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the PS/2 protocol is bi-directional. except the Adesso adapter.The Adesso adapter sends all data transactions between the keyboard and computer. I'm one of those IBM Model-M "clicky keyboard" people. 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. 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 thissssssssssssss 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.
it actually works where the cheaper ones didn't.I highly recommend this product EXCELLENT.worth the extra $$$.
Great Product. I got it a month or so ago and so far so good. It installed right away with Windows Vista and has given me no problems at all.
Everything worked right away and has been completely trouble-free. I have a ps2 mouse and keyboard connected via a ps2 KVM to a Linux computer with ps2 ports and a Windows XP computer with only USB ports. I used this adapter to connect the ps2 cables from the KVM to the usb port on the XP computer.
The device works with just a keyboard cable plugged into it.No software to deal with, everything works great, and I'm completely satisfied with this handy gizmo. But no problem, it asked me to press the key to the right of the left "Shift" key, then the key to the right of the right "Shift" key, and the Mac figured out the rest.My mouse is usb, so I didn't use the mouse connection. I bought this to provide a connection from my old Dell ergonomic keyboard (SK-6000, but that's a detail) to my brand new Mac Mini (May 2009). I plugged it in, turned on the mini, and after it started up I was shown a screen saying the Mac didn't recognize the keyboard.
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