... Controller VT6421 eSATA+SATA+IDE 1,VT6421CHIPSET PCI Host Controller2,2 internal ports, 1 external port(but the ... interface4, Provides two independent channels to connect up to two Serial ATA hard disk drives 5,Features independent 256-byte FIFOs ... 4.0/XP 64-bit/Vista ESATA+SATA+IDE TO PCI CONTROLLER CARD