Are there any new issues with OSR2 or FAT32 with DOS games?
Since you can no longer boot via F4 to an earlier version of DOS, the easiest thing to do is to run them on the DOS (ver 7.1) under OSR2. Neither OSR2 nor FAT32 should have any effect on the performance of your DOS games. However, see below in the bugs section about a bug involving the real-mode memory manager emm386.exe. For overviews of FAT32, see Microsoft’s Market Bulletin on FAT32 and The Knowledge Base entry on FAT32. For detailed specs on FAT32, see Microsoft’s online SDK files. If I install OSR2 on a brand name PC or laptop that did not ship with OSR2, will it invalidate my tech support? Yes. And Microsoft will also not support you. Many system builders (such as Dell) may bundle OSR2 with your system, but do not use FAT32, and furthermore, state that if you do use FAT32, then this will invalidate your tech support/warranty. Consider this carefully before making a decision to install OSR2 or use FAT32. If you do this, and end up with a serious problem, you could end up totally h