COM-HPC-ALT User’s Guide PICMG COM-HPC R1.0
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5.1 Debug Connector (40-pin 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 for measurement of internal power rails
• SPI BIOS programming interface
• I2C bus for BIOS POST code readout
• BMC programming interface