kde2131, the drive won't show up in Windows if it isn't detected in the BIOS and it won't be detected in the BIOS until power is supplied to it.
Clues to his problem are "its not detected in the bios or the OS. and i manually try to detect it in the bios and it finds nothing. " and "i have one cable going into the harddrive. it looks like this. http://www.kustompcs.co.uk/acatalog/1896.jpg
The type of SATA cable that he used is to make sure that power isn't applied through both power connectors for drives that have them (SATA and 4-pin Molex). If he wants to use a single cable, then he needs something like this: http://www.satacables.com/html/sata-power-and-signal-combo-ca.html