Hi! You'll find a mini-howto on this Page http://www.sk-tech.net/support/cpqhealth.html to install Compaq Health driver on an Debian Woody system. The Drivers are the original ones from Compaq for RedHat. This will give you hplog ... to manipulate the HW-Log Facility hpuid ... to manipulate the UIDLed and will reduce the FAN-noise considerably. Regards Kianusch