Thanx for the clarification. If I could bother you just 1 more time.... Is this possible/sensible? Add to soc.h -> #define SOC_EXTRAM_DATA_LOW2 0x3FC00000 #define SOC_EXTRAM_DATA_HIGH2 0x3FF00000 I can't find any refs in soc.h for this range and being new to the esp platform there I have no idea whe...

I have been toying with an AI Thinker module which has 8MB psram. soc.h defines - #define SOC_EXTRAM_DATA_LOW 0x3F800000 #define SOC_EXTRAM_DATA_HIGH 0x3FC00000 With psram installed it maps the 1st 4MB from SOC_DIRAM_DRAM_LOW (to 0x3FBFFFFF i think) The rest of the ram in unused unless something lik...

EXCVADDR: 0x00000050 LoadProhibited, StoreProhibited This CPU exception happens when application attempts to read from or write to an invalid memory location. The address which was written/read is found in EXCVADDR register in the register dump. If this address is zero, it usually means that applic...