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by m463 2085 days ago
It's funny, but I bought a dell monitor and I downloaded the manuals.

One of them was an unexpected white paper, which contained this statement:

  Statement of Volatility – Dell U3219Q Monitor

  The purpose of this document is to certify that the Dell
  U3219Q monitor will not save, retain, or reproduce a signal
  to any internal or external component after power has been
  removed and reapplied to the unit.

  The Dell U3219Q monitor contains both volatile and
  non-volatile (NV) memory ICs. Volatile memory(s) lose their
  data immediately upon removal of power. Non-volatile memory
  ICs continue to retain their data even after the power has
  been removed. However, no input video data is written into
  these memory ICs during operation.

  List below contains volatile and non volatile memory ICs
  used in the Dell U3219Q monitor."
Then it had a table for each storage chip within the monitor with its purpose and characteristics including:

  - system eeprom
  - hdmi edid eeprom
  - system flash rom 
  - usb hub eeprom
  - pd controller flash rom