Those specs weren't readily available to non-experts, never mind what to do with them. For a trip down memory lane, read through the XFree86 Video Timings HOWT

Those specs weren't readily available to non-experts, never mind what to do with them. For a trip down memory lane, read through the XFree86 Video Timings HOWTO (https://tldp.org/HOWTO/XFree86-Video-Timings-HOWTO/index.html https://tldp.org/HOWTO/XFree86-Video-Timings-HOWTO/index.htm...). Getting stuff to work in the Good Old Days was _not_ easy.