yes ive had the same problem, i think its because both your sequencer and sounddiver are trying to use the same midi-ports, and if your soundcard is anything like mine (a soundblaster) its not multi-client compatable, which i think basically means only one program can use the ports at once. i used hubis loop-back device for a while so both programs could 'share' the midi in and out, but ive now ordered the 8 pin / 9 pin lead of roland so im thinking sounddiver can communicate to the 1010 via that, and (cubase in my situation) can use the midi ports on my sound card in the normal way to play the 1010. im not 100% sure if this will work - ill let u know when i get the lead through.
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cya
sav