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| Why you cant use a PS/2 to USB converter |
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| AndyWarne:
This is a subject that has been mentioned before but it came up again on another current thread and I have had 2 emails about it this week so I thought would re-visit. A PS/2-only keyboard encoder cannot be used with a USB converter module. The reason is this: Most PS/2 keyboards once in a while miss the sending of "key-release" signals. This does not cause any problem with PS/2 but if a USB converter is used, it would cause a stuck key in USB. As key-repeat is done in the USB driver in Windows, this results on an ever-repeating key. To avoid this, the converter designers clear out all held-down keys on the USB side of the converter every few seconds. This means the device is useless for game play. Several times I have come across people using converters with an I-PAC which makes me despair since the I-PAC is a USB device in itself and can auto-switch to either PS/2 or USB without a converter (the cable is different of course). Andy |
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