4 pci configuration, Plug and play, Configuration – ADLINK LPCIe-3488A User Manual

Page 23: Troubleshooting, Pci configuration, Plug and play configuration troubleshooting

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Installation

13

LPCIe/LPCI/USB-3488A

2.4 PCI Configuration

Plug and Play

As a plug-and-play component, the card requests an interrupt
number via its PCI controller. The system BIOS responds with an
interrupt assignment based on the card information and on known
system parameters. These system parameters are determined by
the installed drivers and the hardware is acknowledged by the sys-
tem.

Configuration

Board configuration is accomplished on a board-by-board basis
for all PCI boards in the chassis. Because configuration is con-
trolled by the system and software, there is no jumper setting
required for base-address, DMA, and interrupt IRQ.

The configuration is subject to change with every boot of the sys-
tem as new boards are added or removed.

Troubleshooting

If the system doesn’t boot or you experience erratic operation with
the PCI board in place, it’s likely caused by an interrupt conflict
(perhaps the BIOS settings are incorrectly configured). In general,
the solution, once you determine it is not a simple oversight, is to
consult the BIOS documentation that comes with your system.

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