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#138 EEPROM header J7 may be unnecessary

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opened 3 years ago by Michael Schloh von Bennewitz · 1 comments
Michael Schloh von Bennewitz commented 3 years ago

EEPROM header J7 may be unnecessary

Problem environment

Considering the rich toolset available in new Raspberry Pi hosts and the Raspberry Pi OS, it's probably no needed to populate a EEPROM header for use with a serial programmer.

Steps to reproduce

  1. Refer to the schematic
  2. Locate the header J7

Expected result

The J7 header is needed to program the EEPROM U6/U7.

Actual result

It is unknown how useful or necessary the J7 header would be.

Severity level

This is low priority because even if the header is unnecessary it may help during research work.

# EEPROM header J7 may be unnecessary ## Problem environment Considering the rich toolset available in new Raspberry Pi hosts and the Raspberry Pi OS, it's probably no needed to populate a EEPROM header for use with a serial programmer. ## Steps to reproduce 1. Refer to the schematic 1. Locate the header J7 ## Expected result The J7 header is needed to program the EEPROM U6/U7. ## Actual result It is unknown how useful or necessary the J7 header would be. ## Severity level This is **low priority** because even if the header is unnecessary it may help during research work.
Michael Schloh von Bennewitz added the
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Michael Schloh von Bennewitz added this to the Advanced etching and assembly milestone 3 years ago
Michael Schloh von Bennewitz commented 3 years ago
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The J7 connector is needed to disable the write protect feature of common EEPROM devices, as illustrated from EEPROM structure work of 4f9180b.

The J7 connector is needed to disable the write protect feature of common EEPROM devices, as illustrated from EEPROM structure work of 4f9180b.
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#136 EEPROM is delivered in empty state
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