LAST EDITED ON Jun-05-02 AT 02:07 AM (EDT)
You could have a faulty CD-Rom extender, such as MSCDEX.exe!
Or your problem is Memory related, with Himem.sys who is handling your A20 line.
A20 is a command-channel from the CPU to the memory who can go bad.
If this is the case, either your memory or your mainboard is defective.
In the worst case it can even be your CPU.
Try this to bypass the first:
If you can access the CD-Rom drive when yhou will begin install, do the next instead of installing:
On C:\ make a directory "win98ins" (Without quotes).
Go to your CD, and copy ALL the files who are located in the subfolder D:\win98 to c:\win98ins.
change back to C:\win98ins.
Type Setup there, and you can begin Setup from your Hard drive.
By this, you will not need the CD-Rom disk anymore in the future.
Windows will pick the drivers straight from your Hard drive.
(Do NOT detroy your CD-Rom disk!)