Data Center RDIMM DDR4 Tester

Copyright (c) 2021-2023 Antmicro

Overview

This repository contains open hardware KiCad design files for an experimental platform built around the Xilinx Kintex-7 FPGA which can be used to interface with RDIMM DDR4 RAM modules used in data centers.

This hardware platform is used in Antmicro's and Google's Rowhammer testing framework which can be used to perform (and potentially mitigate) Rowhammer attacks on DRAM memories. You can learn more about Rowhammer and our work towards mitigating it in a Google Open Source blog note describing a related platform. The usage instructions for this board are also provided in the Rowhammer testing framework documentation.

Repository structure

The main repository directory contains KiCad PCB project files, a LICENSE and README. The remaining files are stored in the following directories:

• lib - contains the component libraries
• img - contains graphics for this README

Key Features

• Kintex-7 FPGA (XC7K160T-FFG676)
• DDR4 RDIMM connector with hotswap
• HDMI output connector
• Ethernet RJ45 connector with 1GbE transciever
• USB-C debug connector with FT4232HQ FTDI USB controller
• JTAG
• microSD card slot
• 16 MBytes S25FL128S QSPI FLASH memory
• S27KL0641 HyperRAM
• External 7-12V DC power input
• PoE++
• Power consumption monitoring
• 5 user LEDs
• Optional FMC HPC expansion connector

Block diagram

License

This project is published under the Apache-2.0 license.