MSI MS-7071 Manuel d'instructions télécharger pdf (Page 15)

read the documentation for the expansion card to make any necessary hardware or software

settings for the expansion card, such as jumpers, switches or BIOS configuration.

CNR (Communication and Networking Riser) Slot (Optional)

The CNR slot allows you to insert the CNR expansion card. CNR is a

specially designed audio, or modem riser card for ATX family

motherboards. Its main processing is done through software and controlled by the motherboard’s

chipset.

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 INT A# ~ INT D# pins as follows:

Order 1 Order 2 Order 3 Order 4

PCI Slot 1

INT C# INT D# INT A# INT B#

PCI Slot 2

INT D# INT A# INT B# INT C#

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 95 96

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MSI MS-7071 Manuel d'instructions Page 15