So heres the deal, the computer won't boot when either cd-rom is connected. It boots however if my secondary hard drive is connected to the secondary IDE channel (primary or slave). It wont boot however if the secondary hard dive is connected as Primary slave. And it wont boot if the floppy is connected, the computer used to see the floopy drive but couldnt read from it. Summary: Both cd-roms connected : no boot Secondary hard drive connected to secondary IDE (both primary and slave) : boot All devices disconnected except primary hard drive on Primary IDE(master) I've tried all possible configurations but I still cannot get by second gard drive to work on the primary IDE and can't get the cd- rom to work on the secondary IDE (Primary and slave) SYS specs: XP pro Compaq Presario 5102US Athlon 1ghz 768mb pc133 Gf4 mx 440-se 64mb ddr SBL live 5.1 PCtel v.90 modem Quantum 13gb Primary Quantum 40gb secondary Asus 52x24x52 Primary MA****a dvd-rom secondary Please feel free to ask for any additional info.