VT 6421 SATA+IDE 1,VT6421CHIPSET PCI Host Controller VT 6421 SATA+IDE 1,VT6421CHIPSET PCI Host Controller2,2 internal ports, 1 external port (but the ... disk drives5,Supports Serial ATA data transfer rates up to 1.5Gbps6,Features independent 256-byte FIFOs per channel for host ... PCI bus at 66MHz8,Supports RAID Level 0, RAID Level 1 and JBOD9,Driver supported MS Windows 98SE/Me/2000/XP ...