anyone ever build a format converter for this? a number of years ago a company named presonus did. it was a 2 port 25 pin db connector input to 2 firewire 400 ( i think) outputs. they are no longer available. the 25 pin connector was a roland r-bus format ( similar to 25 pin scsi) but with different wiring setup to the pins..r-bus is a digital audio format they used on a variety of their mixers and recorders. does anyone on this site have the knowledge to build something similar to this or work out a diagram. i will answer if there are any questions? thanks for reading this.