bidirectional

  1. Windows 7 Asymmetric serial port problems after reinstall

    I use a nullmodem cable to transfer data from an old PC controlling a scientific experiment (custom software for DOS). I have been using this method for the last 15 years on probably 8+ different PCs (always connecting to the same old PC). I have been using this method since Windows 7 came out...
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    Windows 7 Printing with Windows 7

    I installed Windows 7 to replace Vista. I cannot print from any program. I get a message to go to printer services and click to enable bidirectional printing, but canot find that option anywhere.