Slots

PCIE (Peripheral Component Interconnect Express) Slot

The PCIE slot supports the PCIE interface expansion card.

PCIE x16 Slot

PCIE x1 Slot

MS-7636

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 specifications.

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:

 

Order1

Order2

Order3

Order4

PCI Slot1

INT A#

INT B#

INT C#

INT D#

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.

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MSI H55M-E21 manual Slots, Pcie Peripheral Component Interconnect Express Slot, PCI Peripheral Component Interconnect Slot