I have a couple of PCs with fast Socket 7 CPUs. One has a K6-2+ 500Mhz and the other has a K6-III 450Mhz. Another one is a Duron 900.
Does Windows 98SE need a patch for those CPUs? IIRC, Windows 95 (all versions) and 98 needed a patch in order to work with CPUs (especially AMD) over 350Mhz.
I also have two other PCs with ordinary K6-2 450Mhz chips.
I'm going to be setting up a LAN for playing old multiplayer games on. 98SE ought to fly like a pebble dropped on Jupiter on the Duron.