MSI Master LS2 User Guide - Page 44
Interrupt Request Routing
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Hardware Setup 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. DEVICE AGP PCI Slot 1 PCI Slot 2 (Mini PCI) P64H2 LSI53C1030 PCI-X Slot 3 (SCSI RAID) PCI-X Slot 4 GIGABIT LAN PCI-X Slot 1 PCI-X Slot 2 MS-9513 (VGA Card) MS-9514 (1394 Card) INT A# PIRQA_L PIRQF_L PIRQG_L PIRQC_L PAIRQ8 PAIRQ0 PAIRQ4 PBIRQ0 PBIRQ4 PBIRQ8 PIRQG_L PIRQG_L INT B# PIRQB_L PIRQG_L N/A N/A PAIRQ9 PAIRQ1 PAIRQ5 N/A PBIRQ5 PBIRQ9 N/A N/A INT C# N/A PIRQH_L N/A N/A N/A N/A PAIRQ6 N/A PBIRQ6 PBIRQ10 N/A N/A INT D# N/A PIRQE_L N/A N/A N/A N/A PAIRQ7 N/A PBIRQ7 PBIRQ11 N/A N/A 2-29
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2-29
Hardware Setup
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.
DEVICE
INT A#
INT B#
INT C#
INT D#
AGP
PIRQA_L
PIRQB_L
N/A
N/A
PCI Slot 1
PIRQF_L
PIRQG_L
PIRQH_L
PIRQE_L
PCI Slot 2 (Mini PCI)
PIRQG_L
N/A
N/A
N/A
P64H2
PIRQC_L
N/A
N/A
N/A
LSI53C1030
PAIRQ8
PAIRQ9
N/A
N/A
PCI-X Slot 3 (SCSI RAID)
PAIRQ0
PAIRQ1
N/A
N/A
PCI-X Slot 4
PAIRQ4
PAIRQ5
PAIRQ6
PAIRQ7
GIGABIT LAN
PBIRQ0
N/A
N/A
N/A
PCI-X Slot 1
PBIRQ4
PBIRQ5
PBIRQ6
PBIRQ7
PCI-X Slot 2
PBIRQ8
PBIRQ9
PBIRQ10
PBIRQ11
MS-9513 (VGA Card)
PIRQG_L
N/A
N/A
N/A
MS-9514 (1394 Card)
PIRQG_L
N/A
N/A
N/A