1. The IDE interface is a 40pin female connector: this card can be directly inserted into the IDE socket
2. CF card holder can be placed flexibly: single‑sided or double‑sided CF can be selected at will. 5.0V or 3.3V power supply
3. 3 LED indicators: power (power LED), CF access (active LEd), whether the card is inserted (card detect LED)
4. Master/slave jumper: The front and back CF cards can be configured as master or slave
5. Use the CF card as a DOM: automatically supply power from the IDE's 20‑pin or external floppy drive power socket

Spec:
Item Type: Converter Module
Material: PCB
Interface: 40 Pins
Compliance with Standards: CF Specification Ver2.0, IDE/ATA-33Specification
Standard IDE Interface Interface: True-IDE Mode, and Supports DMA-33 Transfer Mode
Support CF-I and CF-II Two Types of Cards: Also Support for IBM Micro Hard Disk with CF-II Interface

packing list:
1 x Converter Module