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Vga interface specifications are the same, are 15-pin,
The only difference between the main core in the above, there are
three, respectively, 3 +4 .3 +6 .3 +9.
What does it mean, that is, the number of cores is different.
Core and more, the transmission of data will be more stable, the longer
the distance, the higher the cost.
3 + 9 is better than 3 + 4 with 3 + 6 is able to automatically detect
the resolution with the resolution device.
So why there are 8 yuan vga line, there are 30 yuan vga line
Vga interface knowledge
The information processed by the graphics card will eventually be
output to the display, the graphics output interface is the bridge
between the computer and the display, which is responsible for the
output of the corresponding image to the monitor signal. CRT display
because of design and manufacturing reasons, can only accept analog
signal input, which requires the graphics card can output analog
signals. VGA interface is the graphics card output analog signal
interface, VGA (Video Graphics Array) interface, also known as D-Sub
interface. Although the liquid crystal display can directly receive
digital signals, but many low-end products in order to match the VGA
interface graphics card, which uses VGA interface.
Vga line connection diagram
VGA cable connection is very simple, one access to the computer's VGA
output port, the other end access to the monitor VGA input interface
can be, and finally for everyone with VGA interface internal pin
solution map
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