ASUS - Who is old enough to have built a PC in the 90's? Here's four of our 90's motherboards: from Intel 486, Pentium, Pentium Pro and Pentium II! Since 1989 we've
80486 - Intel - WikiChip
Pentium on a 386 motherboard ( sort of) \ VOGONS
486 133mhz vs Pentium 60, DX4 100 and DX2 66 Benchmarks - YouTube