https://www.tomshardware.com/reviews/tabula-rasa,302-7.html
Fujitsu-Siemens D1192-A11: Innovative Fan Control Unit - Tabula Rasa: Six Boards for the Pentium 4...
Mar 21, 2001 - The successor of the i820/Camino and the i840/Carmel chipset is i850/Tehama. We tested six boards for the Pentium 4.