[root@alpha /home/zion]# dmesg | grep -i ad[0-9]
ad4: 190782MB <Seagate ST3200822A 3.01> at ata2-master UDMA100
ad5: 190782MB <Seagate ST3200822A 3.01> at ata2-slave UDMA100
ad6: 381554MB <Seagate ST3400633A 3.AAD> at ata3-master UDMA100
ad8: 114473MB <Seagate ST3120026AS 3.05> at ata4-master SATA150
ad10: 238475MB <Seagate ST3250823AS 3.06> at ata5-master SATA150