Specification Mfr Part Number: ULTRA133 TX2 Features: Handles Upto 4x Ultra ATA-133 Drives or Devices CRC Error Checking upto 133MB/s 66MHz PCI Bus Support Assures Highest Data Transfers For Windows XP/2000/NT4/ME/98/95; Netware 3.12/4.1x/5.x; Linux Number of ATA Device Ports: 2 (supports 2 devices per port) Drive Support: Ultra ATA-133/100/66, and older PCI Bus: PCI 2.2 Supports 32-bit 66MHz PCI bus motherboards (automatically backward compatible with 33MHz PCI slots) Drive Mode: Ultra DMA 6/ 5/ 4/ 3/ 2; DMA 2/ 1/ 0; PIO 4/ 3/ 2/ 1/ 0 Data Transfer Rate: Upto 133MB/s burst data transfers (with Ultra ATA/133 drives); upto 266MB/s burst across 66MHz PCI bus Large LBA Support: Recognizes drive capacities exceeding 137GB each Advanced Data Features: Bus mastering offloads data I/O handling from host CPU; supports CRC error-checking of UDMA drives Cable Support: Includes single Ultra ATA 80-wire/40-pin cable; cable required for Ultra ATA-133 drives to reduce signal noise (crosstalk) during transfers Device Support: Dual IDE ports support separate timing and optimum speeds of attached drive or ATAPI device Supports ATAPI: Yes (DOS environments require manufacturer device drivers) Operating Systems: Windows 98/ ME/ 2000/ XP/ Server 2003; Netware 5.1/6.0; Linux Package: Retail