In my CPU, I fixed the CD-ROM, inserted the cable, first end to IDE-1, core end to Hardisk and last end to CD-ROM, set the jumber setting by following instruction on the hard drive and the CD-ROM. Surprised, even though I set the correct jumber setting, it doesn't detect a harddrive as Master, but detect the CD-ROM as slave. Then I removed the CD-ROM, tried with harddisk only, this time it detected correctly. In BIOS setting also, cannot detect the Master with CD-ROM, without CD-ROM I can detect the Hardisk as Master. Can any one advice me whether the problem with installation method or in CPU?