MDave, you were right, Im re-testing with bank-interleave ON. Working fine.

Also dropping Vcore as low as I can go, so far down from 1.64Vcore to 1.52Vcore and still 3D/Prime stable. 32M SuperPi is 26m54sec with 2T on 2Gigs of ram, 250Mhz x11 1:1. Searching for the sweet spot of lowest stable Vcore at these tight settings.

The Sandiego is truly amazing, and it's mind blinwing how well these $208 2Gigs of ram are working