The NL-SATADUALADAPT is a bi-directional converter for serial and Parallel ATA translation. The Serial ATA physical link and transport layers are compliant to serial ATA 1.0. The NL-SATADUALADAPT converter supports a 1.5GHz data rate. The application layer supports both the ATA register command set and packet command set which could drive both hard disk drive and ATAPI optical storage such as CR-ROM CD-RW DVD-ROM DVD-RW etc. The Serial ATA and the Parallel ATA application layer support both host and device operation. Easy to install and setup simply connect devices and slide switch to correct position. The switch works by selecting which mode the IDE connector is to be used. If converting a SATA device to IDE choose HOST and when converting IDE device to SATA select DEVICE.Specification Serial ATA 1.0 specification 1.5Gbps ATA/ATAPI PIO mode 0 – 4 ATA/ATAPI Ultra DMA 16.7 25 33 48 66 100 133 and 150Mb/s Supports Serial ATA hot-plug Low power consumption Supports AC and DC