I have recently added a 3rd hdd to my PC which is a 15 Gb Maxtor ATA 100 drive. I have ATA 100 cables and it is the master on the 2nd IDE with my CD-RW as the slave on that cable. I am running windows XP Pro and whenever I try to copy files from one of my other hdd to it it takes forever to copy and if it is over 150 mb it times out and loses the hdd mapping. Anyone got any ideas on how I can resolve this?