I know this has been discussed prior to my recent posting. On two boxes running FreeBSD 6.1-STABLE with AMI BIOS neither thermal-zones nor fan speed information is provided as OID (looking at this via sysctl hw.acpi). One box is a ASUS A8N32-SLI Deluxe, most recent (AMI-) BIOS 1205, running FreeBSD 6.1-STABLE/AMD64 (no 32Bit compatibility) as built with the most recent FreeBSD 6.1-code available via CVS. The other box is at my lab a ASUS P4P800 i386 box, quite old compared to the AMD64 box, but also equipted with an AMI BIOS. This box also does not show any thermal zones and/or fand speed information via ACPI as it should expected due to its age. I had another AMD64 box, based on ASUS A8N-SLI Deluxe, with AWARD BIOS and there I saw theraml zones and fan speed informations via sysctl, mbmon/xmbmon was useable on that board, while this tool isn't on the above first mentioned. What is the difference between these BIOSes in handling these health-important informations and why are these infos aren't accessible in FreeBSD? Regards, Oliver