... welcome. Chipset: VIA VT6410 ATA/133, Compliant with ATA/ATAPI-6 specifications, Compliant with UDMA6 ATA/133 specifications, 32-bit 33MHz ... .Virtual DMA, Maximum IDE/ATA data transfer rate of 133 Mb/sec, Two independent Ultra ATA channels with 256 Bytes FIFO ... per channel, Up to four IDE/ATA devices, Compatible with Ultra ATA/100, Ultra ATA/66, Ultra ATA/33, DIDE/Fast ATA-2, IDE and ATAPI devices, ...