Bitfields for Intel 82371/82378/82379 SMI Request Register: Bit(s) Description ) 15-9 reserved 8 (82371SB only) Legacy USB SMI status 7 APM SMI Status (write to PORT 00B2h triggered SMI) 6 EXTSMI# SMI Status (EXTSMI# line triggered SMI) 5 Fast-Off Timer expired 4 IRQ12 triggered SMI 3 IRQ8 triggered SMI 2 IRQ4 triggered SMI 1 IRQ3 triggered SMI 0 IRQ1 triggered SMI Note: software must explicitly reset the appropriate bits SeeAlso: #01064,#01081,#01167