21.1. Core/Processing

21.1.1. Motherboards, busses, and chipsets

21.1.1.1. * ISA

21.1.1.2. * EISA

21.1.1.3. * VLB

21.1.1.4. PCI

21.1.2. * CPUs/FPUs

21.1.3. * Memory

21.1.4. * BIOS