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    PassMark USB Tester

  

Overview

PassMark USB Loopback plugs can be used to help diagnose, troubleshoot and load test your PC. When used with PassMark's BurnInTest Professional software package V4.0 or higher and free USB2Test Software, it is possible to.

  • Quickly check if a USB port is powered
  • Check that data can be sent and received from the port
  • Check USB errors rates and transmission speed (up to 480Mbits/sec)
  • Measure the level of recovered data (retransmitted frames)
  • Verify that the system remains stable under long periods of load
  • Test that USB support in Windows has been correctly installed
  • Test self powered USB hubs and PC ports function correctly
  • Check USB cabling
  • Concurrently check multiple USB ports at the same time.
  • Benchmark your PC's USB ports
  • Check if your PC ports are high speed 480Mbits/sec (USB 2.0), or full speed 12Mbits/sec (USB 1.x) via a LED

Active loopback plugs are the quickest, most effective way to verify that a PC's USB ports are working correctly. The Red, Green and Yellow LED's on the front of this USB adapter plug provide a quick visual indication of I/O activity and if the USB bus is powered. This will dramatically improve the troubleshooting and diagnostic ability of computer technicians and system integrators, who have previously been working blind.

In benchmark mode, the device is capable of reaching the maximum defined transfer speed for USB2.0 (480Mbit/sec). Note: Testing has shown that most PC's can not attain speeds much above 300Mbits/sec and performance will vary depending on your motherboard, CPU and other USB devices connected to the PC.

Up to 10 of these USB test plugs can be simultaneously connected to a PC providing that free USB ports are available on the PC or on a down stream hub and sufficient power is available.

These plugs are unique! They are the only true USB 2.0 loop back adapters on the market and have been especially designed for use with our BurnInTest Professional software package or USB2Test stand alone software supplied with the plug. They do not require an external power supply and do not require a connection to any other port on a PC. Each plug also has its own serial number stored in EPROM, on the plug, so it is possible to identify each plug when multiple plugs are connected.

Each plug also contains its own CPU and executes its own firmware (which can be upgraded in the future by download)

Products

PassMark manufacture and distribute two types of USB 2 plugs. When compared to the USB 2.0 loopback plug described above, USB loopback is effectively a lower cost USB 1.x loopback plug with a reduced set of features (such as no benchmarking support). Compare USB1 and USB2 loopback plugs.

USB Loopback: USB 2.0 Loopback:

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