Настроил config.sys. Нигде не ошибся?⁠⁠

numlock = off

break = on

dos = high,umb

country = 7,,c:\dos\country.sys

files = 40

device = c:\dos\himem.sys

device = c:\dos\emm386.exe ram i=b000-b7ff

shell = command.com /p /e:512