Akai S1000 / S1100 samplers

Hey, I have an s1100.  i'm able to digital audio to the machine (to the 
machine by way of recording digital light pipe from my emu 1212m sound 
card and playing back).  I'm also able to play back digital audio by 
going to the record 1 menu, hitting "digital" and gaining access to the 
digi board.. i can then "send" the sample back to my computer.

My question:  are the digital outs wired so that they can continuously 
send digital data out?  I want to be able to play programs with my midi 
controller and port the data digitally into my computer.  Is this not 
possible?  I'm out of analog inputs on my settup (might have to get a 
mixer) and want to use the digital output as the standard output for 
the machine so that I can get the benefits of using the effects on the 
s1100.

any input would be greatly appreciated!

thanks