JohnthePilot

First, I'm assuming that this is a PATA disc and not SATA. If I'm wrong then the answer is you can't set the jumpers for Master. Somewhere on the back of your HDD you should see a diagram that shows the position of the jumpers for Master, Slave or Cable Select. Fit the jumper according to the Master configuration. What sort of cable are you using? If it's a 40 wire then you should change it for an 80 wire. Does it have three plugs on it? If so, the hard drive wants to go on the plug furthest from the motherboard. If you have coloured plugs these will be blue, grey and black. The blue plug goes to the motherboard and the black to your hard drive.