518 * 2 = 1036, so it's running a little slower than rated speed, but that's not uncommon. It looks like it's rated at 2.2v when running at the full 533 MHz. Try running it at 533 with the stock voltage, if you aren't stable then juice it up to 2.2v.
518 * 2 = 1036, so it's running a little slower than rated speed, but that's not uncommon. It looks like it's rated at 2.2v when running at the full 533 MHz. Try running it at 533 with the stock voltage, if you aren't stable then juice it up to 2.2v.