NEC MT 820 - Manual (Page 41)

Timing Chart
Y/N Signal Resolution Refresh F.H. Dot
Rate (Hz) (kHz) Clk(MHz)
Y NTSC 640
ן480
60 15.734 -
Y PAL 768
ן576
50 15.625 -
Y SECAM 768
ן576
50 15.625 -
Y VESA 640 ן350 85.08 37.86 31.5
Y IBM 640
ן400
70 31.47 25.175
Y VESA 640 ן400 85.08 37.86 31.5
Y MAC 640
ן400
66 35 30.24
Y VESA 640 ן480 59.94 31.47 25.175
Y IBM 640
ן480
60 31.47 25.175
Y MAC 640
ן480
60 31.47 25.175
Y MAC 640
ן480
66.7 34.97 31.334
Y MAC 640
ן480
66.67 35 30.24
Y VESA 640
ן480
72.81 37.86 31.5
Y VESA 640
ן480
75 37.5 31.5
Y IBM 640 ן480 75 39.375 31.49
Y VESA 640
ן480
85.01 43.269 36
Y IBM 720 ן350 70.09 31.469 28.322
Y IBM 720
ן400
70.09 31.4469 28.322
Y VESA 720 ן400 85.04 37.927 40
Y IBM 720
ן350
87.85 39.44 35.5
Y IBM 720
ן400
87.7 39.375 35.5
Y VESA 800
ן600
56.25 35.16 36
Y VESA 800
ן600
60.32 37.879 40
Y VESA 800 ן600 72.19 48.077 50
Y VESA 800
ן600
75 46.88 49.5
Y VESA 800 ן600 85.06 53.674 56.25
Y MAC 832
ן624
74.55 49.725 57.283
N VESA 1024 ן768 43interlace 35.5 44.9
Y VESA 1024
ן768
60 48.363 65
Y VESA 1024
ן768
70.07 57.476 75
Y IBM 1024
ן768
72.03 58.131 79
Y MAC 1024
ן768
74.93 60.241 80
Y VESA 1024
ן768
75.03 60.023 78.75
Y VESA 1024
ן768
85 68.677 94.5
Y SGI 1024
ן768
60.4 49.7 70
# MAC 1152
ן870
75.6 68.7 100
# SUN 1152 ן900 69.95 61.769 92.94
# SGI 1152
ן900
76.05 71.736 105.6
# SGI 1280 ן1024 60 63.9 107.35
# VESA 1280
ן1024
60.04 64.286 108
# MAC 1280 ן1024 69.89 74.882 118.5
# HP 1280
ן1024
72.01 78.125 135
# VESA 1280
ן1024
75.03 79.976 135
# SUN 1280
ן1024
76.11 81.13 135
SPECIFICATIONS
79
80
# 1152
ן870, # 1152ן900 and # 1280ן1024 im-
ages are compressed on MT1020.
NOTE: The signals indicated by shaded area are
not supported by MT820.
# 1024
ן768 and 832ן624 images are com-
pressed into 800
ן600 on MT820.