The miniinst3.exe file you have requested: Tools and Utilities / MiniGL 1.48 - 148kb is not available. Perhaps try browsing all files for the game Quake and upload any files you want to share or are missing. This is the only information we could locate:
MiniGL v1.48 for use with OpenGL based Games on Voodoo3. These drivers support Intel (including Pentium III), Cyrix and AMD 3DNow! based CPU's.