Any PC 3.5 inch FDD 5V 1A power supply Case Making the cable FFE D-sub 25 pin ------------FDD 34pin 1, 18-25-----------------------ALL ODD pin (GND) 2-------------------------------8 (Index) 3-------------------------------26(TR00) 4-------------------------------28(WP) 5-------------------------------30(RD) 6-------------------------------34(DC) 7-9----------------------------No Connection 10-----------------------------10(DS1) 11-----------------------------16(MOTOR ON 1) 12-----------------------------22(WD) 13-----------------------------24(WE) 14-----------------------------No Connection 15-----------------------------32(HS) 16-----------------------------18(DIR) 17-----------------------------20(STEP)