[volaltd]

Looks like we have nothing new for a long time, let's look back a little

Found attached document at fccid.com

Connected USB-TTL adapter give me:
*** ComBox Console ***

Commands
 -?- for Help
 -x- Exit Menu

Menu List
 3 - Show Version-Info
 5 - Coding Menu
 7 - Read Voltage/Temperature
 b - Time Info
 l - Login

After login menu is more interesting:
Commands
 -?- for Help
 -x- Exit Menu

Menu List
 1 - SWDL Menu
 2 - Log Menu
 3 - Show Version-Info
 4 - Show AtMegaVersion
 5 - Coding Menu
 6 - Keep ComBox Alive
 7 - Read Voltage/Temperature
 8 - Force Reset (no ErrorMem)
 9 - Aux Adjust Menu
 a - DeveloperMenu
 b - Time Info
 c - Set Time
 l - Login
 0 - Exit to shell

Here description of nice work of one guy:

Rule 3: Do not Post Links on the Board! External links must be attached in a notepad file.

Thanks, Admin

Like this

[volaltd]

Soldered miniUSB connector, modem detected on Windows, after driver install appears as modem with serial port. Answering to full list of AT-commands till UserWare start.

[volaltd]

It's not possible to switch MEDIA part from F to E and vice versa just with coding. NAD has identical firmware. v850 firmware on ECALL part is different and MCU blocked from reading.

[volaltd]

Internal modem chips and NGTP description

[volaltd]

https://cartechnology.co.uk/showthread.p...#pid493770