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 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: 20 Jan 2024 - Changelog | About | Legal & Contact