This adapter connects a compact flash memory card to a 3.5 IDE host interface. Aiming at educational sectors, IT development, and the embedded technology enthusiast to enable the use of a compact flash card as an IDE hard drive.Compatible with all PC Card Services and Socket Automatic sensing of PC Card ATA or true IDE. Support PIO, Multi-DMA and Ultra DMA Host Data. Support 8-bit/16-bit data transfer on Host Data Bus. Integrated PC Card attribute memory of 256 Bytes. Automatic wake up from power-down on host reset mode (High Speed) support. Auto data CRC generation/check. On-board LED indicators for power-on and compact flash access. Voltage selection for +3.3V or +5V compact flash. Master or Slave mode selection. Power input +5V, FDD power connector. Fully compatible with Compact Flash Type I, Type II, and Micro-drive. 40-way (2.54mm) standard IDE connector. (*)This adapter does NOT support hot insertion of CF cards. Supports Windows 98SE/ME/2000/XP/Vista Operating System