:D Don't beat me if You all already know this - but I just made a quick test with exactly the same settings in BIOS, first time with 266 strap and second time with 333 strap.
266 strap:
http://img134.imageshack.us/img134/6523/266straplp9.jpg
333 strap:
http://img134.imageshack.us/img134/4021/333strapwe7.jpg
As You can see memory read & latency is much better on 266 strap.
:up: