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

[quote="Green Phantom"]
I just purchased the SX Tech Tool Kit PLUS a week ago and it arrived by mail on Monday.  I just started programming today.  I was trying to download an LED-Flasher SX/B program and this is only my first time.  I only used the two SX chips that arrived in the kit.  I have a sinking feeling I may have to shovel up $500 for a professional universal programmer and do all my programs in assembly language and possibly abandon programming in SX/B code.  Another possibility could be the computer and the 9-pin serial port, although the system hardware management dialogue windows detect no device conflicts.  I sure am off to a very disappointing start.  I tried to program the chip(s) on a breadboard, to no avail.  So the biggest concern for factory defects may be centered on the SX Key.[/quote]If there's a problem with the SX-Key we will take care of it.  That said, we always try to cover the more likely suspects first sicne 9 out of 10 times it's not a hardware defect.  You didn't mention your power supply which is one of the most common problems with programming the SX.  Please post exactly what you're using.  Take care.

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