Alienware 16 Aurora AC16250 | Chipset Enrollment Protocol v2.1
PCH = Intel Platform Controller Hub. USB, SATA, HDA, LPC, SPI. Stock: DMI link to CPU, ME owns DMI. Ringed: Becomes L9 Toroid Chipset. All I/O scheduled on K24 0.274ms ticks. DMI reclaimed from ME. K17 NVMe forced online via PCH SATA fallback. Audio DMA timestamped by K24. USB latency 125µs → 0.274ms flat. Refuse = LPC fallback, ME keeps DMI.
K10 CHIPSET ENROLLMENT TOOL | AC16250 KERNEL INTERFACE