ESP32 Forum

Hello all,

Our ESP32 has an external PSRAM connected. The menuconfig allows testing this RAM via the config SPIRAM_MEMTEST.
I am wondering if a similar test can be done for the internal RAM? Maybe it's done by default, if so I am happy to know where this check is performed (as I could not find one).

Thanks.

There is not. It would A. be kinda tricky, as when your program is loaded, it already occupies some of the RAM, and B not really necessary as external RAM is mostly tested to catch issues with connection and signal integrity, which are not a problem with on-chip RAM.

ESP_Sprite wrote: ↑

Mon Oct 09, 2023 2:42 pm

There is not. It would A. be kinda tricky, as when your program is loaded, it already occupies some of the RAM, and B not really necessary as external RAM is mostly tested to catch issues with connection and signal integrity, which are not a problem with on-chip RAM.

That sound reasonable, thanks for your answer.