Vintage PCs

This page contains various notes on PCs - mostly old ones. For fuller documentation regarding Amstrad's range, see my Amstrad pages.

Hardware

• More than two floppy drives
• Dual-Headed Systems (2 monitors)
• All you never wanted to know about the Monochrome Display Adapter
• ... about the Colour/Graphics Adapter
• ... about the Professional Graphics Controller

Systems

• The IBM 5271 (aka 3270 PC)
• The IBM 5140 (Convertible)
• The Olivetti Prodest PC-1 and pinouts.
• The Olivetti PCS 86
• The Sanyo MBC 550 / MBC 555
• Compaq Portable / Compaq Deskpro
• Compaq Portable II
• Compaq Portable III
• ICL Quattro

Keyboards and related topics

• IBM model 6450225 (84-key AT keyboard)
  • IBM AT keyboard controller trivia
• IBM model 1391406 (102-key PS/2 keyboard)
• IBM model 1390876 (122-key terminal keyboard)
• IBM model 6110344 (122-key 3270PC keyboard)
  • Model F keyboard controller replacement
• IBM model 1397000 (122-key Host Connected Keyboard — terminal emulator)
• Amstrad PCW keyboard

John Elliott 6 September 2004