Category: Technical

My PCIe cable is not what it claims!

Bad cables can really mess up your lab, and cause chaos in a data centre. If you plug in a cable and nothing happens at all, you will ‘probably’ notice that it did not link up. Some other...

Posted: 25th February 2021

Why your SSD died – Exploring the PMIC

What is a PMIC SSDs can seem very robust in comparison to spinning drives, but surviving a drop is not the only risk to your data. An SSD is a complex device and there a whole host of failure points...

Posted: 15th January 2021

How to make a Power Module sing: Creating custom waveforms with a Quarch PPM

Creating custom waveform patterns with the HD PPM I find the HD PPM an amazing tool for a couple of reasons: The injection fixtures, and its programmability. There are interposers for all the major storage interfaces and computer buses...

Posted: 27th November 2020

Where’s My Sleep State? Measuring NVMe SSD Low Power

Laptop manufacturers are in competition to provide a combination of the best performance and the best battery life, and as part of this requirement, the manufacturers must select consumer SSDs which advertise great performance and support low power states....

Posted: 12th November 2020

PCIe hot-plugging – A total pain. Or is it?

Hot-swapping PCIe Gen 4 Devices on a consumer-grade setup At Quarch, we hot-swap drives hundreds (sometimes thousands) of times during the development of a new product. This is to ensure our application notes are tested properly and the host...

Posted: 2nd November 2020

PCIe 5.0: What you need to know and how you can test Gen5 devices

We’ve been working on a lot of exciting new things this year, including a set of test fixtures for PCIe Generation 5 storage devices. PCIe Gen5 aims to support the mainstream increase of data-heavy technologies such as cloud computing,...

Posted: 4th August 2020

From the lab to the living room: How automation helped us make progress during lockdown

While working on the firmware for our latest Cable Tester product, COVID-19 forced me (and almost everyone else at Quarch) out of the office and into home working. Testing every possible fault combination we need to detect is...

Posted: 22nd June 2020

Breaker Module Versions – How to choose?

Breaker Modules form the core elements of our testing solutions for hot-swap, signal breaking and fault injection. Made to suit a range of storage form factors, including PCIe Gen4, they sit between the host system and the storage device...

Posted: 11th May 2020

Getting Java programs running on Ubuntu: OpenJDK and OpenJFX issues

This guide is particularly helpful if you are looking at using Quarch Instrument Server(QIS), Quarch Power Studio(QPS), or Quarch Compliance Suite(QCS) on Ubuntu. There are a number of users switching from using Official Java from Oracle to openJDK due...

Posted: 20th January 2020

How Quarch integrates with SANBlaze Test Systems

What is SANBlaze SBExpress-RM3 / RM4? The SANBlaze SBExpress-RM3 / RM4 is a complete turnkey PCIe® Gen 4 NVMe 2.5" SSD validation test system (RM3 for PCIe Gen 3). The SBExpress-RM4 feature set provides unique functions applicable to all...

Posted: 16th January 2020

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