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User Guide V0.90
Troubleshooting Guide
1 Installation problems
• Does your PC meet the minimum PC requirements of this product?
• Do you have a spare PC (serial) COM port?
• Have you connected the serial cable from the PC COM port to the GEMINI-1?
• Have you selected the correct COM port?
• Is the serial port already in use by another application?
• Are you using the correct serial cable as supplied with the programmer?
2 In-system programming (ISP)
• Does the target RESET circuit allow remote control of the RESET line from the Gemini-1?
• Is the target system powered up to the correct voltage (i.e. +5V)?
• Is the target oscillator running?
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