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Author Topic: Reflash your Nspire Diags without RS232!!!  (Read 11469 times)

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Offline critor

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Reflash your Nspire Diags without RS232!!!
« on: October 23, 2011, 07:30:05 pm »
We did it!!! :love:

Bsl as a developer, and me as a tester who doesn't fear bricking one or two Nspire, have finally, after severall months of work, managed to reflash the Diagnostics software included in the Nspire through an Ndless program today.

No need for an RS232 inteface anymore! You can freely upgrade/downgrade your Diagnostics software, install a CAS Diagnostics on a non-CAS model, install a TouchPad Diagnostics on a ClickPad model...

Tested on 5 calculators, with 3 different models among them: 100% success rate.



What? Useless you say? You never use the Diagnostics software?

But remember that the Diagnostics software is in NAND ROM, just after the Boot2...

The Diagnostics was just a way to test NAND ROM reflashing with the minimal risk of bricking the Nspire.



Imagine that you could soon be able to upgrade/downgrade your Boot2 just by pressing "Enter".

Imagine that you could mod your Nspire ClickPad prototypes into production models by replacing their development 1.1 Boot2 which won't let you install any 1.3 or above OS, by a production Boot2.
Of course, the development Boot1 would have to be replaced by the production Boot1 too, or the production Boot2 won't be run. But we're getting nearer and nearer... ;)



Another great day you shouldn't forget in the Nspire history! :D



For more informations and photos:
http://tiplanet.org/forum/viewtopic.php?t=8348
« Last Edit: October 23, 2011, 07:31:51 pm by critor »
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Offline DJ Omnimaga

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #1 on: October 23, 2011, 07:33:29 pm »
Wow nice. I think this definitively deserves news too.
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Offline Juju

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #2 on: October 23, 2011, 07:39:35 pm »
Awesome! Moved to News.
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Offline Happybobjr

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #3 on: October 23, 2011, 07:51:30 pm »
Should i download something quickly just in case?
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Offline alberthrocks

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #4 on: October 23, 2011, 08:08:34 pm »
Wow... this is awesome! :D Does that make this statement a little less true? ;)
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Offline XVicarious

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #5 on: October 24, 2011, 12:20:00 am »
holy shit this is cool.
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Offline willrandship

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #6 on: October 24, 2011, 01:07:39 am »
Hooray for progress! now, on to replacing the boot1 :P

Ooh, a thought: is there a limit to the diag size? we could fit an OS loader in just a few kb....then have it load a larger image, or a patched version of the normal OS, from the filesystem!

Unless the diag software is keyed....
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Offline bsl

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #7 on: October 24, 2011, 01:11:22 am »
Yep,
The program  needs some reworking.
It also needs a little more testing , and be made more user friendly.
« Last Edit: October 24, 2011, 01:33:59 am by bsl »
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Offline TIfanx1999

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #8 on: October 24, 2011, 03:02:11 am »
Good work guys! =)
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Offline critor

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #9 on: October 24, 2011, 04:54:43 am »
Quote from: Happybobjr on October 23, 2011, 07:51:30 pm
Should i download something quickly just in case?

We haven't published the program yet.



Quote from: alberthrocks on October 23, 2011, 08:08:34 pm
Wow... this is awesome! :D Does that make this statement a little less true? ;)

No, this has nothing to do with Ndless 3. It's just a Ndless program and so it cannot be used on CX calculators or 3.x OSes yet.

But you could soon be able to patch your ClickPad/TouchPad Boot2 or replace it totally by a 3rd party Boot2... Just imagine what could be done after that... Let's sum up: everything! :P
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Offline Jim Bauwens

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #10 on: October 24, 2011, 07:28:43 am »
Very nice work!
Just Awesome :)
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Offline Yeong

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #11 on: October 24, 2011, 09:38:01 am »
so is that mean I can install CAS OS in my non-CAS nspire? yay! :D
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Offline critor

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #12 on: October 24, 2011, 12:29:32 pm »
Quote from: yeongJIN_COOL on October 24, 2011, 09:38:01 am
so is that mean I can install CAS OS in my non-CAS nspire? yay! :D

You can allready run a CAS OS on a non-CAS Nspire, can't you ?


And the official Boot1/Boot2 images won't help with that as they are identical on non-CAS and CAS models.
« Last Edit: October 24, 2011, 12:30:17 pm by critor »
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Offline apcalc

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #13 on: October 24, 2011, 02:34:31 pm »
This is great to hear!  Congratulations to all involved in this wonderful accomplishment! :) :D
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Offline Happybobjr

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Re: Reflash your Nspire Diags without RS232!!!
« Reply #14 on: October 24, 2011, 04:04:06 pm »
Quote from: critor on October 24, 2011, 12:29:32 pm

You can allready run a CAS OS on a non-CAS Nspire, can't you ?
How?
Or does it not actually have cas available?
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