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80188

homebrew8088·8088-PC-Compatible·Kicad/Older PCB Not guaranteed To Work/80188 ISA/80188.kicad_pcb

80188 PCB layout, top view — open source board by homebrew8088
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About the 80188 PCB

80188 is an open source PCB design by homebrew8088, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 143 × 73.9 mm, with 18 components from 11 distinct parts.

Other key parts include the 74LS573, 74LS245, 8259, 8253 and 74LS257. By type, the board carries 7 capacitors, 6 ICs, 3 resistors and 1 crystal.

From the project

8088 PC XT Compatible

\ \ This is a repository for my 8088 PC Compatible project developed in 2021. The Motherboard is built to be generally PC XT compatible.

Join the discussion group on Discord\ https://discord.gg/AswNqwpRGP

eBay store\ http://www.ebay.com/sch/emil6190/m.html

Features:\ -8088, NEC V20, OR NEC V40 Processor\ -512k RAM (This can be changed)\ -8 Bit ISA sockets (4 slots or 7 slots)\ -PC Speaker\ -USB "Hard Drive"\ -PS/2 Keyboard\ -ATX form factor\ -Add on DMA controller (7 slot ISA only)

80188, from the project README
From the project README

Main components on the 80188

74LS57374LS2458259825374LS257

80188 bill of materials (BOM)

18 components, 11 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
74LS573
U2, U3
1
74LS245
U4
1
8259
U6
1
8253
U7
1
74LS257
U8
1
Crystal
Y1
1
PLCC-68_THT-Socket
80188
7
0.1UF
0.1uF
C2, C3, C4, C5, C6, C7, C8
1
27R
10K ohm
R1
1
510R
10K ohm
R2
1
10K
10K ohm
R5

80188 design files

The KiCad project lives in the homebrew8088/8088-PC-Compatible repository on GitHub; these links point at the commit this page was built from.

80188: common questions

How big is the 80188 PCB?

The 80188 measures 143 × 73.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 80188?

18 components, from 11 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the 80188 design files?

From the homebrew8088/8088-PC-Compatible repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the 80188 design in my own project?

Yes, under the terms of its GPL-3.0 license, which homebrew8088 chose for the repository.

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