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 55
63
ERR
00
Reserved
IRQ1 PCI interrupts pending
IRQ1 PCI interrupts pending
Continued on next page
Summary of Contents for AlphaServer ES40
Page 4: ......
Page 16: ......
Page 20: ......
Page 68: ......
Page 104: ......
Page 162: ......
Page 170: ...5 8 Compaq AlphaServer ES40 Service Guide Figure 5 4 FRU List Designator ...
Page 172: ...5 10 Compaq AlphaServer ES40 Service Guide Figure 5 5 Evidence Designator ...
Page 184: ...5 22 Compaq AlphaServer ES40 Service Guide Figure 5 7 Display Error Frames Screen ...
Page 193: ...Error Logs 5 31 Figure 5 14 Deleting an Old Error Frame ...
Page 194: ......
Page 280: ......
Page 310: ...8 30 Compaq AlphaServer ES40 Service Guide Figure 8 14 Aligning DIMM in MMB PK0953a ...
Page 332: ......
Page 336: ......
Page 358: ......
Page 444: ......