After some time I find this file in Intel page after look for in a Ambiental page and redirected for.
|Compatible Hardware Ids|
The following files are found inside the driver download file.
|MDMCLM50.INF||37.7 KB||10 Aug 2000|
|AMBIENTM.CAT||76 bytes||8 Feb 2000|
|CLM50.SYS||427.9 KB||10 Aug 2000|