On Tue, 1 Mar 2005, Anssi Hannula wrote: > Lm_sensors(http://secure.netroedge.com/~lm78/) has utilities named > i2cset, i2cdump and i2cdetect, maybe you could use those? Yep, i2cset X 0x50 0xff 0xXX b did the trick, thanks. Seems like the TT v2.1 card doesn't use PWM value but it isn't as picky about it as the older Siemens v1.5 card. -- Kende