We have now moved to GPT to replace MBR disks

http://www.microsoft.com/whdc/device/storage/gpt_faq.mspx#ETEAC

and

http://www.itworld.com/nlswindows070220

Definition of terms according to IBM

http://mbsg.intel.com/mbsg/glossary.aspx#2

AMD VS Intel

Check out the 2 links below

the first is for AMD

http://products.amd.com/en-us/default.aspx

The second is for Intel

http://www.intel.com/products/processor/

A link about the inside of motherboard

The informaiton is a little bit dated but it still applies

http://www.informit.com/articles/printerfriendly.aspx?p=339936