<p>The resolution of the console. The following values are valid:</p><ul><li><code>"0"</code>: Standard UEFI 80x25 mode</li><li><code>"1"</code>: 80x50 mode, not supported by all devices</li><li><code>"2"</code>: The first non-standard mode provided by the device firmware, if any</li><li><code>"5"</code>: Applicable for SteamDeck where this mode represent horizontal mode</li><li><code>"auto"</code>: Pick a suitable mode automatically using heuristics</li><li><code>"max"</code>: Pick the highest-numbered available mode</li><li><code>"keep"</code>: Keep the mode selected by firmware (the default)</li></ul>

boot.loader.systemd-boot.consoleMode

one of "0", "1", "2", "5", "auto", "max", "keep"