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Yes, we allready saw this on a TI-Nspire Color prototype.If you manage to boot it, could you tell us the OS/Boot1/Boot2 versions?Thanks.
Very interesting. You can see it's a prototype (TI-Nspire color), so this is just for easy debugging. I wonder if other dev OS's contain it too.
Quote from: critor on August 21, 2013, 03:35:00 amYes, we allready saw this on a TI-Nspire Color prototype.If you manage to boot it, could you tell us the OS/Boot1/Boot2 versions?Thanks.This calculator doesn't belong to me and I don't think it could boot into OS successfully.
If you (or someone else) buy one of the TI-Nspire Color, be aware that you won't be able to update it with production OSes.It includes development builds of the Boot1 and Boot2 which check the OS with the development RSA keys. So all production OSes released on TI website will be rejected.Unlike production TI-Nspire CX, the TI-Nspire Color Boot1 seems to be included in an external NOR chip present on the back of the screen board (and missing on production units, where the Boot1 was moved and secured inside a different ASIC chip), which means it might be possible to reflash it with a production or patched Boot1 image.This could prove be very interesting and useful We already did that TI-Nspire ClickPad DVT1.2 and DVT2.0 prototypes.But the chip here is completely different and so does need a specific tool we haven't developped yet.
On TI-Nspire ClickPad DVT1.2 and DVT2.0 prototype units and hardware revision A production units, the Boot1 was an external documented ROM chip, a SST 39WF400A.The flashing tool is available here with source code, but it's essentially assembly code implementing the read, erase and write functions:http://tiplanet.org/forum/archives_voir.php?id=10069 (Ndless 1.7/2.0/3.1)http://tiplanet.org/forum/archives_voir.php?id=4184 (Ndless 1.1/1.2 for the 1st prototype reflashing)On the TI-Nspire Color, the external Boot1 NOR chip is by MXIO.I have problems reading its reference on the photo, so I'm going to open my faulty TI-Nspire Color again.I'll either edit this post or reply in this topic.