you can do it. BUT BUT BUT there is one thing- the external MUST be formatted to FAT32. I can't remember for sure, but I dont believe 98 had the logical disk manager- so if you plug in an NTFS or unformatted disk, the computer wont recognize it at all for you to format, or if it's NTFS, windows will ignore it completely. PLUS, being a 250 GB, windows 2K/XP/Vista WILL NOT format it as FAT32. The software that comes with the hard drive MIGHT have a program included on CD that will allow you to format it as FAT32 with the high capacity, but that program MAY or MAY NOT work with 98. 98 is a very old operating system nowadays (microsoft is cutting XP support next year i believe, for comparison), being 10 years old. The way I formatted my 120 GB external to FAT32 was I booted to ubuntu (which i have on hard drive to boot to) and ran gparted as a sudo user. But that's a whole other process.......