Something like cdc_acm 1-1.2:1.0: ttyACM0: USB ACM device should appear in syslog or dmesg Your jlink should now be identified as AT91 USB to serial adapter and a COM port should be assigned to it - if this doesn't happen repeat from step 3.Break/remove the TST jumper and reconnect USB.Remove the ERASE jumper and short the TST jumper to pull-high and connect the jlink to usb wait for a minute and disconnect usb.("pull-high", means set a jumper between the ERASE pin and the 3.3V pin next to it.) Short ERASE jumper to pull-high and connect the jlink to usb wait for a minute and disconnect usb.Identify the ERASE (pin 50) / TST (pin 40) jumpers/pins.Open the j-link case by gently popping the plastic edge near the jtag or usb ports.Download and install SAM-BA package from ( ).It's from the same forum than above but without password and without additional useless. To restore the firmware, you need to follow the instruction from The best part ? It works from Linux.įor the step 9, you'll need the binary image to flash use that one V8_Firmware_NoSerial_(crackn).
I just put all the needed info into one single page. If you try to update its firmware with the official Segger tool, you'll brick the probe.ĭon't worry, smart people have already put a checklist to restore a working firmware and even update it to the latest official version. You can buy a Segger JTAG J-Link clone for few USD on ebay, aliexpress, dx.
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