You might find this lot useful as well - look for the analogue synths programming tutorial.

http://www.access-music.de/

Select products (top), then discontinued products (left), the Virus B picture, then Download Area (left), then Documentation (mid right).

Tutorial is in the list. Also loads of sounds there as well.

There are more than just the two posts in that section it is that there is a filter, just select posts from the beginning.

Here's mine
http://infekted.org/viewtopic.php?t=5777

someone elses
http://www.infekted.org/virus/showthread.php?t=27622