongly needed... Because soon, (in some months), a majority of Nspire calculators will have become unable to run Ndless any more.
« Last Edit: Thu 15 Jul, 10, 08:22:53 by critor » Logged
theUnnamed
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« Reply #11 on: Thu 15 Jul, 10, 10:20:25 »
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It sounds like they did a bios update when moving to 2.1
I actually had an interesting thought on the subject of hacking the nspire:
Nucleus is lynx based and therefor much like andriod we should be able to root it. What is preventing us from doing that? once we root an nspire you have god rights to the machine and can get at everything.
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« Reply #12 on: Thu 15 Jul, 10, 12:54:54 »
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Given that 2.1 doesn't work on the goplat's emulator, there probably is something being done w/the BIOS.
Bad TI, bad...
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« Reply #13 on: Thu 15 Jul, 10, 14:24:52 »
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@theUnnamed: like several of your recently posted thoughts in the other topic, this one isn't very interesting Wink
(it's good to have ideas, however - generic problem solving methods contain a "enumerate possible causes" phase)
Indeed, Nucleus is known to be a rather airtight piece of software. Better finding bugs in TI's code, which has consistently proved full of holes in the past 15 years (and keeps being so on the Nspire)... Smiley

2.1 non-CAS does not work on the emulator, but according to critor, 2.1 CAS does Smiley
But what "BIOS" are you talking about, guys ?
The boot1 is programmed at factory and isn't supposed to be changed.
The boot2 is the same as that of OS 1.7.x and 2.0. It could probably be modified after the fact by the OS or the boot1, however.
« Last Edit: Thu 15 Jul, 10, 14:30:08 by Lionel Debroux » Logged
critor
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« Reply #14 on: Thu 15 Jul, 10, 14:37:34 »
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In fact, no 2.1 OS is working on the emulator.
You can install them, but not launch them.


With OS 2.1 CAS or non-CAS and boot2 1.4, you're getting an emulator error and entering debug mode after the "loading OS" progress bar has reached 100%.

With OS 2.1 CAS and boot2 1.1, it's the same thing.

With OS 2.1 non-CAS and boot2 1.1, there seems to be a bug, as the screen freezes when the the "loading OS" progress bar reaches 100%. No error is reported. But this problem doesn't come from the emulator: the calculator is freezing too.


Is there a way on that emulator to launch the maintenance menu ?
I couldn't find a key mapped to the Home-Key.
I'd like  to install OSes 2.1 and 2.0 in 2 different flash-files, and then reformat.
That way, I would have less garbage to compare...
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