MEM FEE00280h - Pentium + - LOCAL APIC - ERROR STATUS REGISTER Size: DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. Note: read-only Bitfields for Pentium APIC error status register: Bit(s) Description (Table M0120) 0 send checksum error 1 receive checksum error 2 send accept error 3 receive accept error 4 reserved 5 send illegal vector 6 receive illegal vector 7 illegal register address 31-8 reserved