A500-DRAM-Board
About the A500-DRAM-Board
A500-DRAM-Board is an open source PCB design by AmigaPorts, published on GitHub under the GPL-2.0 license. It is a 2-layer board measuring 99.1 × 27.9 mm, with 42 components from 5 distinct parts.
Other key parts include the IS41C16257. By type, the board carries 16 diodes, 9 modules, 6 capacitors and 2 ICs.
From the project
Replace the old 44256 DRAM chips on your A500 with newer EDO memory
Remember to grab the A500 Parts Library so that you have the correct footprints.
Main components on the A500-DRAM-Board
A500-DRAM-Board bill of materials (BOM)
42 components, 5 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | IS41C16257 | SOJ-40 | U1, U2 |
| 9 | Conn_01x01 | PinHeader_1x01_P2.54mm_Vertical | a0, a1, a2, a3, a4, a5, a6, a7 +1 |
| 9 | Conn_01x01 | PinHeader_1x01_P2.54mm_Vertical | /bras0, /bras1, gnd_u19, gnd_u20, gnd_u23, vcc_u17, vcc_u19, vcc_u20 +1 |
| 16 | Conn_01x01 | PinHeader_1x01_P2.54mm_Vertical | d0, d1, d2, d3, d4, d5, d6, d7 +8 |
| 6 | 0.1uF | C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C1, C2, C3, C4, C5, C6 |
A500-DRAM-Board design files
The KiCad project lives in the AmigaPorts/A500-DRAM-Board repository on GitHub; these links point at the commit this page was built from.
A500-DRAM-Board: common questions
How big is the A500-DRAM-Board?
The A500-DRAM-Board measures 99.1 × 27.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the A500-DRAM-Board?
42 components, from 5 distinct parts. The full bill of materials is listed on this page.
Where can I download the A500-DRAM-Board design files?
From the AmigaPorts/A500-DRAM-Board repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the A500-DRAM-Board design in my own project?
Yes, under the terms of its GPL-2.0 license, which AmigaPorts chose for the repository.