User`s manual

2-24

Hardware Setup

MS-7582

Chapter 2

Hardware Setup

MS-7582

Chapter 2

PCI (Peripheral Component Interconnect) Slot

The PCI slot supports LAN card, SCSI card, USB card, and other add-on cards that

comply with PCI specications.

32-bit PCI Slot

Important

When adding or removing expansion cards, make sure that you unplug the power sup-

ply rst. Meanwhile, read the documentation for the expansion card to congure any

necessary hardware or software settings for the expansion card, such as jumpers,

switches or BIOS conguration.

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:

Order1 Order2 Order3 Order4

PCI Slot1 INT B#

INT C# INT D# INT A#

PCI Slot2 INT A# INT B# INT C# INT D#