Bhavbhuti,
Eventhough you can install WMI in a Windows 98 computer, not all classes are available for it, and according to the documentation, Win32_Bios requires WIN NT 4 SP 4 or better (of course anything is better than NT 4 <g>)
You can always check the requirements in the last portion of each class's documentation, for BIOS is in this link:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wmisdk/wmi/win32_bios.aspUnfortunately I do not have Win 98 installed so I can not check if the docs are right, but I guess they usually are <g>
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?
"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare
"To die for a religion is easier than to live it absolutely"
Jorge L. Borges
