Esp8266 Flash Tool For Mac

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Hi, could someone that knows please explain what EFUSE setting are?


I have 2 modules that always Boot-Loop-Exception(0) forever.
MacAre these parts recoverable or are they doomed?

Mac OS X and Linux For linux and OS X users you can flash the esp8266 with the python esp tool available from git hub. The pre compiled binaries for esp8266 basic are available from ​the git hub under the flasher/build directory. Esp8266 Firmware Update: The ESP8266 module is a cheap Wireless module.It has SOC(system on chip) that is capable of providing wifi to any micro controller/microprocessor.There are two ways the esp8266 can be used.Standalone esp8266 Esp8266 with raspberry pi or arduino.

Esp8266 flash tool mac
When I use the Download Flasher V2.4 it shows the following.
ESP8266 #1
bit[1:0] error
CRC IN MODE1:
crc_val_res: 100
target crc val: 100
CRC IN MODE1:
crc_val_res: 233
target crc val: 233
efuse warning found...
EFUSE LOG:
REG0:D4E90001

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REG1:4200D107
REG2:6400b000
REG3:005CCF7F
EFUSE NORMAL MODE
EFUSE VAL ERROR...
EFUSE VAL WARNING...
ESP8266 #2
bit79:76 error
bit[1:0] error
bit[59:56] error

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CRC IN MODE1:
crc_val_res: 248
Flashtarget crc val: 163
bit[47:24] crc warning
efuse warning found...
EFUSE LOG:
REG0:FFA300FF
REG1:FFEFD7F0
REG2:feffffff

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REG3:07FFFFFF
EFUSE NORMAL MODE
EFUSE VAL ERROR...

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EFUSE VAL WARNING...