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| H A D | Makefile | diff 7ed3228323ef4f9e3130603ea68c3be9c2ed50ce Fri Aug 26 23:47:21 CEST 2022 Warner Losh <imp@FreeBSD.org> stand: Document that boot0 uses BIOS
And thus has a limited range of supported baud rates. Also add that
setting BOOT_BOOT0_COMCONSOLE_SPEED=0 will leave it unchanged which
sometimes can give you 115200 if the BIOS initialized things outside of
the normal BIOS baud rates (which many x86 enbedded-targetted boards
do).
Sponsored by: Netflix
Reviewed by: emaste, manu (earlier versions)
Suggestions by: jhb
Differential Revision: https://reviews.freebsd.org/D36300
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