44 Chapter6Reference

VESA DPM (Video Electronics Standards Association - Display Power

Management)

VESA specications achieve increased energy efciency for computer mon itors. This involves
standardization of signals sent from the computer (g raphics board).
DPM denes the status of signals transmitt ed between the computer and monitor.
6-7. Preset Timing
The following table shows factory preset analog signal timing:
Attention
• Display position may be dev iated depending on the PC con nected, which may require scree n adjustment using
Adjustment menu.
• If a signal othe r than those listed in the table is i nput, adjust the screen using the Adjus tment menu. However, screen
display may still be incorrect even af ter the adjustment.
• When int erlace signals are used, the sc reen cannot be displayed correc tly even after screen adjustment u sing the
Adjustment menu.
Resolution Applicable
Signals
Frequency Polarity
Dot Clock:
MHz
Horizontal:
kHz Vertical: Hz Horizontal Vertical
640×480 VGA 25.18 31.47 59.94 Negative Negative
720×400 VGATEXT 28.32 31.47 70.09 Negative Positive
640×480 VESA 31.50 37.86 72.81 Negative Negative
640×480 VESA 31.50 37.50 75.00 Negative Negative
800×600 VESA 36.00 35.16 56.25 Positive Positive
800×600 VESA 40.00 37.88 60.32 Positive Positive
800×600 VESA 50.00 48.08 72.19 Positive Positive
800×600 VESA 49.50 46.88 75.00 Positive Positive
1024×768 VESA 65.00 48.36 60.00 Negative Negative
1024×768 VESA 75.00 56.48 70.07 Negative Negative
1024×768 VESA 78.75 60.02 75.03 Positive Positive
1152×864 VESA 108.00 67.50 75.0 0 Posit ive Positive
1280×720 CEA-861 74.25 45.00 60.00 Positive Positive
1280×960 VESA 108.00 60.00 60.00 Positive Positive
1280×1024 VESA 108.0 0 63.98 60.02 Positive Positive
1280×1024 VESA 135.0 0 79.98 75.03 Positive Positive
1680×1050 VESACVT 146.25 65.29 59.95 Negative Positive
1680×1050 VESACVTRB 119.00 64.67 59.88 Positive Negative
1920×1080 CEA-861 148.50 67.50 60.00 Positive Positive