MSI 612BF Manuale - Pagina 10

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Installation Procedure:

1. Read the documentation from your expansion card.

2. Set any necessary jumpers on your expansion card.

3. Remove your computer's cover.

4. Remove the bracket on the slot you intend to use.

5. Carefully align the card's connectors and press firmly.

6. Secure the card on the slot with the screw you remove in step 4.

7. Replace the computer's cover.

8. Setup the BIOS if necessary.

9. Install the necessary software drivers for your expansion card.

Assigning IRQs for Expansion Cards

Some expansion cards may require an IRQ to operate. Generally an IRQ must be exclusively

assigned to only one device. In an standard design there are 16 IRQs available but most of

them are occupied by the system and leaves 6 free for expansion cards.

With most recent device, the BIOS automatically assign an IRQ number to PCI expansion

cards. Please make sure there are no any of two devices use same IRQs, otherwise your

computer may experience some problems when those two devices are in use at the same time.

Assigning DMA Channels for Expansion Cards

Some devices may also need to use a DMA (Direct Memory Access) channel.

assignments for this motherboard are handled the same way as the IRQ assignment process

described above. You can select a DMA channel in the PCI and PNP configuration section of

the BIOS Setup utility.

2-9 External Connectors

Power Connector: ATX Power Connector (12-pin block): P1

This connector connects to a standard AT power supply. To connect the leads from the

power supply, ensure first that the power supply is not plugged. Most power supplies

DMA