my i7 win7 64bit ati5850 6gb ddr3 2ghz system started a new game on a custom map, found myself NEXT to ai player had to moveseveral tiles away before founding kingdom
pic of start

then used view all map cheat ram in use was about 220mb.
played approx 60 turns OOM error, same computer different map(mega) no map cheat ~290 turns
zip of dbg,err saves & dxdiags
harpo