I'm using the multi bios. The one which you select the region with dip switches. According to my notes the one I downloaded (god knows from where) was based on 21576h version...
I did pack my Naomi stuff because its instabilities in CF boot scenario really pissed me off and one day I packed everything related to Naomi in a box and moved it out of my sight.
I did pack my Naomi stuff because its instabilities in CF boot scenario really pissed me off and one day I packed everything related to Naomi in a box and moved it out of my sight.