Slots; Pci Interrupt Request Routing - MSI MS-7522 User Manual

MS-7522 Mainboard

Slots

PCIE (Peripheral Component Interconnect Express) Slot
The PCIE slot supports the PCIE interface expansion card.
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.
Important
When adding or removing expansion cards, make sure that you unplug the power sup-
ply 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 Slot1
PCI Slot2
En-24
PCIE x1 Slot
Order1 Order2
INT E# INT F#
INT F# INT G#
PCIE x16 Slot
32-bit PCI Slot
Order3 Order4
INT G# INT H#
INT H# INT E#