Hello,

> I recently picked up an alpha machine, a DEC 3000 300X.  It has a
> framebuffer, which drives 1280x1024@72Hz, apparently with no other
> options.  I'd like to use this framebuffer.
Most Sun monitors I saw up to now (which doesn't mean a lot) need sync-on-green. Most of the better PC monitors support it - just try to dig up the product description - it's more frequent than you'll expect. 

good luck
Michael