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MSI AM-690E User Manual

Page 32

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2-14

MS-9826 Mainboard

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.

Slot

Important

W hen adding or removing expansion cards, make sure that you unplug 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.

32-bit PCI Slot

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

IDSEL INT A INTB INTC INTD

REQ# / GNT#

32-bit PCI Slot

AD18 E F G H

REQ#0 / GNT#0

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