The biggest concerns with ECU's are leaking capacitors and the second concern are burnt drivers. Capacitors could be leaking underneath that you can't see. Drivers are the six black rectangles on the left, they look OK. All the chips look undamaged as well. Most problems with ECU's are actually visible.

The chip that says E931 is an Eprom, which means it can be reprogrammed. If you get the electronic place to install a socket underneath the eprom you can change it any time you want, including installing DSM Link.