I'm confused - does the drive show in the BIOS now? What make and model drive are you trying to connect?
I've always had issues connecting Western Digital IDE drives to some sort of adaptor, whether it being IDE > USB or IDE > SATA - I can't remember if they need to be set as Master, Cable Select, completely remove the jump or if they even work at all lol.
What is the complete make and model of your adaptor?
If I'm being honest, I don't think it will work - it's something to do with WD drivers being fussy with controllers.
Try another brand IDE drive, set it as a master, connect a 4-pin molex from your PSU to the small floppy power converter and hook that up to the adaptor.
aww! and i had my fingers crossed you were going to get it working!
Oh i may be wrong, but thought sigs were ment to be a max of 4lines! fyi. (from memory so i could be wrong there)
StarTech.com 1 Port PCI Express IDE Controller Adapter Card Storage controller- IDE- 133 MBps
£13