MEM FEE000F0h - Pentium + - LOCAL APIC - SPURIOUS INTERRUPT VECTOR REGISTER Size: DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. Bitfields for Local APIC Spurious Interrupt Vector register: Bit(s) Description (Table M0126) 63-10 reserved 9 disable focus processor checking during lowest-priority delivery 8 APIC enabled by software 7-4 spurious vector number 3-0 reserved (1)