Sorry again :) sam0r is still correct. I think I missed this ...
You can actually check the L! cache in Datasheet 5400 Series:
http://download.intel.com/design/xeon/datashts/318589.pdf(Check on page 10)
Similarly, you can find for all 5000 series:
http://www.intel.com/products/processor/xeon5000/documentation.htm#datasheetsRest Tec docs for all Intel processors here:
http://support.intel.com/support/processors/sb/CS-028967.htmThanks