8086
About the 8086 PCB
8086 is an open source PCB design by homebrew8088, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 216.4 × 106.7 mm, with 42 components from 17 distinct parts.
Other key parts include the 8284, 74LS573, 74LS245, 8086 and 8259. By type, the board carries 18 ICs, 18 capacitors, 5 resistors and 1 crystal.
From the project
8086 PC Compatible
This is a repository for my 8086 PC Compatible project developed in 2021. The Motherboard is built to be generally PC XT/AT compatible.\ \ THIS DOES NOT WORK CORRECTLY FOR REFERENCE ONLY
https://www.homebrew8088.com \ http://www.ebay.com/sch/emil6190/m.html
Features:\ -8086, NEC V30\ -512k RAM (This can be changed)\ -16 Bit ISA Slots\ -PC Speaker\ -USB "Hard Drive"\ -PS/2 Keyboard\ -ATX form factor\ -Add on DMA controller (Has not been built)
Main components on the 8086
8086 bill of materials (BOM)
42 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 8284 | DIP-18_W7.62mm | U1 |
| 3 | 74LS573 | DIP-20_W7.62mm | U2, U3, U14 |
| 4 | 74LS245 | DIP-20_W7.62mm | U4, U9, U11, U12 |
| 1 | 8086 | DIP-40_W15.24mm | U5 |
| 2 | 8259 | DIP-28_W15.24mm | U6, U18 |
| 1 | 8253 | DIP-24_W15.24mm | U7 |
| 2 | 74LS257 | DIP-16_W7.62mm | U8, U10 |
| 1 | 74LS125 | DIP-14_W7.62mm | U13 |
| 1 | 74LS126 | DIP-14_W7.62mm | U15 |
| 1 | 74LS139 | DIP-16_W7.62mm | U16 |
| 1 | 74LS04 | DIP-14_W7.62mm | U17 |
| 1 | Crystal | Crystal_HC18-U_Vertical | Y1 |
| 18 | 0.1uF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C1, C2, C3, C4, C5, C6, C7, C8 +10 |
| 1 | 27 ohm | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
| 2 | 510 ohm | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R4 |
| 1 | 10K ohm | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R10 |
| 1 | 10K ohm | R_Array_SIP9 | RN1 |
8086 design files
The KiCad project lives in the homebrew8088/8086-PC-Compatible repository on GitHub; these links point at the commit this page was built from.
8086: common questions
How big is the 8086 PCB?
The 8086 measures 216.4 × 106.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 8086?
42 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the 8086 design files?
From the homebrew8088/8086-PC-Compatible repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the 8086 design in my own project?
Yes, under the terms of its GPL-3.0 license, which homebrew8088 chose for the repository.
