Table D-2 Main Interrupt Logic Irq Pin Assignments - Digital Equipment AlphaStation 500 Series User Information

Table D-2 Main Interrupt Logic IRQ Pin Assignments

5
Output IRQ Interrupt
EV5 0 Int A
IRQ<1> 1 Int B
2 Int C
3 Int D
4 Int A
5 Int B
Int C
6
7 Int D
8 Int A
9 Int B
10 Int C
11 Int D
12
13
15–14
16 Int A
Int B
17
Int C
18
Int D
19
23–20
27-24
30-28
31 EISA_INT
Note: All unmasked IRQ inputs have equal priority.
5
All unmasked IRQ inputs have equal priority.
Usage
(Reference Designator)
I/O Riser Slot 2 – 32-bit
J-4
PCI Slot 11
I/O Riser Slot 1 – 32-bit
J3
PCI Slot 12
I/O Riser Slot 0 – 64-bit
J-1
PCI Slot 7
SCSI Controller, PCI Slot 9
Ethernet Controller, PCI Slot 6
Reserved
I/O Riser Slot 3 – 32-bit
J-5
PCI Slot 8
Interrupt Jumpers, See Table D-4.
•
Module REV
Reserved
8259 INT output
AlphaStation 500 Series User Information D-3
Device Mapping