Posted 4/8/2008 20:54 (#353059 - in reply to #352997) Subject: RE: Updating ez-steer firmware for ez-guide 250 with usb
The updated firmware is loaded into the EZ Steer controller. I believe I used a straight serial cable to update mine that I got from Radio Shack. If needed you can also purchase a null modem adapter from Radio Shack if a null modem cable is needed. That way you can get the correct ends.