DOA Forum member carm has released a set of free drum samples recorded from the Alesis D4 drum module.
Here are some Alesis D4 Drum Module 16 bit Samples I did a a few years ago. I think they are first generation into the computer as I have the D4 unit.
Alesis D4 samples are available for free download via Dogs On Acid.
Links
Download Alesis D4 Samples: click here
Dogs On Acid: click here