Adesso PS/2 to USB Adapter, connects 2 PS/2 connectors to 1 USB port/hub (ADP-PU21 )
by ADESSO
List Price:
Our Price: $7.30
You Save: $2.65 (27%)
Availability: Usually ships in 24 hours
Buy Used: from $4.90 (click here)
Category: CE
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Digital product summary information
Manufacturer: ADESSOAudio: English (Original Language)
Format: CD-ROM
Platform: Windows
Model: ADP-PU21
Product features:
- Connect Two PS/2 Input Devices to One USB (PC) Port
- Use Existing PS/2 Input Devices on New USB Computers
- Works With All Adesso Touchpad and Trackball Keyboards
- Easy installation, no software driver needed
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Digital camera reviews of Adesso PS/2 to USB Adapter, connects 2 PS/2 connectors to 1 USB port/hub (ADP-PU21 )
Digital camera Review: Adesso PS/2 to USB Adapter
Summary: 5 Stars
I'm one of those IBM Model-M "clicky keyboard" people. I won't use any keyboard but an IBM Model-M.
Unfortunately, the Model-M keyboard uses a PS/2 connection and does not interface to newer USB only computers.
So, an IBM keyboard user needs a PS/2 to USB adapter.
There are adapters out there which simply cross the wires. These DO NOT work with the Model M.
There are adapters out there with an active controller chip in them which (supposedly) properly converts the PS/2 signal format into USB.
Now, here's the big point... the PS/2 protocol is bi-directional. That is, the keyboard sends signals to the computer, BUT the computer can also send signals to the keyboard (such as "turn on the num lock lamp" or "do a reset").
I've tried every active controller that I could find with my Model M keyboard.
NONE of them sent communications back TO the printer... except the Adesso adapter.
The Adesso adapter sends all data transactions between the keyboard and computer... in both directions.
I was using a different adapter before and had random problems such as no reset (I had to momentarily unplug the keyboard) and the worst problem was multiple keystrokes.
Sometimes it would do <- add a bunch of characters that I never typed.
The Adesso adapter doesn't do this. It sends data to the keyboard so that the motherboard can send reset commands to it and prevent lockups.
Bottom line: I've tried ALL of the active adapters with my IBM Model M keyboard and the Adesso adapter is the ONLY ONE that works flawlessly.
If you have a Model M, this is the ONLY adapter you should consider buying.
More Adesso PS/2 to USB Adapter, connects 2 PS/2 connectors to 1 USB port/hub (ADP-PU21 ) reviews:
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Summary of Adesso PS/2 to USB Adapter, connects 2 PS/2 connectors to 1 USB port/hub (ADP-PU21 )
The Adesso ADP-PU21 USB to PS/2 adapter is the best solution for those who want to use legacy PS/2 devices on new USB systems. It allows you to connect a PS/2 mouse and keyboard through the USB port on any computer. Perfect for Notebook Laptop users.Cables & Interconnects
Cameras and Photo
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