Old-school Macintosh-to-VGA adapter. Just solve for X ... Whereas the VGA standard defines the RGB signals along with a VSYNC and HSYNC signal, the Apple version can generate HSYNC, VSYC, but ...

One of the delights of the boring pre-VGA era is that ... graphic card to output RGB signals via its male DB15 connector. DEC Rainbow 100 to Princeton Ultrasync adapter. With strain-relief zip ...