Tim,
I am running Crucial Ballistix memory in my 775Dual-VSTA with an Allendale 4300 at timings of 2-2-2-8 1T just fine. All I had to do was set the memory to be DDR400, turn off flexible mode, set 1T timing, and set the FSB at 266MHz. It has been totally stable and runs beautifully. By...