J5C2

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J5C2
J5C2.PNG
J5C2
Type Beta/Retail
Purpose GPU SPI EEPROM Header
Rarity Common


History

J5C2 was first present on Beta development kits with motherboard versions as early as 007. The port is present on retail configurations but the port is empty (along with the GPU EEPROM).

Hardware

J5C2 is a 6-pin debug header that is used to provide a Serial Programmable Interface (SPI) for the GPU EEPROM U4C1.[1]

Pinout

Pin Name Direction
1 GPU_SPI_CLK_R IN
2 GPU_SPI_SI IN
3 GPU_SPI_SO_R IN
4 GPU_SPI_WP_N IN
5 GPU_SPI_CS_N_R IN
6 GND GND

[1] [2]

References

  1. 1.0 1.1 XENON_FABK Schematics, Microsoft, 24 August 2005
  2. Xbox 360 Motherboard Headers and Connectors, Speedy22, Version 1.4

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