MSI K9N4 User Guide - Page 15

PCI Peripheral Component Interconnect Slots, PCI Interrupt Request Routing

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other sophisticated applications. Moreover, PCI Express architecture provides a high performance graphics infrastructure for Desktop Platforms doubling the capability of existing AGP 8x designs with transfer rates of 4.0 GB/s over a PCI Express x16 lane for graphics controllers. You can insert the expansion cards to meet your needs. When adding or removing expansion cards, make sure that you unplug the power supply first. PCI (Peripheral Component Interconnect) Slots The PCI slots allow you to insert the expansion cards to meet your needs. When adding or removing expansion cards, make sure that you unplug the power supply first. Meanwhile, read the documentation for the expansion card to make any necessary hardware or software settings for the expansion card, such as jumpers, switches or BIOS configuration. PCI Interrupt Request Routing The IRQ, abbreviation 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 INT A# ~ INT D# pins as follows: Order1 Order2 Order3 Order4 PCI Slot 1 INT B# INT C# INT D# INT A# PCI Slot 2 INT C# INT D# INT A# INT B# PCI Slot 3 INT D# INT A# INT B# INT C# 9

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9
en adding or removing expansion
other sophisticated applications. Moreover, PCI Express architecture provides a high
performance graphics infrastructure for Desktop Platforms doubling the capability of existing
AGP 8x designs with transfer rates of 4.0 GB/s over a PCI Express x16 lane for graphics
controllers.
You can insert the expansion cards to meet your needs. Wh
cards, make sure that you unplug the power supply first.
PCI (Peripheral Component Interconnect) Slots
power supply first. Meanwhile, read the
gs for
The PCI slots allow you to insert the expansion cards
to meet your needs. When adding or removing
expansion cards, make sure that you unplug the
documentation for the expansion card to make any necessary hardware or software settin
the expansion card, such as jumpers, switches or BIOS configuration.
PCI Interrupt Request Routing
line and pronounced I-R-Q, are hardware lines over
The IRQ, abbreviation of interrupt request
which devices can send interrupt signals to the microprocessor. The PCI IRQ pins are typically
connected to the PCI bus INT A# ~ INT D# pins as follows:
Order1
Order2
Order3
Order4
PCI Slot 1
INT B#
INT C#
INT D#
INT A#
PCI Slot 2
INT C#
INT D#
INT A#
INT B#
PCI Slot 3
INT D#
INT A#
INT B#
INT C#