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Microsoft USB Blog
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2,438

Introducing the USB4™ Switch

Philip Froese on 09-17-2019 11:49 AM
8,700

UCSI based USB Type-C systems may see a shutdown delay if connect changes race with power transition

Philip Froese on 06-24-2019 04:20 PM
My system takes a long time to power down if a USB Type-C device, dock, or charger is plugged in or unplugged during the...
5,346

Debugging UCSI firmware failures

Rajib Dutta on 11-06-2018 06:24 PM
3,569

Introducing USB Type-C Connector System Software Interface (UCSI) Class Extension

Rajib Dutta on 11-06-2018 03:52 PM
USB Type-C System Software Interface Class Extension
1,061

Bringing Device Support to Windows Containers

Shyamal Varma on 10-12-2018 03:57 PM
First published on MSDN on Sep 05, 2018 We’ve been working with several different feature teams within Microsoft to enab...
3,350

Running USB Type-C System HLK tests with the Type-C MUTT

Shyamal Varma on 10-12-2018 03:57 PM
First published on MSDN on Jun 05, 2018 Authored by Philip Froese [MSFT][Last updated July 13, 2018]In the next release ...
690

The HMD Exerciser Kit- A Test Kit for VR HMDs

Shyamal Varma on 10-12-2018 03:56 PM
First published on MSDN on Jan 19, 2018 Authored by Matthew Hartman [MSFT] To support the wave of VR HMDs coming to mark...
1,069

Reading Driver Logs in USB Type-C HLK Tests

Shyamal Varma on 10-12-2018 03:55 PM
First published on MSDN on Aug 03, 2017 Authored by Philip Froese [MSFT]Newly added in the RS3 preview builds of the HLK...
822

Using UsbCApiCmd for basic USB Type-C validation

Shyamal Varma on 10-12-2018 03:53 PM
First published on MSDN on Feb 01, 2017 Authored by Michelle Bergeron [MSFT]UsbCApiCmd is a simple tool that you can use...
814

Setting up an environment to run USB Type-C system HLK tests

Shyamal Varma on 10-12-2018 03:53 PM
First published on MSDN on Jul 06, 2016 Authored by Michelle Bergeron [MSFT] and Makarand Sonare [MSFT][Last updated 10/...
841

Do I need to write a driver for my USB Type-C hardware?

Shyamal Varma on 10-12-2018 03:52 PM
First published on MSDN on Jun 20, 2016 Authored by Michelle Bergeron [MSFT]Windows 10 introduced support for the USB Ty...
980

Filing USB feedback with Repro Mode in Windows 10

Shyamal Varma on 10-12-2018 03:52 PM
First published on MSDN on Aug 17, 2015 Authored by Michelle Vogel [MSFT]Feedback from users is one of the many ways the...
4,017

What is new with Serial in Windows 10

Shyamal Varma on 10-12-2018 03:49 PM
First published on MSDN on Jul 29, 2015 Authored by George Roussos [MSFT]The Serial Communication protocol is everywhere...
1,232

USB tests in the Windows 10 Hardware Lab Kit (HLK)

Shyamal Varma on 10-12-2018 03:49 PM
First published on MSDN on May 14, 2015 The purpose of this blog post is to provide a resource with solutions to common ...
490

New in Windows 10: USB Dual Role on Mobile

Shyamal Varma on 10-12-2018 03:48 PM
First published on MSDN on May 11, 2015 Authored by Andrea Keating [MSFT] Have you ever wanted to watch the video that w...
1,024

New in Windows 10: USB Dual Role, Type-C, SuperSpeedPlus, and much more…

Shyamal Varma on 10-12-2018 03:48 PM
First published on MSDN on May 11, 2015 Authored by Fred Bhesania [MSFT]Hi everyone!The USB team is excited to share new...
2,737

Announcing the availability of a standalone legacy 1394 OHCI (FireWire) package

Shyamal Varma on 10-12-2018 03:47 PM
First published on MSDN on Sep 10, 2014 By Koichi Hirao [MSFT]We are pleased to announce the immediate availability of a...
2,015

Capturing USB Debug Traces

Shyamal Varma on 10-12-2018 03:47 PM
First published on MSDN on Sep 02, 2014 By Philip Froese [MSFT][Update 11/2016] The commands outlined in this post are n...
1,265

How to Capture and Read HID Traces in Windows 8.1

Shyamal Varma on 10-12-2018 03:47 PM
First published on MSDN on Mar 14, 2014 By Andrea Keating [MSFT] and Arvind Aiyar [MSFT] A common class of USB devices i...
677

