I am having trouble installing a second hard drive as a slave. They are IDE, originally there were two hard drives, however i have purchased a new hard drive to replace the old slave hard drive. I set the new hard drive jumper setting to slave, however when i do this no hard drive is deteced at bios, not even the original one. when i try the new hard drive as the master hard drive, still nothing is detected. the older hard drives had 8 pins (or 9 pins im not sure there is one to the side by itself) in the jumper block. Where as the new one has 10. Reading another thread on this site it said that there is no compatibility problem, so how can i fix this? Thanks.