Duo Dock II and Duo Dock Plus: Detailed Video Support

This article overviews the monitors and bit depths supported by the Duo Dock II and the Duo Dock Plus. The following monitors and resolutions are supported by the Duo Dock II and the Duo Dock Plus WITHOUT an external video adapter.
Monitor
Resolution
Bit Depth
Number of Colors/Gray Scales
Apple 12 Inch Mono
640 x 480
16 bit
NA/256
Apple 12 Inch RGB
384 x 512
16 bit
32,000/256
AppleColor Hi-Res RGB
640 x 480
16 bit
32,000/256
Apple Portrait
640 x 870
16 bit
NA/256
Apple 16 Inch RGB
832 x 624
16 bit
32,000/256
Apple Multiple Scan 15
640 x 480
16 bit
32,000/256
Apple Multiple Scan 17
640 x 480
16 bit
32,000/256
Apple Multiple Scan 17
832 x 624
16 bit
32,000/256
Apple Multiple Scan 17
1024 x 768
8 bit
256/256
Apple Multiple Scan 20
640 x 480
16 bit
32,000/256
Apple Multiple Scan 20
832 x 624
16 bit
32,000/256
Apple Multiple Scan 20
1024 x 768
8 bit
256/256
Apple Multiple Scan 20
1152 x 870
8 bit
256/256
Apple 21 Inch RGB
1152 x 870
8 bit
256/256
VGA
640 x 480
16 bit
32,000/256
SVGA
800 x 600
16 bit
32,000/256

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Note: It is only possible to display 256 levels of gray, even if the bit density is greater than eight.
Published Date: Feb 19, 2012