Debug Connector; Figure 4 - Express-Vr7 And Debug Module - ADLINK Technology AMD COM Express Express-VR7 User Manual

Express-VR7 User's Guide

5.1. Debug Connector

This connector is particular useful during carrier design and bring up phase. It offers access to the following critical parts of the module:
 Test points measurement of internal power rails
 I2C bus for BIOS POST code readout
 SPI BIOS programming interface
 Embedded Controller programming interface
The debug board for Express-VR7 usage is DB40-HPC
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Figure 4 – Express-VR7 and Debug Module
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