I'm putting together a computer right now, but it won't detect the hard drive. First I tried the ATA-100 but I read a post here that said I need to use the other ATA. I tried that with both the ATA-100 and -66 cable, but it wouldn't detect it. Can anyone help?

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<A HREF="http://www.geocities.com/TimesSquare/Battlefield/1189" target="_new">Byte Size Games</A>

Use the IDE cable with the blue end. Put the blue end into the blue IDE port closest to the silver battery. Plug the other end into the hard drive. Make sure the 4-pin power connector is properly in the hard drive. Make sure the 4-pin power connector comes straight from the powersupply, don't have and fan connectors or any other kind of power connectors between the hard drive and the powersupply.
If this doesn't work, try a different 4-pin connector from the powersupply.

Never mind, I just found out the problem. According to Promise's site, Western Digital hard drives should not use the jumper pin (or whate ever it's called).

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<A HREF="http://www.geocities.com/TimesSquare/Battlefield/1189" target="_new">Byte Size Games</A>

Man i could have used your help about a week ago. I was struggling with the same problem trying to get my raid controller to recognize my WD drive. It would see my Seagate but not the WD. I had a few geek friend take a look at it to see if there was something obvious that I was missing. One suggested to set the drive to single (aka no jumper). Which made it work. This goes against everything that I have leard about RAID namely setting all drives to master. BTW are you running the GIGA-Byte GA-7zxr? Once again, ANYONE THAT IS TRYING TO STRIPE RAID WITH A WESTERN DIGITAL DRIVE...PULL THE F'N JUMPER OUT.