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A comment on Game Over We Have Obtained Fully Functional JTAG for Intel CSME via USB DCI. Parent comment

Re:Game Over We Have Obtained Fully Functional JTAG for Inte... by ericseppanen on Thursday November 09, 2017 @03:02PM (#15665411)
It's common to be able to run a remote debugger via JTAG, allowing the system to run normally, set breakpoints, examine memory, etc.

Even though it's run over the same wires, it's a separate protocol from the hardware JTAG probe you describe.

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