MSI K9AG NEO2-DIGITAL User Guide - Page 34

Slots, PCI Peripheral Component Interconnect Express Slot, PCI Interrupt Request Routing

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Page 34 highlights

Hardware Setup Slots PCI (Peripheral Component Interconnect) Express Slot The PCI Express slot supports the PCI Express interface expansion card. The PCI Express x 16 slot supports up to 4.0 GB/s transfer rate. The PCI Express x 1 slot supports up to 250 MB/s transfer rate. PCI Express x1 Slot PCI Express x16 Slot PCI (Peripheral Component Interconnect) Slot The PCI slot supports LAN card, SCSI card, USB card, and other add-on cards that comply with PCI specifications. 32-bit PCI Slot Important When adding or removing expansion cards, make sure that you un plug the power supply first. Meanwhile, read the documentation for the expansion card to configure any necessary hardware or software settings for the expansion card, such as jumpers, switches or BIOS 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: PCI Slot 1 PCI Slot 2 PCI Slot 3 Order 1 INT A# INT B# INT C# Order 2 INT B# INT C# INT D# Order 3 INT C# INT D# INT A# Order 4 INT D# INT A# INT B# 2-19

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Hardware Setup
Slots
PCI Express x16 Slot
PCI Express x1 Slot
PCI (Peripheral Component Interconnect) Express Slot
The PCI Express slot supports the PCI Express interface expansion card.
The PCI Express x 16 slot supports up to 4.0 GB/s transfer rate.
The PCI Express x 1 slot supports up to 250 MB/s transfer rate.
PCI (Peripheral Component Interconnect) Slot
The PCI slot supports LAN card, SCSI card, USB card, and other add-on cards that
comply with PCI specifications.
32-bit PCI Slot
Important
When adding or removing expansion cards, make sure that you un
plug the power supply first. Meanwhile, read the documentation for the
expansion card to configure any necessary hardware or software settings
for the expansion card, such as jumpers, switches or BIOS 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:
Order 1
Order 2
Order 3
Order 4
PCI Slot 1
INT A#
INT B#
INT C#
INT D#
PCI Slot 2
INT B#
INT C#
INT D#
INT A#
PCI Slot 3
INT C#
INT D#
INT A#
INT B#