ROM, Software version on HP 12C

[Didier Lachieze]

(04-23-2022 07:42 AM)Divasson Wrote:  By the way, the latest HP-12c+.bin file I found is from 2011. Installing it would mean rolling back several versions!

And it may not work on the recent 12Cs which are using a different CPU since 2015 as listed in this thread (12C+ v1 vs. 12C+ v2).

Also the interface of the I/O connector changed from serial to USB between the v1 and the v2.