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1) find a way to free up one of those ports by disconnecting something
2) find another terminal program that will let you send binary files to ports greater than
COM4
3) reassign your programmer to an “in use” port that you know nothing is currently
connected to.
Note that if you choose option 3, you might run into problems in the future if you ever
simultaneously connect your programmer and the other device that is configured to use
that port. Once you have chosen your new port, click OK on both the Advanced and
Properties windows and close the Computer Management window. If you re-open Computer
Management window, you should see your serial adapter mapped to your newly selected
port.
8.b. Uploading the New Firmware
Pololu Orangutan USB Programmer User's Guide
© 2001–2010 Pololu Corporation
8. Updating Your Programmer's Firmware
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