Bus Bridge
About the Bus Bridge PCB
Bus Bridge is an open source PCB design by homebrew8088, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 25.4 × 89.5 mm, with 16 components from 4 distinct parts.
Other key parts include the 74LS245 and 74LS573. By type, the board carries 6 connectors, 5 ICs and 5 capacitors.
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 Bus Bridge
Bus Bridge bill of materials (BOM)
16 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 74LS245 | DIP-20_W7.62mm | U1, U2, U3 |
| 2 | 74LS573 | DIP-20_W7.62mm | U4, U5 |
| 6 | Conn_01x08 | PinHeader_1x08_P2.54mm_Vertical | J1, J2, J3, J4, J5, J6 |
| 5 | 0.1uF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C1, C2, C3, C4, C5 |
Bus Bridge 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.
Bus Bridge: common questions
How big is the Bus Bridge PCB?
The Bus Bridge measures 25.4 × 89.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Bus Bridge?
16 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the Bus Bridge 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 Bus Bridge design in my own project?
Yes, under the terms of its GPL-3.0 license, which homebrew8088 chose for the repository.
