Port 0x105 on the ISA-based HT209 is only initialized from port 0x46e8 to avoid conflicts with the IBM PS/1 2011 and 2121's already existing initialization of the ports.

Reworked the Sierra SC1148x and AT&T49x ramdacs to use the RS2 signal when available.
Added the Realtek RTG3106 video card.

src/video/vid_table.c

@@ -103,6 +103,7 @@ video_cards[] = {
     { "plantronics",		&colorplus_device			},
     { "pgc",			&pgc_device				},
 	{ "radius_isa",		&radius_svga_multiview_isa_device			},
+	{ "rtg3106",		&realtek_rtg3106_device			},
     { "sigma400",		&sigma_device				},
     { "px_s3_v7_801_isa",	&s3_v7mirage_86c801_isa_device		},
     { "tvga8900b",		&tvga8900b_device			},