486 Board
About the 486 Board
486 Board is an open source PCB design by FoxCutter, published on GitHub under the BSD-3-Clause license. It is a 4-layer board measuring 233.4 × 100 mm, with 114 components from 18 distinct parts.
Other key parts include the 80486DX, 7404, 7400, 74138 and 74244. By type, the board carries 37 capacitors, 28 ICs, 26 diodes, 17 resistors and 4 connectors.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
Repo for the 486 breadboard computer project
Main components on the 486 Board
486 Board bill of materials (BOM)
114 components, 18 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 80486DX | PGA169 | U1 |
| 1 | 7404 | SOIC-14_3.9x8.7mm_P1.27mm | U2 |
| 2 | 7400 | SOIC-14_3.9x8.7mm_P1.27mm | U3, U7 |
| 1 | 74138 | SOIC-16_3.9x9.9mm_P1.27mm | U4 |
| 6 | 74244 | SOIC-20W_7.5x12.8mm_P1.27mm | U5, U8, U12, U15, U18, U20 |
| 1 | 7408 | SOIC-14_3.9x8.7mm_P1.27mm | U6 |
| 1 | 74139 | SOIC-16_3.9x9.9mm_P1.27mm | U9 |
| 1 | 74LVC1GU04DRL | SOT-553 | U10 |
| 6 | 74573 | SOIC-20W_7.5x12.8mm_P1.27mm | U11, U13, U14, U16, U17, U19 |
| 8 | 74245 | SOIC-20W_7.5x12.8mm_P1.27mm | U21, U22, U23, U24, U25, U26, U27, U28 |
| 2 | Conn_02x03_Counter_Clockwise | PinHeader_2x03_P2.54mm_Vertical | J1, J3 |
| 1 | Conn_02x04_Counter_Clockwise | PinHeader_2x04_P2.54mm_Vertical | J2 |
| 1 | EXTERN | PinSocket_1x08_P2.54mm_Vertical | J4 |
| 2 | DIN41612_03x32_ABC | DIN41612_R_3x32_Male_Horizontal_THT | JA1, JB1 |
| 26 | BLUE | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1, D2, D3, D4, D5, D6, D7, D8 +18 |
| 37 | 1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C8 +29 |
| 7 | 470 | R_Array_Convex_4x0612 | RN1, RN2, RN3, RN4, RN5, RN6, RN7 |
| 10 | 10k | R_Array_Convex_4x0612 | RN8, RN9, RN10, RN11, RN12, RN13, RN14, RN15 +2 |
486 Board design files
The KiCad project lives in the FoxCutter/486Dev repository on GitHub; these links point at the commit this page was built from.
- Layout486 Board/486 Board.kicad_pcb
- Schematic486 Board/486 Board.kicad_sch
486 Board: common questions
How big is the 486 Board?
The 486 Board measures 233.4 × 100 mm, has 4 copper layers and is 4.69 mm thick.
How many components are on the 486 Board?
114 components, from 18 distinct parts. The full bill of materials is listed on this page.
Where can I download the 486 Board design files?
From the FoxCutter/486Dev repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the 486 Board design in my own project?
Yes, under the terms of its BSD-3-Clause license, which FoxCutter chose for the repository.
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