Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//usr/lib/grub/i386-pc/terminal.lst

 iat_keyboard: at_keyboard
iserial: serial
iserial_*: serial
oaudio: morse
ocbmemc: cbmemc
ogfxterm: gfxterm
omda_text: mda_text
oserial: serial
oserial_*: serial
ospkmodem: spkmodem
ovga_text: vga_text