MSI PM-104 Series, User Manual, Page: 30 / 82

MS-92B9 Server
2-14
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 ICH INT Pin IDSEL REQ / GNT
PCI Slot 1 INT# A/B/C/D AD20 REQ#0/ GNT#0
PCI Slot 2 INT# B/C/D/A AD21 REQ#1/ GNT#1
ITE IT8213F INT# C AD22 REQ#2/ GNT#2
LAN 82551QM INT# D AD23 REQ#3/ GNT#3
92B9v1.0-2.p65 2008/9/8, 上午 10:02 14
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