Field Name             Bits   Default Description
MS_X3                  3:0    0x0     Specifies the x and y position (in subpixels) of
                                      multisample 3
MS_Y3                  7:4    0x0     Specifies the x and y position (in subpixels) of
                                      multisample 3
MS_X4                  11:8   0x0     Specifies the x and y position (in subpixels) of
                                      multisample 4
MS_Y4                  15:12  0x0     Specifies the x and y position (in subpixels) of
                                      multisample 4
MS_X5                  19:16  0x0     Specifies the x and y position (in subpixels) of
                                      multisample 5
MS_Y5                  23:20  0x0     Specifies the x and y position (in subpixels) of
                                      multisample 5
MSBD1                  27:24  0x0     Specifies the minimum distance (in subpixels) between
                                      the pixel edge and the multisamples. This value is used
                                      in the second (quad) scan converter
