RDIMM Debug Adapter

This board exposes signals from the RDIMM connector onto LED arrays to perform low-level testing of the RDIMM connector. It is compatible with both Data Center RDIMM DDR5 Tester and Data Center RDIMM DDR4 Tester boards.

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Manufacturer	Manufacturer part number	Description
Nexperia	74AVC16T245DGG	Logic translator/level shifter
Diodes Incorporated	AP7330-W5-7	Voltage regulator
Diodes Incorporated	AP62301WU-7	DC-DC Switching Synchronous Buck Regulator, Adjustable, 4.2V-18Vin, 0.8V-7V/3A out, TSOT-26-6
OSRAM	LG L29K-G2J1-24-Z	LED, Green, SMD, 0603, 20 mA, 1.7 V, 570 nm
AOSMD	AO3401A	Power MOSFET, P Channel, 30 V, 4 A, 0.07 ohm, SOT-23, Surface Mount
Onsemi	SBC807-40WT1G	Bipolar (BJT) Single Transistor, PNP, 45 V, 500 mA, 460 mW, SC-70, Surface Mount
KYOCERA AVX	0603YD105KAT2A	SMD Multilayer Ceramic Capacitor, 1 µF, 16 V, 0603 [1608 Metric], ± 10%, X5R, AVX 0603 MLCC
Murata	GRM188R61A106KE69D	SMD Multilayer Ceramic Capacitor, 10 µF, 10 V, 0603 [1608 Metric], ± 10%, X5R, GRM Series
Murata	GRM155R61H104KE14D	SMD Multilayer Ceramic Capacitor, 0.1 µF, 50 V, 0402 [1005 Metric], ± 10%, X5R, GRM Series
Murata	GRM188R60J226MEA0D	SMD Multilayer Ceramic Capacitor, 22 µF, 6.3 V, 0603 [1608 Metric], ± 20%, X5R, GRM Series
Coilcraft	XEL4030-332MEC	Power Inductor (SMT), AEC-Q200, 3.3 µH, 6.6 A, Shielded, 5.9 A, XEL4030
Bourns	CR0402-FX-4700GLF	SMD Chip Resistor, 470 ohm, ± 1%, 62.5 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0603-J/-000ELF	Zero Ohm Resistor, Jumper, 0603 [1608 Metric], Thick Film, 100 mW, 1 A, Surface Mount Device, CR
Panasonic	ERJ2GE0R00X	SMD Chip Resistor, Jumper, 0 ohm, 100 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-1202GLF	SMD Chip Resistor, 12 kohm, ± 1%, 62.5 mW, 0402 [1005 Metric], Thick Film, General Purpose
Bourns	CR0402-FX-2402GLF	SMD Chip Resistor, 24 kohm, ± 1%, 100 mW, 0402 [1005 Metric], Thick Film, Precision
Bourns	CR0402-FX-2102GLF	SMD Chip Resistor
Bourns	CR0402-FX-1002GLF	SMD Chip Resistor, 10 kohm, ± 1%, 62.5 mW, 0402 [1005 Metric], Thick Film, General Purpose
Vishay	CRCW08050000Z0EA	Zero Ohm Resistor, Jumper, 0805 [2012 Metric], Thick Film, 125 mW, 2.5 A, Surface Mount Device
Bourns	CR0402-FX-1003GLF	SMD Chip Resistor, 100 kohm, ± 1%, 62.5 mW, 0402 [1005 Metric], Thick Film, General Purpose

Name	Type	Material	Thickness[mm]	Constant
F.Mask	Top Solder Mask		0.01
F.Cu	copper		0.035
dielectric 1	core	FR4	0.413333	4.5
In1.Cu	copper		0.035
dielectric 2	prepreg	FR4	0.413333	4.5
In2.Cu	copper		0.035
dielectric 3	core	FR4	0.413333	4.5
B.Cu	copper		0.035
B.Mask	Bottom Solder Mask		0.01

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Data Center RDIMM DDR4 Tester

An experimental platform for development of RAM controllers supporting RDIMM DDR4 RAM modules commonly used in data centers, built around the Xilinx Kintex-7 FPGA. This hardware platform is used in Antmicro's and Google's Rowhammer testing framework which can be used to perform (and potentially mitigate) Rowhammer-type 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. You can read more about this board in this Antmicro blog note.
Data Center RDIMM DDR5 Tester

This board allows you to develop and customize RAM controllers to implement countermeasures against Rowhammer attacks and to experiment with RDIMM DDR5 RAM modules used in data centers. The latest revision of the board contains AMD (Xilinx) Artix UltraScale Plus series FPGA in a 676-BGA package. The previous revision of the board was based on AMD (Xilinx) Kintex-7 FPGA. The on-board configuration flash can store the bitstream that is loaded at startup. In addition, a 1Gb Ethernet interface is provided to access the DDR5 Tester over the local network infrastructure. The RDIMM DDR5 Tester includes on-board 64Mb HyperRAM for storing critical runtime data. The RDIMM DDR5 Tester is one of the DRAM testing platforms supported in the open source Rowhammer Tester framework. You can learn more about the RDIMM DDR5 Tester in this Antmicro blog note.

RDIMM Debug Adapter