Table 5-3. Pib Pci/Isa Interrupt Assignments - Motorola MVME2600 Series Reference Manual

Programming Details
ISA
PRI
IRQ
5
1 IRQ0
2 IRQ1
3-10 IRQ2
3 IRQ8_
4 IRQ9
5 IRQ10
6 IRQ11
7 IRQ12
8 IRQ13
9 IRQ14
10 IRQ15
11 IRQ3
12 IRQ4
13 IRQ5
14 IRQ6
15 IRQ7
5-6
The assignments of the PCI and ISA interrupts supported by the PIB are as
follows:

Table 5-3. PIB PCI/ISA Interrupt Assignments

PCI Edge/
IRQ Level
INT1 Edge
Edge
Edge
INT2 Edge
Level
PIRQ0_ Level
PIRQ1_ Level
Edge
Edge
PIRQ2_ Level
PIRQ3_ Level
INT1 Edge
Edge
Level
Edge
Edge
Interrupt Source
High Timer 1 / Counter 0
High Keyboard
High Cascade Interrupt from INT2
Low ABORT Switch Interrupt
High Z8536 CIO
Z85230 ESCC
Low PCI-Ethernet Interrupt
Low Universe Interrupt (LINT0#)
High Mouse
High Not Used
Low PCI-SCSI Interrupt
Low PCI-Graphics Interrupt
PMC Interrupt
High COM2 (Async Serial Port 2)
High COM1 (Async Serial Port 1)
High LM/SIG Interrupt 0/1
High Floppy Interrupt
High Parallel Port Interrupt
1
2
3,4
3,5,6
3,5,6
6
3,5,6
3,5,6
3,5,6
6