Availability RGB CGA EGA to VGA Video Converter Board x 4 Lot of four assorted video signal converter boards $50.00 Qty: Add to cart Email a friend Question about product? Add to wishlist Details Lot of four, used circuit boards used to convert RGB CGA / EGA video signals to a VGA signal. These are used boards, we've did test them and they work fine. There are four in all, looks to be a couple a different versions of the board all similar in design. See photos for more details.