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Lpc Diagnostics (V0.1)


barnito
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On 1/4/2021 at 4:05 PM, Supa said:

On a side note, if anyone can help me track down the checkpoints for pins 13-16, I'd be happy to update this.

Pin 13 goes to the I2C/SMBus SCL - serial data clock line - and pin 14 to the I2C/SMBus SDA - serial data line.  These are found at several different locations on the motherboard - the configuration EEPROM (AT24C02) pin 6 (SCL) and pin 5 (SDA), the ADM1032 temperature sensor of v1.0-1.4 consoles at pin 8 (SCL) and pin 7 (SDA) or somewhere on the MPCX chip.

AT24Cxx serial EEPROM datasheet 

ADM1032 dual temp sensor datasheet

Pin 15 is simply tied to the 3.3Vdc power plane of the motherboard.

I believe pin 16 SERIRQ is only available on v1.0 motherboards if at all on any Xbox motherboard.

https://xboxdevwiki.net/LPC_Debug_Port

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