3DFX Voodoo 3 running at 1080p has a black vertical bar at the left side of the display.
This happens regardless of whether connected directly to the display or using VGA to HDMI adapter.
Go to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\Display\0000\TIMINGS
(on win9x)
or search registry for TIMINGS on win2k, it appears in several places