In SX Microcontrollers, SX/B Compiler and SX-Key Tool, robotworkshop wrote:

Hello,

Getting to your serial port settings may be slightly different depending upon what version of the OS you are running.  Assuming you might be running XP then you can get to the serial port setup by:

- Right clicking on "My Computer"
- Click on 'Properties"
- Click on "Device Manager" under "Hardware" tab
- Under "Ports (COM & LPT)" Find your serial port
- Select "Properties" then "Port settings" tab

From there set the "Flow control" to "None"

Also, go under the "Advanced" button and try unchecking the "Use FIFO Buffers" or at least set the transmit buffer to 1.

This should get you talking to your board.

You can also get to some of these settings via HyperTerminal but you have to make sure you click on the hang up icon first to change the settings and then click on the connect icon once they are changed.

Another thing I didn't see mentioned is that it sounds like you are using USB to connect to the kit.  Are you using a USB to Serial adapter?  If so, do you know what chipset is used?  If it is anything other than an FTDI based one then I would suggest replacing it.  I've heard people having problems with odd USB to serial chipsets but i've never had any issues with the FTDI chips.  Those work great!

Good luck,

Robert

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