12.3. Core/Processing

12.3.1. Motherboards, busses, and chipsets

12.3.1.1. * ISA

12.3.1.2. * EISA

12.3.1.3. * VLB

12.3.1.4. PCI

12.3.2. CPUs/FPUs

12.3.2.1. P6 class (Pentium Pro/Pentium II)

12.3.2.2. Pentium class

12.3.2.3. * 486 class

12.3.2.4. * 386 class

12.3.2.5. 286 class

12.3.3. * Memory

12.3.4. * BIOS