PS/2 Models 50, 50 Z, and 70

Types 8550 and 8570

Common for All Units

Common Devices
Power Supply

Models 50 and 50 Z [Type 8550]

Model 50 Planar "Roundup"?
Model 50 Z Planar ("Z" for Zero wait states)

HDD Adapters
Riser Hack

Model 70 [Type 8570]

Model 70 - Common Devices

Type 1 Planar (386 16 MHz or 20 MHz)
Type 2 Planar (386 20 MHz)
Type 3 & 4 Planar (386 or 486 25 MHz daughterboard)
Reply OEM Planar (486 33 MHz)

486DLC2 Upgrade (Blue Lightning, do not confuse with single chip upgrade)
486DX-33 Upgrade (OEMd by Hypertec)

Sigma Data Quick Easy Disk Adapter (replacement riser w/ IDE)
8570 and Cyrix 386 > 486 Processor Upgrade Didn't Happen as Claimed!

Planar Upgrades (compatible with all models)

Reply OEM Planar (486 33 MHz)
Reply TurboProcessor 50/70
Reply PowerBoard 50/70

Content created and/or provided 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 - MAD Edition! is maintained by Tomáš Slavotínek.
Last update: 05 Dec 2023 - Changelog | Legal Info & Contact