... 2 compliant SIL 0680 IDE ATA 133 1,PCI Specification Revision 2.2 compliant 2,ATA/ATAPI-6, UDMA6 ATA/133 compliant 3, ... performance tuning for each device attached 5,Fully backwards compatible with Ultra ATA/100, Ultra ATA/6, Ultra ATA/33, EIDE/Fast ATA-2, IDE and ... ATAPI devices7,2-channel IDE interface supporting 4 IDE devices, ...