Little Board/P5x Technical Manual
3–9
Table 3– 5. Supported CRT Video Modes—Extended Resolution
Mode Display
Mode Colors Text Font Pixels Clock
(MHz) Horiz
(KHz) Vert
(Hz) Mem. CRT
20 4-bit Linear 16 80x30 8x16 640x480 25.175 31. 5 60 512K a, b, c
22 4-bit Linear 16 100x37 8x16 800x600 40.000 37.5 60 512K b,c
24 4-bit Linear 16 128x48 8x16 1024x768 65.000 48.5 60 512K c
24I 44.900 35.5 43 512K b,c
30 8-bit Linear 256 80x30 8x16 640x480 25.175 31.5 60 512K a,b,c
32 8-bit Linear 256 100x37 8x16 800x600 40.000 37.5 60 512K b,c
34 8-bit Linear 256 128x48 8x16 1024x768 65.000 48.5 60 1M c
34I 44.900 35.5 43 1M b,c
40 15-bit Linear 32K 80x30 8x16 640x480 50.350 31.5 60 1M a,b,c
41 16-bit Linear 64K 80x30 8x16 640x480 50.350 31.5 60 1M a,b,c
50 24-bit Linear 16M 80x30 8x16 640x480 65.000 27.1 51.6 1M b,c
60 Text 16 132x25 8x16 1056x400 40.000 30.5 68 256K a,b,c
61 Text 16 132x50 8x16 1056x400 40.000 30.5 68 256K a,b,c
6A,70 P lanar 16 100x37 8x16 800x600 40.000 38.0 60 256K b,c
72,75 Planar 16 128x48 8x16 1024x768 65.000 48.5 60 512K c
72I,75I 44.900 35.5 43 512K b,c
78 Packed Pixel 16 80x25 8x16 640x400 25.175 31.5 70 256K a,b,c
79 Packed Pixel 256 80x30 8x16 640x480 25.175 31.5 60 512K a,b,c
7C Packed Pixel 256 100x37 8x16 800x600 40.000 37.5 60 512K b,c
7E Packed Pixel 256 128x48 8x16 1024x768 65.000 48.5 60 1M c
7EI 44.900 35.5 43 1M b,c
(The “I” in the Mode # column indicates “Interlaced.”)