This problem is caused by built-in-motherboard iSDD
There are 2 actual ways to solve this problem:
1.Unsolder it (DO IT AT YOUR OWN RISK!) (http://forum.notebookreview.com/threads/ux32vd-issd-not-detected.679687/page-10#post-9627403)
2. Programm way:
2.1 Go to Device Manager->IDE ATA/ATAPI...