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Only on IBM PC because it essentially always assumed presence of either MDA or CGA, and over time evolved to assume presence of VGA. UEFI does not require at a

by p_l 1y ago

Only on IBM PC because it essentially always assumed presence of either MDA or CGA, and over time evolved to assume presence of VGA. UEFI does not require at all and supports and UI framework to enable work in both graphical and textual (with so-called VT-UTF8) mode.