Hi all! According to www.freebsd.org/releases/5.1R/hardware-i386.html#AEN63 FreeBSD doesnt seem to support the PDC20378 chipset. Anyway, output of dmesg, atapci0: <Promise PDC20378 SATA150 controller> port 0xdc00-0xdc7f,0xdfa0-0xdfaf,0xdf00-0xdf3f mem 0xfeac0000-0xfeadffff,0xfeafe000-0xfeafefff irq 11 at device 4.0 on pci2 more dmesg output: ar0: ERROR - array broken ar0: 58623MB <ATA RAID0 array> [7473/255/63] status: BROKEN subdisks: disk0 READY on ad8 at ata4-master disk1 DOWN no device found for this disk Opened disk ad8 -> 1 Opened disk ad8 -> 1 I dont know what to believe, the second disk is a maxtor, it's working. When Im using the Fasttrak RAID BIOS utility it recognizes the fujitsu as master and the maxtor as slave. I can even create a mirrored array and copy the data from maxtor to the fujitsu. Can someone confirm that this chipset is or isn't supported by FreeBSD? Kind regards, -- Marcus Larsson, Stockholm, Sweden <http://kore.hack.se/contact/>