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R-59 no-DHCP install must hard-abort (it baked 192.168.100.2 static and completed - a box that can never call home). R-60 first-boot NIC sweep self-heal. R-61 the baked root password must be knowable; a fixed well-known password is explicitly rejected. Positive evidence same-session: R-21 slice C PROVEN on a SECOND, virgin board (HP t740) - and the shim loader booted with Secure Boot ENABLED, retiring the assumption that Felhom installs need SB off. Fresh-box floor lift 0.153.0 -> 0.156.0 during day-0 cited on the publish-train row. ISO README gains the t740 five-NIC trap: the 4-port igb card gets no lease, the onboard r8169 port does.