A drop-in replacement mechanical keyboard for the Compaq Portable I/Plus foam and foil keyboard

Specifications

• Controller: RP2040
• Switches: MX Cherry/Gateron Brown
• Keycaps: Carbon PBT Double Shot Retro Orange
• Plate: FR4
• PCB: FR4, 2 layer, Hot-swappable
• Backlit

Layout

Modern

Compatible

Original

Spacing Differences

Original Keyboard Length: 18.75u / 357.18mm Modern/Compatible Keyboard Layout Lengths: 10u / 361.95mm Difference: 0.25u / 4.77mm

Row Specific Key Spacings

• Row 1
  • Total spacing w/ 18 keys (19 spaces): mm
  • Key Spacing: mm
• Row 2
  • 18 keys (19 spaces): mm
  • Key Spacing: mm
• Row 3
  • 17 keys (18 spaces): mm
  • Key Spacing: mm
• Row 4
  • 17 keys (18 spaces): mm
  • Key Spacing: mm
• Row 5
  • 13 keys (14 spaces): mm
  • Key Spacing: mm

Pipe Dreams:

• Plates of other materials
• Acoustic foam