This machine predates the T2 Security Chip. A non-Mac system won't be
obstructed.
... P.
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VoIP: +1 778 508 0020 <= new & working
VoIP: +1 604 xxx 0140 <= out of service
mobile: +1 778 951 5147 <= still working
projects: en.wikibooks.org/wiki/User:PeterEasthope