The pcidump utility displays the device address, vendor, and product name of PCI devices. When no arguments are given, information on all PCI devices in the system is shown; otherwise a single PCI domain or device may be specified. The options are as follows:
The pcidump utility first appeared in OpenBSD 4.3.
The pcidump utility was written by David Gwynne <email@example.com>.
The default behaviour of scanning all PCI domains is limited to those domains that have an entry in /dev.