Pci Configuration - MSI Fuzzy 945GME1 Series Hardware User Manual

PCI Configuration

PCI Interrupt Request Routing
The IRQ, acronym of interrupt request line and pronounced I-R-Q, are hardware lines
over which devices can send interrupt signals to the microprocessor. The PCI IRQ
pins are typically connected to the PCI bus pins as follows:
DEVICE
PCI Slot
Mini PCI Slot
LAN1
LAN2
MCP1 INT Pin IDSEL
PIRQA AD17
PIRQB AD18
PIRQC AD21
PIRQD AD22
System Resources
CLOCK REQ# / GNT#
PCICLK 0 REQ#0 / GNT#0
PCICLK 1 REQ#1 / GNT#1
CLKLAN 1 REQ#2 / GNT#2
CLKLAN 2 REQ#3 / GNT#3
4-11