Poly88 rom replacement board
About the Poly88 rom replacement board
Poly88 rom replacement board is an open source PCB design by abzman, published on GitHub under the Unlicense license. It is a 2-layer board measuring 122.6 × 52.7 mm, with 11 components from 7 distinct parts.
Other key parts include the 8080 on top, 28C64, 2708 and 8080 on bottom. By type, the board carries 6 ICs, 3 diodes, 1 connector and 1 resistor.
From the project
replica PCBs including backplanes and interface cards
Main components on the Poly88 rom replacement board
Poly88 rom replacement board bill of materials (BOM)
11 components, 7 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 8080 on top | DIP-40_W15.24mm | U1 |
| 1 | 28C64 | DIP-28_W15.24mm | U2 |
| 3 | 2708 | DIP-24_W15.24mm | U3, U4, U5 |
| 1 | 8080 on bottom | DIP-40_W15.24mm | U6 |
| 1 | bank select | PinHeader_1x03_P2.54mm_Vertical | J1 |
| 3 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3 |
| 1 | 4.7k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
Poly88 rom replacement board design files
The KiCad project lives in the abzman/s100-PCBs repository on GitHub; these links point at the commit this page was built from.
Poly88 rom replacement board: common questions
How big is the Poly88 rom replacement board?
The Poly88 rom replacement board measures 122.6 × 52.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Poly88 rom replacement board?
11 components, from 7 distinct parts. The full bill of materials is listed on this page.
Where can I download the Poly88 rom replacement board design files?
From the abzman/s100-PCBs repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Poly88 rom replacement board design in my own project?
Yes, under the terms of its Unlicense license, which abzman chose for the repository.
