# dpkg-reconfigure console-setup

        Generic 102-key (Intl) PC
        Russia
        Все остальное по умолчанию кроме character set KOI8-R

[gate:~] # cat /etc/rc.conf
...
font8x16="cp866-8x16"
scrnmap="koi8-r2cp866"
keymap="ru.koi8-r"

[gate:~] # /etc/rc.d/syscons restart

[gate:~] # diff /etc/ttys
35c35
< ttyv0 "/usr/libexec/getty Pc"         cons25  on  secure
---
> ttyv0 "/usr/libexec/getty Pc"         cons25r on  secure

[gate:~] # kill -1 1