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Copper reference-A6

HoodPaul·amiga-72pin-fpm-simm·source/copper-reference-A6.kicad_pcb

Copper reference-A6 PCB layout, top view — open source board by HoodPaul

About the Copper reference-A6 PCB

Copper reference-A6 is an open source PCB design by HoodPaul, published on GitHub. It is a 4-layer board measuring 108 × 25.4 mm, with 17 components from 7 distinct parts.

Other key parts include the HY5118160BJC-60 and HY5118160JC-70. By type, the board carries 4 ICs, 4 capacitors, 4 resistors and 1 connector.

It belongs with the retro computing designs in this gallery.

From the project

A common PCB for 4 MB single-sided and 8 MB double-sided 5 V FPM SIMMs, developed for Amiga 4000 motherboard memory configurations. Current revision: A7.

A common PCB for 4 MB single-sided and 8 MB double-sided 5 V FPM SIMMs, developed for Amiga 4000 motherboard memory configurations. Current revision: A7.

The project began with a wish to make RAM that visually matches Re-Amiga systems: black PCB, white silkscreen and gold contacts and exposed pads. It is a collaboration between Paul of UK Computing Limited, Jon of JMC Electronics and AI assistance through Codex.

Copper reference-A6, from the project README
From the project README

Main components on the Copper reference-A6

HY5118160BJC-60HY5118160JC-70

Copper reference-A6 bill of materials (BOM)

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

QtyPartRefs
2
HY5118160BJC-60
HY5118160JC-70
U1, U2
2
HY5118160JC-70
U3, U4
1
72-pin / 4 or 8 MB / FPM
J1
4
0R / OPTION
RPD1, RPD2, RPD3, RPD4
4
220 nF / 16 V X7R
C1, C2, C3, C4
2
0R / REAR EN
R1, R2
2
10k / REAR PULLUP
R3, R4

Copper reference-A6 design files

The KiCad project lives in the HoodPaul/amiga-72pin-fpm-simm repository on GitHub; these links point at the commit this page was built from.

Copper reference-A6: common questions

How big is the Copper reference-A6 PCB?

The Copper reference-A6 measures 108 × 25.4 mm, has 4 copper layers and is 1.2 mm thick.

How many components are on the Copper reference-A6?

17 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 Copper reference-A6 design files?

From the HoodPaul/amiga-72pin-fpm-simm repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Copper reference-A6 design in my own project?

The repository has no license, so all rights stay with HoodPaul. Use it as a reference, and ask the author before reusing the design.

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