This Bridge Board is a converter solution for the Parallel Ultra ATA Device. It has a standard 40 pin ATA port which can interface to IDE device (hard disk, CDROM, DVD, CD-RW, etc.). It accepts Serial ATA commands through the SATA interface from the host, decodes the commands and converts them to parallel ATA commands to the device. Response from the device through the parallel ATA bus are deciphered, processed and converted to SATA protocol and send tonthe host. The IDE to SATA 150 Converter supports the Serial ATA Generation 1 transfer rate of 1.5GB/s (150MB/s) on the Serial ATA side and is compatible with Ultra ATA-133 on the parallel ATA side.nn- Compatible with Ultra ATA 133 / 100 / 66 / 33 specifications.n- Supports all types of ATATPI, ATA/133, ATA/100, ATA/66, ATA/33, EIDE and IDE storage devices (DVD, DVD-RAM, MO,CD-ROM, CD-RW, Hard Disk, …).n- 100% hardware bridge converter to support PC, MAC and Linux environment.