> OpenBSD doesn't use ACPI to find an isa UART, it only looks in the fixed > locations compiled in to the kernel.
Ok, I see that "com.c" does it by reading register, it even has comment "Probe for all known forms of UART" > For a system console (with access to DDB etc.) you need a "standard" com port. Do you mean I can use "com", but not "ucom(4)", right? Thank you, Ilya.