Interrupt Routing; Interrupt Routing For Private Device Configuration - Intel IQ80219 Board Manual

Intel® IQ80219 General Purpose PCI Processor Evaluation Platform
External RAID Section
4.2

Interrupt Routing

The interrupt lines for devices on the SPCI-X bus (Expansion Slot and Intel
Controllerr) are routed based on requirements.
Table 87. Interrupt Routing for Secondary PCI-X Private Device
Number
4.2.1
4.2.2
4.2.3
Figure 18.

Interrupt Routing for Private Device Configuration

Intel
PCI Processor
70
The INTA# and INTB# of PCI-X Expansion Slot are routed to XINT0# and XINT1# External
Interrupt inputs on the 80219.
The INTA# of Intel 82544 Controller is routed to XINT2# External Interrupt input on the
80219.
The interrupt routing scheme is based on
®
80219 General Purpose
MUX
MUX
Description
Figure 18.
XINT0#
MUX
XINT2#
XINT3#
®
82544 Gigabit Ethernet
®
Intel 82544
Gigabit Ethernet
SPCI-X Slot
PPCI-X Bus
B2838-01
Board Manual