The problem seemed to be caused by MacOS 9.1. After installing a bare
MacOS 8.5 install and applying the patch, the monitor correctly syncs
every time. I guess 9.1 was erasing the nvramrc on boot, for some reason.

On Mon, 17 Jan 2005, Tim Kelly wrote:

> I've got two 7300's and neither will sync, even with the patch applied. My
> 7600 syncs flawlessly. The best my 7300s will do is alternating white and
> black columns. I generally run them headless.
>
> tim