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/freebsd-10.2-release/share/man/man4/
H A Dsio.4diff 128781 Fri Apr 30 21:16:52 MDT 2004 ambrisko Some enhancements and bug fix.
- Define option FORCECONSPEED to force the serial console to
be CONSPEED. I've run into a lot of boards in which
the detect for prior speed doesn't work and ends up with
broken console since it is at the wrong speed.
- If a serial port is marked as a console, but console=vidconsole
and if the serial ports doesn't exist it will be probed and
attached at a 8250 chip. Then writes to that will freeze the
system.
- Add an option flags 0x400000 to mark this as a potential
comconsole in-case the one flaged with 0x10 does not exist
in the system.

This makes it easier to deploy on systems with one or two serial ports.

Obtained from: IronPort
/freebsd-10.2-release/sys/dev/sio/
H A Dsio.cdiff 128781 Fri Apr 30 21:16:52 MDT 2004 ambrisko Some enhancements and bug fix.
- Define option FORCECONSPEED to force the serial console to
be CONSPEED. I've run into a lot of boards in which
the detect for prior speed doesn't work and ends up with
broken console since it is at the wrong speed.
- If a serial port is marked as a console, but console=vidconsole
and if the serial ports doesn't exist it will be probed and
attached at a 8250 chip. Then writes to that will freeze the
system.
- Add an option flags 0x400000 to mark this as a potential
comconsole in-case the one flaged with 0x10 does not exist
in the system.

This makes it easier to deploy on systems with one or two serial ports.

Obtained from: IronPort
/freebsd-10.2-release/sys/conf/
H A Doptionsdiff 128781 Fri Apr 30 21:16:52 MDT 2004 ambrisko Some enhancements and bug fix.
- Define option FORCECONSPEED to force the serial console to
be CONSPEED. I've run into a lot of boards in which
the detect for prior speed doesn't work and ends up with
broken console since it is at the wrong speed.
- If a serial port is marked as a console, but console=vidconsole
and if the serial ports doesn't exist it will be probed and
attached at a 8250 chip. Then writes to that will freeze the
system.
- Add an option flags 0x400000 to mark this as a potential
comconsole in-case the one flaged with 0x10 does not exist
in the system.

This makes it easier to deploy on systems with one or two serial ports.

Obtained from: IronPort
H A DNOTESdiff 128781 Fri Apr 30 21:16:52 MDT 2004 ambrisko Some enhancements and bug fix.
- Define option FORCECONSPEED to force the serial console to
be CONSPEED. I've run into a lot of boards in which
the detect for prior speed doesn't work and ends up with
broken console since it is at the wrong speed.
- If a serial port is marked as a console, but console=vidconsole
and if the serial ports doesn't exist it will be probed and
attached at a 8250 chip. Then writes to that will freeze the
system.
- Add an option flags 0x400000 to mark this as a potential
comconsole in-case the one flaged with 0x10 does not exist
in the system.

This makes it easier to deploy on systems with one or two serial ports.

Obtained from: IronPort

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