Expansion Cards; External Connectors - JETWAY 920BFR3A User Manual

2-8 Expansion Cards

You must read the documentation come with expansion card for any hardware or software
settings that may be required to setup your specific card.
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 moset 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 IRQ, otherwise your
computer may experience some problem when those two devices are in use at the same time.
Assigning DMA Channels for ISA Cards
Some devices may also need a DMA (Direct Memory Access) channel. Its assignments for
this motherboard are handled same way as the IRQ assignment process described above.
The DMA channel is selectable in the PCI and PNP configuration section under BIOS Setup
utility.

2-9 External Connectors

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