it exists on the Internet? something search finds nothing
No it does not exist on the internet. Outside of the manufacturers there are probably only 2 people that have the source, me being one of them.
You can try my software is you like, where the version 5.0 might work on your device to:
https://bitcointalk.org/index.php?topic=672969.0When it works you get more clock options, both under and overclock options.
A more reliable choice for the 110's would however be the software of MarkAz:
https://bitcointalk.org/index.php?topic=1141802.0He does not have the source, but his software provides you with some nice features.