The 3-LEDs 40-Pin Female IDE To CF Card Adapter is transparent to the operating system and does not require any drivers. With this adapter, the host PC will identify the inserted CF card as a standard IDE hard disk. As such, you can install any operating systems and the CF card will be bootable , CF card offer the benefit of low power consumption, no acoustic noise, cost efficient and fast read access time , avoid damaging mechanical HDD cause of by turnning on/off power freqently. The 3-LEDs 40-Pin Female IDE To CF Card Adapter can used for computer peripheral device factory , industial computer , personal computer . The 3-LEDs 40-Pin Female IDE To CF Card Adapter can plug into mainboard directly. It has 3 LEDs , green LED indicates card detect , yellow LED indicates active , red LED indicates power.