Hardware Setup

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 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.

PCI Interrupt Request Routing

IRQ, or interrupt request line, 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 A#

INT B#

INT C#

INT D#

PCI Slot2

INT B#

INT C#

INT D#

INT A#

PCI Slot3

INT C#

INT D#

INT A#

INT B#

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