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Cisco Business 350 Series freezes when it starts

William ECG
Level 1
Level 1

Hello community.

When I turn on the switch, it freezes.
The reset button doesn't work.

By using the serial port I get the following output:

BootROM 1.41
Booting from SPI flash

General initialization - Version: 1.0.0
Serdes initialization - Version: 1.0.2
mvCtrlPexPolaritySet: TWSI Write skipped, leaving PEX polarity in EP mode
PEX: pexIdx 0, detected no link
DDR3 Training Sequence - Ver TIP-1.57.0
mvSysEnvGetTopologyUpdateInfo: skipped Twsi read to enable DDR ECC update
DDR3 Training Sequence - Switching XBAR Window to FastPath Window
DDR3 Training Sequence - Ended Successfully
BootROM: Image checksum verification PASSED

Msys Booton: Sep 7 2021 00:40:16 ver 3.1.6
Secure Boot: ON

Press x to choose XMODEM...
Booting from NAND flash
Secure Boot: Verify U-Boot secure imageSecure Boot: getBootonSecureHeader
image sha256: 7E6349D8845BD171B1664CE1F1AD49D635EAE94EFC7DF4C424FAA2834B8AFF0C
Verify secure U-Boot (1-1) pass

Running UBOOT...

U-Boot 2013.01 (Feb 13 2023 - 01:10:46) Version: armada-17.06.6 V3.2.1.22

NAND ID = 0xDA01
NAND Model = Cypress/Spansion 2Gb 8bit S34ML02G2
EZ1K secure board
CBS350-24T-4G
FPGA Version: 34.25

uboot sha256 calculated by booton: 7E6349D8845BD171B1664CE1F1AD49D635EAE94EFC7DF4C424FAA2834B8AFF0C
Loading active image ...
image sha256: 509DD7D7CB484E70F4E90351FBD768F1B489D4F90F971F2DF38ED5A83E82C6B9

When using the serial port I get the following output:

I tried to upload a new firmware by the xmodem protocol but it didn't work.

Does anybody have any ideas about what can be done to repair it or any resources to solve the problem.

 

3 Replies 3

balaji.bandi
Hall of Fame
Hall of Fame

Try holding the reset button 30 seconds and see if that reset to factory.

BB

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