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4220Re: Issue with USB-1 and Arc-xt pro Win7 64-bit

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  • tedrhayes
    Jul 1, 2010
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      --- In BCD396XT@yahoogroups.com, "Tim Woodward" <twoodward@...> wrote:

      I too have had problems with ARC-XT and various serial connections to my BCD396XT on my Windows 7 x64 machines. I've tried it with the USB-1 and several different USB-to-Serial converters. The problem I have is just as you described - changing the BAUD rate really doesn't seem to make any difference. I also have no serial problems when using FreeScan or ProScan.

      I have found one USB-to-Serial connector with which I do not have any serial problems. That is the Micro Connectors Dual Serial Adapter. It does not use the Prolific device driver (as used by all the other usb-to-serial adapters and the USB-1).

      My suspicion is that there is a very small incompatibility with the Prolific x64 drivers that is revealed by ARC-XT. This leads to a dead-lock state (ARC-XT and the Serial Driver get stuck waiting for each other). That being said - ARC-XT doesn't appear to be very fault tolerant of serial communication errors (as the other software packages appear to be).

      I've reported my problems to BUTEL.

      Hope this adds to the discussion.

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