Sonova Holding Port Devices Driver Download For Windows

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By Mark Russinovich

Published: January 12, 2012

Download Portmon(226 KB)
Run now from Sysinternals Live.

Introduction

Portmon is a utility that monitors and displays all serial andparallel port activity on a system. It has advanced filtering and searchcapabilities that make it a powerful tool for exploring the way Windowsworks, seeing how applications use ports, or tracking down problems insystem or application configurations.

Portmon 3.x

Version 3.x of Portmon marks the introduction of a number of powerfulfeatures.

  • Remote monitoring: Capture kernel-mode and/or Win32 debug outputfrom any computer accessible via TCP/IP - even across the Internet.You can monitor multiple remote computers simultaneously. Portmonwill even install its client software itself if you are running iton a Windows NT/2K system and are capturing from another WindowsNT/2K system in the same Network Neighborhood.
  • Most-recent-filter lists:Portmon has been extended withpowerful filtering capabilities and it remembers your most recentfilter selections, with an interface that makes it easy to reselectthem.
  • Clipboard copy: Select multiple lines in the output window andcopy their contents to the clipboard.
  • Highlighting: Highlight debug output that matches yourhighlighting filter, and even customize the highlighting colors.
  • Log-to-file: Write debug output to a file as its being captured.
  • Printing: Print all or part of captured debug output to aprinter.
  • One-file payload:Portmon is now implemented as one file.

The on-line help-file describes all these features, and more, in detail.

Installation and Use

Simply execute the Portmon program file (portmon.exe) and Portmonwill immediately start capturing debug output. To run Portmon onWindows 95 you must get the WinSock2update from Microsoft. Notethat if you run Portmon on Windows NT/2K portmon.exe must be locatedon a non-network drive and you must have administrative privilege.Menus, hot-keys, or toolbar buttons can be used to clear the window,save the monitored data to a file, search output, change the windowfont, and more. The on-line help describes all of Portmon's features.

Portmon understands all serial and parallel port I/O control (IOCTLs)commands and will display them along with interesting informationregarding their associated parameters. For read and write requestsPortmon displays the first several dozen bytes of the buffer, using'.' to represent non-printable characters. The Show Hex menu option letsyou toggle between ASCII and raw hex output of buffer data.

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How it Works: WinNT

The Portmon GUI is responsible for identifying serial and parallelports. It does so by enumerating the serial ports that are configuredunder HKEY_LOCAL_MACHINEHardwareDeviceMapSerialComm and theparallel ports defined underHKEY_LOCAL_MACHINEHardwareDeviceMapParallel Ports. These keyscontain the mappings between serial and parallel port device names andthe Win32-accessible names.

When you select a port to monitor, Portmon sends a request to itsdevice driver that includes the NT name (e.g. deviceserial0) thatyou are interested in. The driver uses standard filtering APIs to attachits own filter device object to the target device object. First, it usesZwCreateFile to open the target device. Then it translates thehandle it receives back from ZwCreateFile to a device objectpointer. After creating its own filter device object that matches thecharacteristics of the target, the driver callsIoAttachDeviceByPointer to establish the filter. From that point onthe Portmon driver will see all requests aimed at the target device.

Portmon has built-in knowledge of all standard serial and parallelport IOCTLs, which are the primary way that applications and driversconfigure and read status information from ports. The IOCTLs are definedin the DDK file ddksrccommincntddser.h andddksrccommincntddpar.h, and some are documented in the DDK.

How it Works: Windows 95 and 98

On Windows 95 and 98, the Portmon GUI relies on a dynamically loadedVxD to capture serial and parallel activity. The Windows VCOMM (VirtualCommunications) device driver serves as the interface to parallel andserial devices, so applications that access ports indirectly use itsservices. The Portmon VxD uses standard VxD service hooking tointercept all accesses to VCOMM's functions. Like its NT device driver,Portmon's VxD interprets requests to display them in a friendlyformat. On Windows 95 and 98 Portmon monitors all ports so there is noport selection like on NT.

Download Portmon(226 KB)

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Using macOS 10.15 & above (Catalina/Big Sur)?Sonova holding port devices driver download for windows xp

32-bit software such as MyHarmony and Logitech Harmony Remote legacy software will no longer run on macOS 10.15 & above (Catalina/Big Sur).
If you’re using a hub-based remote, you will need to use the Harmony app on your iOS or Android device. You can also continue to use MyHarmony on a computer running Windows or macOS 10.14 or lower.
If you have a remote that doesn't use a hub, you may download the latest software using the links on this page.

If you’re planning to upgrade to macOS 11.0, there will be a delay in having the legacy software supported on macOS 11.0 Big Sur. We recommend holding off on upgrading to macOS 11.0 Big Sur if you need to access your remote’s account.

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See Harmony and macOS (Catalina/Big Sur) for the latest information.

Upgrading to macOS 10.15 Catalina or macOS 11.0 Big Sur?

32-bit software such as MyHarmony and Logitech Harmony Remote legacy software will no longer run on macOS 10.15 & above (Catalina/Big Sur).

If you’re using a hub-based remote, you will need to use the Harmony app on your iOS or Android device. You can also continue to use MyHarmony on a computer running Windows or macOS 10.14 or lower.

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If you have a remote that doesn't use a hub, you may come back to this page and download the latest software once you have upgraded to Catalina, your operating system and version will be detected by the page and you will be provided with the correct software for your Mac.

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See Harmony and macOS (Catalina/Big Sur) for the latest information.

Use the MyHarmony desktop software or Harmony mobile app* to set up and sign in to your account. From there, you can add devices, set up Harmony Activities, and make changes to your configuration. If you have a Harmony hub-based product, use the Harmony mobile app to set up and configure Harmony.

If you're using an older Harmony remote model, such as Harmony One, 880, 900, 1000, or 1100, see: Logitech Remote Software v7.x

*You must have a hub-based product to use the Harmony mobile app.