RAMboard
ALXCO-Hardware·squareboi·Hardware/KiCad 6/RAMboard/RAMboard.kicad_pcb
About the RAMboard PCB
RAMboard is an open source PCB design by ALXCO-Hardware, published on GitHub under the CC-BY-4.0 license. It is a 2-layer board measuring 21.6 × 38.1 mm, with 4 components from 4 distinct parts.
Other key parts include the FM18W08-SG. By type, the board carries 2 connectors, 1 IC and 1 capacitor.
From the project
The open hardware GB/GBC cartridge system
Squareboi is an open hardware cartridge system for the Game Boy Color, made to be as accessible and DIY-friendly as possible. Using a handful of off-the-shelf components, it provides the same functionality as an original cartridge, compatible with the majority of programs. Additionally, an Arduino-based programmer allows for easy transfer of games and save data.

Main components on the RAMboard
RAMboard bill of materials (BOM)
4 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | FM18W08-SG | SOIC-28custom | U1 |
| 1 | RAMC_L | PinHeader_1x14_P2.54mm_Vertical | J1 |
| 1 | RAMC_R | PinHeader_1x14_P2.54mm_Vertical | J2 |
| 1 | 100n | CP_Radial_D5.0mm_P2.50mm | C1 |
RAMboard design files
The KiCad project lives in the ALXCO-Hardware/squareboi repository on GitHub; these links point at the commit this page was built from.
RAMboard: common questions
How big is the RAMboard PCB?
The RAMboard measures 21.6 × 38.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the RAMboard?
4 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the RAMboard design files?
From the ALXCO-Hardware/squareboi repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the RAMboard design in my own project?
Yes, under the terms of its CC-BY-4.0 license, which ALXCO-Hardware chose for the repository.
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