HardLabs

V40

homebrew8088·8088-PC-Compatible·Kicad/V40 ISA/V40.kicad_pcb

V40 PCB layout, top view — open source board by homebrew8088
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About the V40 PCB

V40 is an open source PCB design by homebrew8088, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 132 × 73.9 mm, with 11 components from 7 distinct parts.

Other key parts include the 70208, 74LS573 and 74LS245. By type, the board carries 4 ICs, 4 capacitors, 2 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)

V40, from the project README
From the project README

Main components on the V40

7020874LS57374LS245

V40 bill of materials (BOM)

11 components, 7 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
70208
U1
2
74LS573
U2, U3
1
74LS245
U4
1
Crystal
Y1
4
0.1UF
0.1uF
C1, C2, C3, C4
1
27R
10K ohm
R1
1
510R
10K ohm
R2

V40 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.

V40: common questions

How big is the V40 PCB?

The V40 measures 132 × 73.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the V40?

11 components, from 7 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 V40 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 V40 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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