Ardent Tool of Capitalism

Your go-to destination for everything IBM PS/2 and Micro Channel
Reference
Material		 Software
& Drivers		 IBM
Systems		 Non-IBM
Systems		 MCA
Adapters		 Parts &
Technology		 Setup &
Config

Hypertec 50Z

Hypertec 50Z FRU P/N 71G2633, FCC ID KBD-ISLC-0002-01 [P] [P] [P]

There are no visible reference designators on the board. The designators shown here are made up.

SW1 Switch block
U1 ATT7C174J-20 8Kx8 tag SRAM
U3 Lattice GAL
U6 Hypertec HYP0301
U7 Lattice pLSI 1016-80LJ
U11 Hypertec HYP0401 (data buffer?)
U14 Lattice GAL?
U15 Lattice pLSI 1016-80LJ
U16,19 MB8298-25 32Kx8 SRAM
? pads for 2x6-pin header (?)
 R* LT1085CT Adjustable reg. (CPU?)
S* 68-pin PLCC header
U2 50.000 MHz osc
U4 Lattice GAL
U5,8 MB8298-25 32Kx8 SRAM
U9 33G0396 486SLC2-50
U10 Lattice GAL
U17 Math co-pro socket

U6,11 Hypertec ASICs; The same chips as on the 8570/80 - 486DLC2 Upgrade.

This upgrade comes with a dummy math co-pro that plugs into the 40-pin DIP socket on the planar.

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: 05 Apr 2025 - Changelog | About | Legal & Contact