Problem with install SO, with my TI-nspire CAS

→ **MyCalcs** profile · de **Michele61** » 03 Mar 2018, 12:55

Good morning, I'm new in this forum and i hope you will help me.
The OS of my calculator crashes.
I've connected with RS232 my calculator with my Pc and I've installed the BOOT2 (ver 1.4.1571). Now i want to installl the OS and i don't know what version, can someone help me?
The term show me this:

Code: Tout sélectionner: 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: 48342 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 Loading BOOT2 software... 99% BOOT1: loading complete (370 ticks), launching image. Boot Loader Stage 2 (1.4.1571) Build: 2008/2/19, 23:19:10 Copyright (c) 2006, 2007, 2008 Texas Instruments Incorporated Using production keys Clocks: CPU = 90MHz AHB = 45MHz APB = 22MHz Checking for NAND: NAND Flash ID: ST Micro NAND256R3A Initializing graphics subsystem. Boot option: Normal Initializing filesystem. Datalight Reliance v2.10.1150 Copyright (c) 2003-2006 Datalight, Inc. Datalight FlashFX Pro v3.00 Build 1358 Nucleus Edition for ARM9 Copyright (c) 1993-2006 Datalight, Inc. Patents: US#5860082, US#6260156. Filesystem ready. Purging temporary files... Loading Operating System... Error loading OS image. Removing OS remnants. Deleting file [/phoenix/manuf.dat] Removing directory [/phoenix/install/] Waiting for OS download. Starting Connectivity services. Initializing USB subsystem...Done. Setting Console Log Level = 0 NavNet Ready. USB Download is enabled. Press <Enter> to download through the serial port. Checking battery level. Battery level is OK. Begin XMODEM file transfer. File transfer complete. Saving pre-load file. Error saving pre-load file. BOOT2 Error: installàààüààüà

I've also tried to upload the Boot2 ver. 3.0.1.131 but with this version is enable only the USB port but the USB port of my calculator doesn't work and I MUST CONNECT IT WITH RS232.
I hope that someone would help me

→ **MyCalcs** profile · de **critor** » 03 Mar 2018, 13:05

If I remember well, old Boot2 versions required an additional header when receiving the OS through RS232. I'm going to test.

Why can't you just use the USB port ? Is it broken ?

→ **MyCalcs** profile · de **Michele61** » 03 Mar 2018, 13:10

Yes, USB port it's broken and for this i've installed an old boot2 version

→ **MyCalcs** profile · de **critor** » 03 Mar 2018, 13:46

Confirmed it doesn't work on emulator without the additional header (same error message) and found back this old information :

Goplat a écrit:Although boot2.img is sent on RS232 as-is, OSes must be sent with a 32-byte header. The first 24 bytes, as far as I know, are unused. Bytes 24-27 are the size of the data to write to /tmp/manifest_img (nspire_emu always just set this to 0, and it worked, so I guess it's not important. Probably something left over from the CAS+.), and bytes 28-31 are the size of the data to write to /tmp/TI-Nspire.tnc. (Note: these sizes are big-endian)

→ **MyCalcs** profile · de **Michele61** » 03 Mar 2018, 17:11

Oh thanks, and do you know where I can find the correct couple boot2.img/OS? Would you be so kind to give me a link?

→ **MyCalcs** profile · de **critor** » 03 Mar 2018, 17:16

What kind of OS/Boot2 couple are you talking about ?
You current Boot2 1.4 should just be able to install and launch any OS.
(assuming the OS version is greater or equal to the last OS version installed on your calculator)

→ **MyCalcs** profile · de **Michele61** » 03 Mar 2018, 17:39

I've tried a lot of OS but it gives me this error:

Code: Tout sélectionner: Waiting for OS download. Starting Connectivity services. Initializing USB subsystem...Done. Setting Console Log Level = 0 NavNet Ready. USB Download is enabled. Press <Enter> to download through the serial port. Checking battery level. Battery level is OK. Begin XMODEM file transfer. File transfer complete. Saving pre-load file. Error saving pre-load file. BOOT2 Error: installàààüààüà