Yamaha DTXpress/DTXplorer/DTXtreme

> Also check your MIDI Out port is actually set to SB
> MIDI Out [330] or similar. The instrument mappings
> will come into it later, but for now you should be
> able to hear something thru the DTXpress, even if its
> only piano.
> Have you managed to send MIDI Out to other devices? In
> other words, are you sure your cable is OK?

Yes the back switch is set to MIDI, and yes I have set the port to my 
MIDI out. 

I have an old drum machine which has MIDI so I guess what I'll try is 
plugging that to my computer cause like you said, it might be the 
cable.

Thanks,

Sebastien