I think I found a problem with the Nucleo board According to

Question

I think I found a problem with the Nucleo board According to the datasheet the Nucleo board has 1MB of Flash but my Nucleo advertises a 3 04MiB USB Mass Storage device which causes data loss when writing Can everyone please post their df output for dev sda or dev sdb or whichever the Nucleo Board gets

Dinesh A · Answer

dinesha lenovo i3 10100 07IMB05 ~ workarea opencore git yifive r0 verilog dv hello world$ df media dinesha NOD F746ZG Filesystem 1K blocks Used Available Use Mounted on dev sdb 3100 8 3092 1 media dinesha NOD F746ZG I am using PBFLASH for programming using make copy2 command gt I am not facing any issue with this approach

Philipp Gühring · Answer

Can you confirm that the datasheet says 1MB of Flash So how can it provide 3MB of space from 1 MB of Flash and 320 KB of SRAM

Philipp Gühring · Answer

Can you try to copy a 2MB file which isn t compressible so something like a JPEG or to the Nucleo copy it back and see whether it is the same

Dinesh A · Answer

I copied two jpeg file 1 4Mb amp 1 MB each and copied it back files looks be good for me and able open jpeg file also

Philipp Gühring · Answer

I was also able to copy a 2MB file to it and got it back in good shape so it likely has 4MB unadvertised DRAM somewhere on the Nucleo board perhaps in the ST LINK chip