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Messages - critor
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1576
« on: February 04, 2011, 07:19:22 pm »
Development Boot1 is now dumped too:
Boot Loader Stage 1 (1.1.8129)
Build: 2007/3/26, 23:28:47
Copyright (c) 2006, 2007 Texas Instruments Incorporated
Using developer keys
And as you can guess, it doesn't want to load a production boot2.
Goplat, do you think we could use the same trick to dump the 1.0 boot1/boot2/OS of a TI-Nspire CAS+ ?
If the hardware is not too different and if it's using the same developer keys, the 1.0 OS might be launched by my developer boot2 1.1.
Of course, the exploit may not be present...
But there's another difficulty: the TI-Nspire CAS+ are using a different transfer protocol and need the 1.0 version of the TI-Nspire Computer Link.
That version checks the TNC files before sending them to the calculator, and it's saying that all my current TNC files are bad.
Looking at the decompiled Java source code, it seems to look for a manifest file inside the TNC archive. But I cannot figure out everything as a part of the code is called through JNI.
1577
« on: February 04, 2011, 05:55:16 pm »
Development boot2 1.1.8310 dumped.
It's running correctly if started directly by Goplat's emulator.
You even get the small square in the top left-hand corner.
Here's a log:
Boot Loader Stage 2 (1.1.8310)
Build: 2007/4/1, 23:28:14
Copyright (c) 2006, 2007 Texas Instruments Incorporated
Using developer keys
The last line usually said "Using production keys".
Same problem with the emulator of course: it won't install the OS.
But production boot1 1.1.8916 doesn't want to run the development boot2.
Boot Loader Stage 1 (1.1.8916)
Build: 2007/4/23, 23:37:16
Copyright (c) 2006, 2007 Texas Instruments Incorporated
Using production keys
Last boot progress: 0
Clocks: CPU = 90MHz AHB = 45MHz APB = 22MHz
Available system memory: 37292
Checking for NAND: NAND Flash ID: ST Micro NAND256R3A
PM is turning the device OFF
PM has turned the device ON
SDRAM memory test: Pass
Clearing SDRAM...Done.
Clearing SDRAM...Done.
Clearing SDRAM...Done.
Boot option: Normal
Read of bootdata failed
Loading DIAGS software...
Error reading/validating DIAGS image
Error loading DIAGS. Switching to BOOT2.
Loading BOOT2 software...
Error reading/validating BOOT2 image
Error loading BOOT2, looking for pre-installed images.
Checking for DIAGS image in pre-install area.
No DIAGS image found.
Checking for BOOT2 image in pre-install area.
Reading BOOT2 image from pre-install area.
Erasing old BOOT2 image.
Updating BOOT2 image.
BOOT2 image has been updated.
Finished loading pre-installed images.
Restarting now.
Boot Loader Stage 1 (1.1.8916)
Build: 2007/4/23, 23:37:16
Copyright (c) 2006, 2007 Texas Instruments Incorporated
Using production keys
Last boot progress: 1
Clocks: CPU = 90MHz AHB = 45MHz APB = 22MHz
Available system memory: 37292
Checking for NAND: NAND Flash ID: ST Micro NAND256R3A
SDRAM memory test: Pass
Clearing SDRAM...Done.
Clearing SDRAM...Done.
Clearing SDRAM...Done.
Boot option: Normal
Read of bootdata failed
Loading DIAGS software...
Error reading/validating DIAGS image
Error loading DIAGS. Switching to BOOT2.
Loading BOOT2 software...
20%Error reading/validating BOOT2 image
So upgrading my prototype would require to update both boot1 and boot2 simultaneously.
We can't even update the diags software correctly, so I suppose nobody wants to try that for now...
So we were right: I need a developer-signed 1.1 OS.
Edit: Diags is dumped too. The version is "simply" 1.1.8310.
1578
« on: February 04, 2011, 03:10:54 pm »
Thank you Goplat.
The exploits are randomly triggering some things.
