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#1 2020-11-04 20:28:04

John Johnson
Contributor
Registered: 2020-11-04
Posts: 2

PM3 easy bricked during flash

I have bought PM3 Easy of aliexpress and instantly bricked it by pulling out a wire during flashing. I have tried several things to fix it, which include: connecting BusPirate 3.5 with V6.1 firmware. It showed me error messages like this one:

Info : Buspirate Interface ready!
Info : This adapter doesn't support configurable speed
Error: JTAG scan chain interrogation failed: all ones
Error: Check JTAG interface, timings, target power, etc.
Error: Trying to use configured scan chain anyway...
Error: sam7x.cpu: IR capture error; saw 0x0e not 0x01
Warn : Bypassing JTAG setup events due to errors
Info : Embedded ICE version 0
Error: unknown EmbeddedICE version (comms ctrl: 0x00000000)
Info : sam7x.cpu: hardware has 2 breakpoint/watchpoint units

I followed this guide:
https://scund00r.com/all/rfid/2018/05/18/debrick-proxmark.html

It has mentioned the error I have encountered which is:
Halt timed out, wake up GDB.
timed out while waiting for target halted

The solution from the guide (Switching MISO/MOSI) did not help.

I have also tried connecting pin 55(ERASE) on at91sam7s256 AU to 3.3V for 2 seconds and didn't achieve anything.

Any form of help would be highly appreciated!

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