Compaq AlphaServer ES40 - 21272-CA Cchip CPU Device Interrupt Request Register (Dirn

Registers D-29
D.12 21272-CA Cchip CPU Device Interrupt Request
Register (DIRn, n=0,1,2,3)
These registers indicate which interrupts are pending to the CPUs and
indicate the presence of an I/O error condition.
Address 801 A000 0280 CPU0
801 A000 02C0CPU1
801 A000 0680 CPU2
801 A000 06C0 CPU3
Access RO
32
0
PK1418-99
31
58 57 56 5563
ERR
00
Reserved
IRQ1 PCI interrupts pending
IRQ1 PCI interrupts pending
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