HardLabs

OpenAmiga500FastRamExpansion

SukkoPera·OpenAmiga500FastRamExpansion

OpenAmiga500FastRamExpansion PCB layout, top view — open source board by SukkoPera

About the OpenAmiga500FastRamExpansion PCB

OpenAmiga500FastRamExpansion is an open source PCB design by SukkoPera, published on GitHub under the Custom license license. It is a 2-layer board measuring 100 × 71.5 mm, with 34 components from 10 distinct parts.

Other key parts include the 68000D, 74LS157, ATF1502AS-10JU44 and HYB5118160BSJ. By type, the board carries 19 capacitors, 8 ICs, 4 resistors, 2 connectors and 1 LED.

It belongs with the retro computing designs in this gallery.

From the project

4/8 MB Fast RAM Expansion for the Commodore Amiga 500

OpenAmiga500FastRamExpansion will allow you to add 4 or 8 MB of Fast RAM to your Amiga 500. This way you will be able to run more applications at once and more quickly. If you combine it with a chip RAM expansion, you will also be able to run almost all games supported by WHDLoad, pushing your Amiga to its limits.

OpenAmiga500FastRamExpansion is basically a clone of a RAM expansion produced by Kipper2K a few years ago, based on an earlier design by lvd/NedoPC. He has since stopped producing and selling these cards and I thought it was a pity that he didn't open his designs and actually took…

OpenAmiga500FastRamExpansion, from the project README
From the project README

Main components on the OpenAmiga500FastRamExpansion

68000D74LS157ATF1502AS-10JU44HYB5118160BSJ

OpenAmiga500FastRamExpansion bill of materials (BOM)

34 components, 10 distinct parts.

QtyPartRefs
1
68000D
U1
2
74LS157
U2, U3
1
ATF1502AS-10JU44
U4
4
HYB5118160BSJ
U5, U6, U7, U8
1
68000_SOCKET
J1
1
JTAG_CONNECTOR
P1
1
LED
LD1
1
10u
C1
18
100n
C2, C3, C4, C5, C6, C7, C8, C9 +10
4
10k
R1, R2, R3, R4

OpenAmiga500FastRamExpansion design files

The KiCad project lives in the SukkoPera/OpenAmiga500FastRamExpansion repository on GitHub; these links point at the commit this page was built from.

OpenAmiga500FastRamExpansion: common questions

How big is the OpenAmiga500FastRamExpansion PCB?

The OpenAmiga500FastRamExpansion measures 100 × 71.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the OpenAmiga500FastRamExpansion?

34 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the OpenAmiga500FastRamExpansion design files?

From the SukkoPera/OpenAmiga500FastRamExpansion repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the OpenAmiga500FastRamExpansion design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

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