OLD M-systems 128Mb Memory Key Driver for W98 needed

I am building a game computer for a mentally challenged individual using the my oldest Dell PC (Dell Dimension LC466X Windows 98 system). Looking for a M-Syetems (Dell 128Mb Memory Key) driver. All searches reference OLD links that no longer exist (to diskonkey or MemoryKey). The Dell Memory Key came with a newer, but still older, XP system I purchased which didn't need a driver. The incompatibilities of the W98 system (wireless security key, no ethernet card, Roxio vs. Sonic differences, etc.) are driving me nuts. This old Memory Key would be a blessing if I only had a driver for it. Anybody have one lying around that can be sent to me? Or where to get it from Dell. Thanks.