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Chapter 8 on a real Ubuntu 24.04 workstation with a real IPMI 2.0 controller: boot options are eight numbered parameters rather than one setting, and this firmware implements two of them. Read the ones that answer, capture the refusals from the ones that do not, learn what chassis bootdev writes from its own error, prove at the raw command level that the gap is the firmware, watch the machine choose a boot device on its own console, read a genuine Dell boot flags decode field by field, and write the procedure and the report a change request needs when the equipment cannot do what was asked.