Technical Background

Micro Channel Architecture (MCA slots, pinouts, features, transfer modes, SCB etc.)

Memory Technology Explained (DRAM, SRAM, VRAM, read/write cycles etc.)

BIOS & Related Topics
   Exploring The ROM BIOS (PC Magazine article)
   ABIOS (Byte article)
   Loadable ABIOS (selected late PS/2s)
   Why Int 4Bh?
   Int 15h Index (from David Beem)
   CMOS Data Area (accessed via I/O addr 70h and 71h)

Serial Diagnostic Link (Type 4 complex)

Content created and/or collected by:
Louis Ohland, Peter Wendt, William Walsh, Kevin Bowling, Jim Shorney, Tim Clarke, David Beem, Tatsuo Sunagawa, Tomáš Slavotínek, and many others.

Ardent Tool of Capitalism - MAD Edition! is maintained by Tomáš Slavotínek.
Last update: 17 Apr 2021 - Changes & Credits | Legal Info & Contact