I checked and software mentioned by nevee seems only to support MP2888A MP2965 MP5023. So got lucky that board has MP2965. While there are strings talking about MP2955A, resources like images, dropdown box etc. are hardcoded to these three chips. pastebin dot com slash t59kMuTx could bring a light. Or will show and do something random and completely wrong. Help/About may also lie in your face.
Edit 1: See different paste.
Edit 2: Also check paste yY7HH6qq I think command 0xEF aka MFR_ICC_MAX is what we are after. 1 data byte so 255A possible. Rail1+2.