See your email.
1579
« on: February 04, 2011, 12:53:27 pm »
I've just repatched all TI-84+ OS 2.30 to 2.55, and sent them successfully on my basic TI-83+ with TI-Connect 1.6.1.
I do not understand the problem.
1580
« on: February 04, 2011, 04:08:27 am »
I recently found a boot code exploit that might be usable. No guarantee that it'll work on this older version, but it might... Are you interested?
Yes. Please, tell me about it.
1581
« on: February 03, 2011, 08:36:34 pm »
The attached 1.4 OS is 100% identic to the one I tried to install 2 days ago. When the computer "install OS" progress bar reaches 100%, I get the error "OS is invalid or damaged". Yes, apcalc, you can send them my images or modified images, as you wish. I think that my english written emails are being forwarded to the french speaking TI-Cares team, because of my registration... And either they know even less things than the english guys, either they don't understand english, either they do hate me (which is perfectly possible) 
1582
« on: February 03, 2011, 08:16:21 pm »
I guess I should respond back saying that installing OS 1.4 gave the same error?
Yes, please. Of course it didn't work Unless they attached you a "special" 1.4 OS? Can you check?
1583
« on: February 03, 2011, 07:47:43 pm »
I'm seen him online on TI-Bank yesterday, so don't worry 
1584
« on: February 02, 2011, 08:24:50 pm »
I sent an e-mail to them. They did not answer my last e-mail, so I hope things go better this time! 
Allready? Thanks! I wonder if they have a black list of people they should not answer to...
1585
« on: February 02, 2011, 08:15:00 pm »
Just remember, Ti-cares.
Err... I wonder if TI-Cares has blocked my email... They haven't been answering me for months now... 3 weeks ago, I asked them about the screen capture software for the TI-80 viewscreen (yes that special TI-80 has a link port). No reply... I might have a very bad reputation amoung the TI-Cares guys for various reasons, you know... Anybody who can email in my place? You've got all the informations above: boot1/boot2 versions, and even the serial.
1586
« on: February 02, 2011, 07:53:36 pm »
If it is a prototype maybe it can only accept OSes signed from the development team, it would be odd to allow all OS transfer to not try install anything So now, the big question... where can I get any 1.0/1.1 OS signed from the development team? . . .
1587
« on: February 02, 2011, 06:16:00 pm »
I see. I hope it's not something to do with my calc/computer/the fact I use TI-Connect either X.x
Probably not. Either I've made a mistake when creating the patch... Either you haven't applied it to an original unmodified OS file. Sorry, I haven't had the time to work on this today.
1588
« on: February 02, 2011, 06:09:32 pm »
Try connecting one of your CAS+ calculators to it to see if it will transfer the OS ??
Thank you for the idea, but unfortunately it won't work for 2 reasons: 1) Different transfer protocols. The CAS+ needs the TI-Nspire Computer Link 1.0 and is not detected by further versions. The CAS+ cannot exchange documents with commercial basic or CAS TI-Nspire. And this prototype is detected by the TI-Nspire Computer Link 1.4, which means it is not using the CAS+ transfer protocol anymore. 2) Anyway, the "Send OS" menu item is disabled on the 1.0.554 OS which is the one running on both CAS+ I have. Joerg from datamath.org noticed the same problem with his CAS+ with the 1.0.554 OS, but told me that this menu is enabled on his prototype with the older 1.0.494 OS. Maybe if we could dump/ndless the 1.0.554 OS, we could figure out some things... One of the Ndless 1.7 exploits is triggering things on my CAS+...
1589
« on: February 02, 2011, 04:19:04 pm »
I noted a mistake in your topic: "anterior" doesn't not exist in English, translation is prior or previous.
Thank you. I've just patched my post
1590
« on: February 02, 2011, 12:56:05 pm »
No idea about that.
I bought it to a TI-Bank user who bought it online.
He just sent me the link to the seller page.
I'm going to ask...
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