"A pain to configure" indeed!
I bought my first PC in '94 or '95 for the purpose of running Linux on it.
My roommate and I bought the exact same model, a no name custom build from a local shop, so we could work with each other on figuring it out.
They did not have any video mode lines already written for our monitor model, so we needed to construct them manually.
I remember spending hours with pencil and paper and calculator and the manual for my monitor trying to create an adequate mode line.
And then, when you finally got something close enough to what the monitor would support that you got an image, you had to keep tweaking the numbers and restarting the X server in order to get the image appropriately sized and centered, and avoid it wrapping around one of the edges.
Even all these years later, I still remember with deep fondness how elated I was when I learned about xvidtune.
I also remember the excitement of finding a Windows tool that could generate a mode line from the current video settings in Windows, but I cannot remember the name or find it right now online.
This program is similar, but the initial release date is too late for it to be the one I used.
It was the best of times, it was the worst of times.
Andru