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4,484

Shyamal Varma on 10-12-2018 03:37 PM

First published on MSDN on Apr 11, 2013 Authored by Martin Borve [MSFT]In 2009 we posted a detailed description of how W...

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Shyamal Varma on 10-12-2018 03:37 PM

First published on MSDN on Mar 26, 2013 Authored by Andrea Keating [MSFT]If you have upgraded a system with USB 3.

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Shyamal Varma on 10-12-2018 03:37 PM

First published on MSDN on Feb 18, 2013 Authored by Vivek Gupta [MSFT]Windows 8 supports a new device power state called...

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Shyamal Varma on 10-12-2018 03:37 PM

First published on MSDN on Sep 26, 2012 Authored by Eliyas Yakub [MSFT] and Qiang Qiu [MSFT]WinUSB is a Microsoft-provid...

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Shyamal Varma on 10-12-2018 03:36 PM

First published on MSDN on Aug 08, 2012 The Microsoft USB Test Tool (MUTT) software package contains test tools for hard...

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Shyamal Varma on 10-12-2018 03:35 PM

First published on MSDN on Aug 07, 2012 Authored by Philip Ries [MSFT]Windows 8 provides a USB driver stack to support U...

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Shyamal Varma on 10-12-2018 03:35 PM

First published on MSDN on Jul 26, 2012 Authored by Eliyas Yakub [MSFT]In this blog, I’ll answer some of the frequently ...

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Shyamal Varma on 10-12-2018 03:35 PM

First published on MSDN on Jul 12, 2012 1 IntroductionMy name is Vivek Gupta; I am an engineer in Microsoft.

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Shyamal Varma on 10-12-2018 03:35 PM

First published on MSDN on Jun 27, 2012 How to determine whether a USB 3.

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Shyamal Varma on 10-12-2018 03:33 PM

First published on MSDN on Jun 08, 2012 Perhaps the most commonly encountered problem with USB devices is enumeration fa...

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Shyamal Varma on 10-12-2018 03:33 PM

First published on MSDN on Nov 28, 2011 This paper provides information about certain limitations of the Universal Seria...

449

Shyamal Varma on 10-12-2018 03:32 PM

First published on MSDN on Oct 14, 2011 Here are some common causes and solutions for users facing an "Unknown Device" p...

206

Shyamal Varma on 10-12-2018 03:32 PM

First published on MSDN on Sep 15, 2011 There is a lot of news coming out of the BUILD conference this week.

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Shyamal Varma on 10-12-2018 03:32 PM

First published on MSDN on Jul 21, 2011 Hi, I’m Ram Valliyappan and I am a Program Manager on the Windows team responsib...

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Shyamal Varma on 10-12-2018 03:32 PM

First published on MSDN on May 10, 2011 Hi, I am Vivek Gupta, a software developer on the USB team.

213

Shyamal Varma on 10-12-2018 03:31 PM

First published on MSDN on Mar 31, 2011 When upgrading from Windows 7 RTM to SP1 on a clean Windows 7 RTM build, binarie...

613

Shyamal Varma on 10-12-2018 03:31 PM

First published on MSDN on Mar 30, 2011 My name is Jane Lawrence, and in this blog post, Philip Ries and I will describe...

934

Shyamal Varma on 10-12-2018 03:31 PM

First published on MSDN on Feb 22, 2011 Hi, I’m Kristina Hotz, a Program Manager on the USB team.

291

Shyamal Varma on 10-12-2018 03:31 PM

First published on MSDN on Feb 02, 2011 Hi, I’m Kristina Hotz, a Program Manager on the USB Team.

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Shyamal Varma on 10-12-2018 03:31 PM

First published on MSDN on Dec 06, 2010 Hi, I’m Kristina Hotz, a Program Manager on the USB team.

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Shyamal Varma on 10-12-2018 03:30 PM

First published on MSDN on Oct 25, 2010 Hello, my name is Yang You and I am a program manager for USB Diagnostics.

296

Shyamal Varma on 10-12-2018 03:29 PM

First published on MSDN on Sep 29, 2010 Hello, Today I’d like to share with you a change we are making to the Windows Lo...

1,356

Shyamal Varma on 10-12-2018 03:29 PM

First published on MSDN on Sep 22, 2010 Hello, My name is Jane Lawrence and I am a program manager for USB Compatibility...

704

Shyamal Varma on 10-12-2018 03:28 PM

First published on MSDN on Aug 27, 2010 A USB client driver sends in and out transfers to its device.

226

Shyamal Varma on 10-12-2018 03:28 PM

First published on MSDN on Jun 29, 2010 Hello, I am a writer on the Windows Driver Kit team.

528

Shyamal Varma on 10-12-2018 03:28 PM

First published on MSDN on May 18, 2010 (This post was temporarily unavailable during some of the recent MSDN Blogs site...

230

Shyamal Varma on 10-12-2018 03:27 PM

First published on MSDN on Apr 16, 2010 We are going to start a new blog series called "Known Hardware Issues" where we ...

244

Shyamal Varma on 10-12-2018 03:27 PM

First published on MSDN on Mar 17, 2010 We covered in previous blogs how to get trace events from core USB stack and vie...

279

Shyamal Varma on 10-12-2018 03:27 PM

First published on MSDN on Feb 10, 2010 Updated 7/12/2011 with Windows 7 SP1 format data (in addition to RTM format data...

1,160

Shyamal Varma on 10-12-2018 03:27 PM

First published on MSDN on Feb 05, 2010 Updated 7/12/2011 with Windows 7 SP1 format data (in addition to RTM format data...

Latest Comments

in Capturing USB Debug Traces on 04-28-2021

This CMD file makes the article seem dated. Is there an update somewhere?

0 Likes

in How to determine whether a USB 3.0 device is operating at SuperSpeed? on 03-16-2021

Valuable and helpful information - Thank you putting it together!

0 Likes

in How to install WinUSB.sys without a custom INF? on 08-14-2020

hello Shyamal Varma, Eliyas Yakub [MSFT] and Qiang Qiu [MSFT]; The link you provided: Writing an .Inf File for WinUSB Installation in this article seems lead us to a website that introduce different hardware MS can support but didn't tell how to solve write .inf File for WinUSB Installation directly...

0 Likes

in What is new with Serial in Windows 10 on 07-15-2020

Hi, barcode scanners from Honeywell do support CDC-ACM and usbser.sys.To use usbser.sys ensure you do not install the driver from the Honeywell website. This is a custom driver.In DevMan you can see which driver is used. Usbser.sys uses names like "Usb Serial Device (COM3)", while the Honeywell driv...

0 Likes

in USB tests in the Windows 10 Hardware Lab Kit (HLK) on 04-08-2020

windows 10 1903 hlk test is failing for UDE controller based device.. all test cases are passing. only one test case is failing.USB Device Connection s3+s4+standby.

1 Likes