Hi Rudolf Which CPU he use? FSB400 or FSB533? If using FSB400, the CPU temp cannot be got from hardware monitor chip. You must use sensor in Intel Xeon CPU itself. Best Regards Raphael Deng -----????----- ???: Rudolf Marek [mailto:r.marek at sh.cvut.cz] ????: 2006?8?19? 3:40 ???: Marcus Sobchak ??: LM Sensors; Raphael Deng ??: Re: Tyan S2720 Revsion 2.01 again Hello all, Raphael have you please idea why he has still -1 temp? Tyan sensors.conf suggest to upgrade the bios, but it did not help in his case. Please can you help? Regards Rudolf > adm1021-i2c-0-19 > Adapter: SMBus I801 adapter at 0540 > CPU 2 temp: > -1?C (low = -1?C, high = -1?C) ALARM (N/A,LOW) > > adm1021-i2c-0-18 > Adapter: SMBus I801 adapter at 0540 > CPU 1 temp: > -1?C (low = -1?C, high = -1?C) ALARM (N/A,LOW) >