Reducing the size of HID descriptors

Shyamal Varma on 10-12-2018 03:47 PM
First published on MSDN on Feb 13, 2014 Authored by Arvind Aiyar [MSFT] One of the descriptors that a USB HID device nee...
1,102

Windows 8.1: USB MIDI Device Works on USB 2.0 Port, Doesn’t Work on USB 3.0 Port

Shyamal Varma on 10-12-2018 03:46 PM
First published on MSDN on Jan 21, 2014 Last update: September 2nd 2014Note: A fix for this issue is included in August ...
1,204

Help! After installing Windows 8.1, my device fails with error code 19

Shyamal Varma on 10-12-2018 03:45 PM
First published on MSDN on Dec 10, 2013 Authored by Eliyas Yakub [MSFT]One of the common issues reported in Microsoft an...
1,687

Why does my USB device work on Windows 8.0 but fail on Windows 8.1 with code 43?

Shyamal Varma on 10-12-2018 03:44 PM
First published on MSDN on Nov 25, 2013 Authored by Martin Borve [MSFT]Updated 1/27/2014 by Philip Ries to show how to u...
3,743

Link Power Management (LPM) in USB 2.0

Shyamal Varma on 10-12-2018 03:43 PM
First published on MSDN on Nov 15, 2013 Authored by Vivek Gupta [MSFT]In this blog, I’ll provide an overview of the USB ...
2,234

Capturing USB ETW traces with Microsoft Message Analyzer (MMA)

Shyamal Varma on 10-12-2018 03:43 PM
First published on MSDN on Nov 08, 2013 Authored by Andrea Keating [MSFT] & Eliyas Yakub [MSFT][Updated 4/24/2017 with n...
1,105

Help! After installing Windows 8.1, my USB device doesn't charge or it disconnects and reconnects frequently...

Shyamal Varma on 10-12-2018 03:41 PM
First published on MSDN on Nov 08, 2013 Authored by MJ Bustamante [MSFT] In Windows 8.
2,246

Help! After installing Windows 8.1, my USB drive disappears or file transfers stop unexpectedly…

Shyamal Varma on 10-12-2018 03:40 PM
First published on MSDN on Oct 31, 2013 Authored by Jim Bovee [MSFT]Last update: April 17, 2014Note: The registry workar...
709

Help! After installing Windows 8.1, the SuperSpeed ports of my ASUS system don’t work…

Shyamal Varma on 10-12-2018 03:39 PM
First published on MSDN on Oct 18, 2013 Authored by Eliyas Yakub [MSFT] Most ASUS systems have a built-in utility named ...
657

Debugging your USB Windows Store app with TraceView

Shyamal Varma on 10-12-2018 03:38 PM
First published on MSDN on Jul 03, 2013 Authored by Philip Ries [MSFT]Last week, at the Microsoft Build Developer Confer...
1,293

How to include and view WPP trace messages in a driver’s public PDB files

Shyamal Varma on 10-12-2018 03:38 PM
First published on MSDN on Jun 28, 2013 Authored by Eliyas Yakub [MSFT] and Robert Zhao [MSFT]Most Microsoft-provided dr...
Latest Comments
d_m_g_3
in Announcing the availability of a standalone legacy 1394 OHCI (FireWire) package on 01-18-2020
Finally found it! https://www.microsoft.com/en-gb/download/details.aspx?id=44218 I now have my FireWire media changer working on Windows 10 :) @
0 Likes
McLupus
in Announcing the availability of a standalone legacy 1394 OHCI (FireWire) package on 01-18-2020
Ich habe das gleiche Problem. Die Downloads auf der verlinkten Seite funktionieren nicht. Wie lange wird Microsoft noch brauchen, um das Problem zu lösen?
0 Likes
d_m_g_3
in Announcing the availability of a standalone legacy 1394 OHCI (FireWire) package on 01-10-2020
Same problem the two download links on the kb page listed here are broken meaning the standalone drivers are in fact not available anywhere
1 Likes
Matt Chung
in Introducing the USB4™ Switch on 01-10-2020
Hi @dtimes3 , This is now available to purchase from MCCI at https://mcci.com/usb/dev-tools/model-3141/ Thanks,Matt
0 Likes
danbo98042
in Announcing the availability of a standalone legacy 1394 OHCI (FireWire) package on 12-13-2019
I'm having the same problem. Do I have to buy a new Firewire card? (if I can find one)
1 Likes