Ddr4-dimm test
About the Ddr4-dimm test PCB
Ddr4-dimm test is an open source PCB design by a-little-wifi, published on GitHub. It is a 6-layer board measuring 133.4 × 31.3 mm, with 150 components from 9 distinct parts.
By type, the board carries 137 resistors and 3 capacitors.
From the project
Trying to make a DDR4 ram stick for fun
I need DDR4 UDIMMs for some PCs I got but I don't feel like buying any so I'll make it myself and harvest chips from a dead 32GB RDIMM (nevermind that's not possible, the RDIMM uses 4-bit chips and I need 8-bit chips)
- https://github.com/vmetodiev/OpenDIMM - https://github.com/DiodeRed/kicad-footprint-ddr4-dimm - Random motherboard schematics - DDR4 specification
Ddr4-dimm test bill of materials (BOM)
150 components, 9 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | DDR4-dimm-edge | DDR4-dimm | GF1 |
| 9 | MT40A2G8SA-062E:F DDR4-BGA78 | DDR4-BGA78 | WAM1, WAM2, WAM3, WAM4, WAM5, WAM6, WAM7, WAM8 +1 |
| 1 | 0.1uF | C_0402_1005Metric | C1 |
| 1 | ? | C_0402_1005Metric | C2 |
| 1 | 10pF | C_0402_1005Metric | C3 |
| 28 | 39Ω | R_0402_1005Metric | R1, R2, R3, R4, R5, R6, R7, R8 +20 |
| 1 | 47Ω | R_0402_1005Metric | R29 |
| 9 | 240Ω | R_0402_1005Metric | R30, R31, R32, R33, R34, R35, R36, R37 +1 |
| 99 | 15Ω | R_0402_1005Metric | R38, R39, R40, R41, R42, R43, R44, R45 +91 |
Ddr4-dimm test design files
The KiCad project lives in the a-little-wifi/ddr4-dimm-test repository on GitHub; these links point at the commit this page was built from.
- Layoutddr4-dimm-test.kicad_pcb
- Schematicddr4-dimm-test.kicad_sch
Ddr4-dimm test: common questions
How big is the Ddr4-dimm test PCB?
The Ddr4-dimm test measures 133.4 × 31.3 mm, has 6 copper layers and is 1.6 mm thick.
How many components are on the Ddr4-dimm test?
150 components, from 9 distinct parts. The full bill of materials is listed on this page.
Where can I download the Ddr4-dimm test design files?
From the a-little-wifi/ddr4-dimm-test repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Ddr4-dimm test design in my own project?
The repository has no license, so all rights stay with a-little-wifi. Use it as a reference, and ask the author before reusing the design.