Abstract: There is disclosed, for use in an x86-compatible processor, a translation look-aside buffer (TLB) that stores region configuration bits (or attribute bits) associated with each physical address stored in the TLB and that makes the region configuration bits available at the same time that the physical address is generated/translated by the TLB. The TLB comprises: 1) a tag array capable of storing an untranslated address in one of N tag entries in the tag array; 2) a data array capable of storing a translated physical address corresponding to the untranslated address in one of N data entries in the data array; and 3) a region configuration array capable of storing region configuration bits associated with the translated physical address in one of N region configuration entries in the region configuration array.