[dai]

try another eide cable and recheck the jumpers

 

[dai]

reset the cmos

 

[dai]

check your power requirements here
http://www.jscustompcs.com/power_supply/
based on a quality supply and add 30% to the result

 

[dai]

have you added the 30% to that figure

 

[dai]

if you have spare power plug try it in the drive and see if it makes a difference,also see if you can borrow a 550w quality supply to try in it

 

[dai]

try uninstalling the eide controllers from the device manager,rebooting and check after windows reinstalls