Back to the Gigabyte MA790FX-DS5, the Phenom x4 9850, and 1066 RAM for a moment. I have had my system for almost a month. Yet to get any real use out of it.

It passed diagnostics but the PC was not stable from day 1. Ready boost was immediately jettisoned. Power supply was temporarily exchanged with a larger unit from another pc -- no difference. Found the 1066 settings in the bios too limiting for anything other than automatic with unganged 4 modules, which was subpar compared to the memory specs (memory vendor gave up – now there is a notation on some memory sites that 1066 memory support is limited to one channel – shouldn’t unganged get around this?). Processor died a slow death over 2 weeks, finally registering error on diagnostic tests – exchanged . Have also had some other crazy problems. Now I have it so it only crashes every couple of days. I have to remove the battery to get it to restart after it freezes. Gigabyte had me test it with a “supported” processor. I will likely exchange the motherboard and reload the OS.

I have done some tests with overclocking the CPU and graphics, but I must get it stable first. I think most of the difficulties in this thread are due to multiple issues, which definitely includes the bios.
*** I was told by gigabyte earlier today that a bios update to support phenom 9850 could be released in a week or two.

>>> What 1066 memory do people have working in a stable system using 4 modules? Is anyone getting full memory spec speeds?

P.S.: My failed processor was not overvolted. It did run 10 degrees Celsius hotter than the replacement. My system temps are in the 30’s.