Some people experiencing sync issues attempt to try different connectors. The pins on these three connectors are exactly the same – the are all wired together on the board. The S pin is the same as HS pin on other connectors. 5-individual-pin connector (marked CGA/EGA signal input).The S pin is connected to the HS pin – they are the same. 8-pin white connector (marked 8-pin RGBS input).It conforms to the standard VGA pinout with GND, R, G, B, HS, and VS pins used. On the other hand, there are three input connectors on GBS-8220: CGA output and board inputsĪ CGA video output consists of separate RGB signals, horizontal and vertical frequencies and ground (here facing the connector in a computer). I will describe here how I forced GBS-8220 video scaler to display my Schneider Euro PC CGA screen on a Sony VGA monitor. The problem with them is that they rarely work out of the box. Professional video scalers are very expensive devices, but fortunately there are popular Chinese alternatives, which cost only around 20$. Gotek in an external Amiga drive closureĬonnecting an old PC machine with a CGA video output to a modern VGA monitor requires changing the horizontal display frequency from 15kHz to 30kHz.
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