Brom Disabled By Efuse 0x146 -

Technical Report: BROM Disabled by eFuse 0x146

Date: October 26, 2023 Subject: Analysis of Boot ROM (BROM) Disablement via eFuse Configuration 0x146 Status: Informational / Security Advisory

4.1 Verification Steps

  1. Read eFuse dump (if debug interface still alive):
    efuse read 0x146
  2. Check secondary boot path – Some SoCs have a fallback boot from SPI or eMMC user area.
  3. Identify if blown intentionally – Look for manufacturing logs or OTA scripts referencing efuse_program 0x146.

What “BROM disabled by eFuse 0x146” typically means brom disabled by efuse 0x146

4. Implications

4.1. For Security (Intended Consequence)

This is a desired feature for OEMs deploying end-user products. Technical Report: BROM Disabled by eFuse 0x146 Date:

Hardware Issues: In some cases, hardware faults or issues with the device's storage or memory can lead to this error. Read eFuse dump (if debug interface still alive):