The SD-CF-IDE-A is an adapter for connecting 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. Support Ultra DMA mode. Supports Ultra DMA mode CF Card. On-board LED indicators for power-on and compact flash access. Master or slave mode selection. Fully compatible with Compact Flash Type I, Type II, and Micro-drive. This adapter does NOT support hot insertion of CF card.