Hi again,
That's a nice IDE drive. Still sell them actively.
It can be a little confusing, but in the BIOS you set up the drive order for the BIOS to look for Hdw devices to load an OS.
There you set the SATA as the first device (Drive 0), and probably the IDE drive as the second device (Drive 1), possibly a DVD or CD in position 3.
However on the IDE cable, you have to plug the single IDE device at the end of the cable, and set it as the Master, since there is no other IDE device on the cable. That may solve the enigma. It's the Master on the IDE cable, but second in position for the BIOS to load.
Make that change on the cable, and in the BIOS, save, then reboot and check in the BIOS that it is ordered correctly.
Then boot up into Windows.
Check the Device Manager to see that the OS recogizes both hard drives under the Disk Drive section.
Then go to the Disk Management snap-in and see if both drives are listed. In the bottom section you should see Disk 1 there. You may need to give it a name and assign it a Drive Letter, like K: for backUp. Previously it was assigned DriveLetter C, or you may have assigned it a name and DriveLetter. It does present a problem if you have 2 drives with the same DriveLetter, as one will not be recognized.
In the graphic section at the bottom, the Disk structure should read Basic, 160GB, Online. If it says Offline, right click on it and change it to Online.
The File Section just to the right should read: DiskName (DriveLetter), 160 GB, NTFS, Healthy, (Primary Partition).
If all is as listed, you should be good to copy your older data files to your new SATA system drive.