Static Ram to retain data in a embedded system
 

Hi everybody,

I would like to know if somebody has experience with this topic.
Right now, I have implemented similar scenario but using a FPGA as bridge between x86 cpu and Static ram.

Now, I would like to use a static ram connected directly to a pci express or similar.

I don't know if Linux has capabilities to handle this type of ram memories directly.

Thank you in advance.

I doubt if static ram will retain memory in any system. The sole advantage it has is that it doesn't need refreshing, but it loses memory when the power goes, as well as being slower to write, and scarce.

Use battery backed ram, or NVRAM, such as is used for the bios settings in your motherboard. You have a slower & more expensive option in EEPROM (Electrically Erasable Programmable ROM). If you have an fpga in there, you can handle either, but I'd recommend NVRAM.