The VGA card in the computer is cabled to the pass-through circuit on the high-res adapter. When high-resolution is not used, the card's driver causes the VGA signals to pass through to the monitor.

An earlier VESA programming interface for Super VGA cards. It provided a way ... A VESA software driver was provided by the card or game vendor. As of VESA BIOS Extension (VBE) 2.0, the driver ...