Specifications
CHAPTER 3
I/O Features
38 Video Timing Parameters
Table 3-13 lists the timing parameters for SVGA monitors running at 60 and 72 frames
per second and for the 16-inch color monitor.
Table 3-13 Video timing parameters for larger monitors
Monitor type and dimensions
Parameter
SVGA (800 by 600
at 60 frames
per second)
SVGA (800 by 600
at 72 frames
per second)
16-inch color
(832-by-624)
Dot clock 40.00 MHz 50.00 MHz 57.2832 MHz
Dot time 25.00 ns 20.00 ns 17.46 ns
Line rate 37.88 kHz 48.08 kHz 49.725 kHz
Line time 26.4 µs
(1056 dots)
20.80 µs
(1040 dots)
20.11 µs
(1152 dots)
Horizontal active video 800 dots 800 dots 832 dots
Horizontal blanking 256 dots 240 dots 320 dots
Horizontal front porch 40 dots 56 dots 32 dots
Horizontal sync pulse 128 dots 120 dots 64 dots
Horizontal back porch 88 dots 64 dots 224 dots
Frame rate 60.31 Hz 72.18 Hz 74.55 Hz
Frame time 16.58 ms
(628 lines)
13.85 ms
(666 lines)
13.41 ms
(667 lines)
Vertical active video 600 lines 600 lines 624 lines
Vertical blanking 28 lines 66 lines 43 lines
Vertical front porch 1 line 37 lines 1 line
Vertical sync pulse 4 lines 6 lines 3 lines
Vertical back porch 23 lines 23 lines 39 lines