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  1. I've created the device file and put in the designated folder, but I am still getting the Error - Unable to connect to SPI device To communicate with the device, should I connect the programming cable (JTAG-HS1) to the JTAG pins or to the SPI pins of the device? Although I've tried both sets of pins but still not able. Any advice? Thanks!
  2. How should I run the device file with AVR programmer.exe?
  3. That sounds challenging and probably result more uncertainties. Regards
  4. I have the JTAG-HS1 Rev.A cable, installed the AVR Programmer, connect pins (SCK, MOSI, MISO, /RESET, VCC, GND) of chip Atmel ATMEGA128 to cable. Manually entered the device settings and tried to read the Fuses/Lock Bits. But message prompted Creating SPI communication interface Connecting Entering programming mode Failed in high speed mode, trying low speed mode **Error - Unable to place device into programming mode Is the problem due to cable driver (Device Manager reflects USB Serial Converter A & or the chip?