Ardent Tool of Capitalism

The go-to place for all IBM PS/2 and Micro Channel enthusiasts
Reference
Material		 Software
& Drivers		 IBM
Systems		 Non-IBM
Systems		 MCA
Adapters		 Parts &
Technology		 Setup &
Config

7552 Processor

Processor Card
Specifications
System Firmware
   ROM Images

Processor Card P/N 16F2290

CR1 Run/Check
CR2 Memory Check

Specifications

  • Intel 80286-10, 24-bit addressing, 16-bit data path, 2-bit data bus parity
  • 64 KB ROM
    • Access time: 150 ns
    • Cycle Time: 260 ns
  • 512 KB RAM

System Firmware (POST & BIOS)

Firmware stored in EPROM. More info about its origins HERE.

ROM Images

16F2288 / 16F2289 - 28 Aug 1987, rev. 1, 2x 27256 (U25 / U6), marked "UER 3.0"
16F1972 / 16F1971 - 16 Aug 1988, rev. 2, 2x 27256 (U25 / U6), marked "UER 3.1"

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

Ardent Tool of Capitalism is maintained by Tomáš Slavotínek.
Last update: 29 Sep 2024 - Changelog | About | Legal & Contact