When executed from DOS by means of INT 19h and NT MBR it complains that there is not enough free conventional memory. This shows that somebody though that it i

When executed from DOS by means of INT 19h and NT MBR it complains that there is not enough free conventional memory. This shows that somebody though that it is good idea to write ntldr as valid DOS program, that actually cares about the state of DOS on which it runs. (ntldr actually is concetanition of 16b MZ EXE and two COFF images, ie. something that DOS is perfectly willing to load and execute)