456A8
2.2. Preset Display Modes
H Front Porch
Video
Full
intensity
0.7 V
Blanking 0 V
H Active Video
HSync
HBlanking
Left BorderRight Border
HBackporch
HSync.
Signal
V Front Porch
VBackPorch
Video
Full
intensity
0.7 V
Blanking 0 V
V Active Video
VSync
VBlanking
Bottom Border
Upper Border
VSync.
Signal
Memory
location
-- >
1 2 3 4 5 6 7 8 9 10
Display Mode
Name
NEC
PC9801
NCE300
VGA
NCE200D
VGA TXT
NCE401
VESA
NCE321LP
MAC
NCE306
VESA
NCE501
VESA
NCE406
VESA
NCE010
MAC
NCE502
VESA
H Frequency/
kHz
24.827 31.469 31.469 37.879 35.000 37.500 48.363 46.875 49.800 56.491
H Period/μs 40.278 31.774 31.780 26.400 28.571 26.667 20.677 21.333 20.113 17.702
HActive
Video/μs
30.399 25.420 25.423 20.000 21.164 20.317 15.754 16.162 14.527 13.650
H Resolution 640 640 1440 800 640 640 1024 800 832 1024
H Sync/μs 4.56 3.81 3.814 3.200 2.116 2.032 2.092 1.616 1.117 1.81
HBack
Porch/μs
2.28 1.91 1.907 2.200 3.175 3.810 2.464 3.232 3.911 1.92
V Frequency/
kHz
56.432 59.992 70.087 60.317 66.667 75.000 60.004 75.000 74.565 70.069
V Period/
Lines
440 525 449 628 525 500 806 625 667 806
V Resolution 400 480 400 600 480 480 768 600 624 768
V Sync/Lines 8 2 2 4 3 3 6 3 3 6
VBack
Porch/Lines
25 33 34 23 39 16 29 21 39 29
H sync
Polarity
-- -- -- + -- -- -- + -- --
V sync
Polarity
-- -- + + -- -- -- + -- --
H Front
Porch/μs
3.04 0.64 0.64 1.00 2.12 0.51 0.37 0.32 0.56 0.32
V Front
Porch/Lines
7 10 13 1 3 1 3 1 1 3
Dot
Frequency/
MHz
21.053 25.177 56.640 40.000 30.240 31.500 65.000 49.500 74.565 75.020
Interlacing no no no no no no no no no no