You have to format with FAT32 when you install OS on the CF memory,Use CF card as DOM: power supply from external floppy drive power socket.<br> You can save money by using CF memory card when you test on computer. Computer is rebooted suddenly because of electrical signal at electric factory.<br> In this case, CF memory card has the low extent of the damage.<br> CF Compact Flash Merory Card to 50pin 1.8 Inch IDE Hard Drive SSD Converter Adapter It is stable and doesn't have any noise and vibration<br> Master/slave etting jumper PCB color: Black or Green<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store