Symbol: SBP_IRQ_MPU401
sys/dev/isa/sbdsp.c
1342
if ((irq & (SBP_IRQ_DMA8 | SBP_IRQ_DMA16 | SBP_IRQ_MPU401)) == 0) {
sys/dev/isa/sbdsp.c
1367
if ((irq & SBP_IRQ_MPU401) && sc->sc_hasmpu) {